Which of the following options to deliver signals in multithreaded program should be applied to an asynchronous signal that terminates a process (, for example)?
Select one:
a. assign a specific thread to receive all signals for the process
b. deliver the signal to certain threads in the process
c. deliver the signal to the thread to which the signal applies
d. deliver the signal to every thread in the process
e. all of the other answers
Answers
To deliver signals in multi-threaded program should be applied to an asynchronous signal that terminates a processes to deliver the signal to the thread to which the signal applies. Option C is correct.
An asynchronous signal is a signal that can interrupt the flow of an executing program at any point in time. When a process is running and executing, it receives a signal as a result of an external event or user interaction.
The signal is classified as either synchronous or asynchronous. An asynchronous signal does not require the process to be in a specific execution state. It might be delivered to a process at any moment in its execution.
The purpose of an asynchronous signal is to provide the process with additional information about the event or user interaction that generated it.
As a result, the process must install a handler to respond to the signal. When an asynchronous signal is delivered to a process, it causes the system to interrupt the currently running process and execute the handler.
When an asynchronous signal terminates a process, the signal should be delivered only to the thread to which it applies. This ensures that the appropriate thread is interrupted and can handle the signal accordingly. Delivering the signal to other threads in the process could cause unexpected behavior and may result in the process not terminating correctly. Therefore, option (c) is the correct choice.
To learn more asynchronous signal:
https://brainly.com/question/31308812
#SPJ11
Related Questions
1). An electronic PID temperature controller is at steady state with an output of 10 mA. The set point equals the initial steady-state process temperature. At t = 0, the error signal is increased at the rate of 0. 4 mA/min, which is equivalent to a rate of 2°F/min. If the current settings are Kc = 3 (dimensionless), τI = 1. 5 min, τD = 0. 5 min, then (a) Derive an expression for the controller output p(t) (b) Repeat (a) for τD = 0 (a PI controller only) (c) Plot the two controller outputs and qualitatively discuss their differences. (d) What is the transmitter calibration of mA/°F? (e) Say after 1 min, the error signal went back to zero. What would p(t) be in that case?
Answers
With an output of 10 mA, an electronic PID temperature controller is in steady state. The initial steady-state process temperature is the same as the set point. The error signal increases at a rate of 0. 4 mA/min, or 2°F/min, starting at time t = 0. What is the transmitter calibration in mA/°F if the settings are Kc = 3 , I = 1. 5 min, and D = 0. 5 min?
Comparing the measurement results supplied by a device under test with those of a known-accurate calibration standard is the process of calibration in measurement technology and metrology. Such a standard could be an apparatus that produces the quantity to be measured, such as a voltage generator, sound generator, or physical artefact like a metre ruler. Each of these choices has a known level of accuracy. The comparison could show that the device under test has no significant errors, has significant errors but no modifications have been made, has adjustments to reduce the errors to acceptable levels, or has none of these results. The term "calibration" strictly speaking only relates to the comparison itself and does not include any further modifications.
Learn more about calibration from
brainly.com/question/787793
#SPJ4
separation, collection, processing, marketing and reuse of unwanted material is called
Answers
The separation, collection, processing, marketing, and reuse of unwanted material is called waste management.
Waste management is a crucial practice that helps to reduce pollution, conserve resources, and protect the environment by properly disposing of and reusing waste materials.
The process of managing unwanted waste items that have served their purpose but are no longer useful is defined as Waste Management. Collection of solid waste materials, processing them, and disposing of them are all part of the solid waste management process.
Wastes include dead and decaying plant and animal remains, metabolic by-products (faecal remains, excreta, etc.), discarded materials from homes, workplaces, businesses, restaurants, factories, hospitals, pesticides, herbicides sprayed on fields, and many more.
Learn more about waste management: https://brainly.com/question/3406415
#SPJ11
The separation, collection, processing, marketing, and reuse of unwanted material is called "waste management" or "recycling." This process helps reduce waste and conserve resources by giving new life to discarded materials.
The term that describes the separation, collection, processing, marketing, and reuse of unwanted material is called "content loaded separation". This process involves sorting through various materials and separating them based on their composition, such as paper, plastic, metal, and organic waste. Once the materials are separated, they can be processed and marketed to companies that specialize in recycling or repurposing them. The ultimate goal of content loaded separation is to reduce waste and promote a more sustainable approach to material use and disposal.Waste management or waste disposal includes the processes and actions required to manage waste from its inception to its final disposal.[1] This includes the collection, transport, treatment and disposal of waste, together with monitoring and regulation of the waste management process and waste-related laws, technologies, economic mechanisms.
learn more about "waste management" here:
https://brainly.com/question/30051726
#SPJ11
Meredith implements a "graph coloring" algorithm, which comes up with colors for graph vertices such that no neighboring vertices share the same color.
The algorithm outputs graph colorings like this one:
Using a palette of just 3 colors, she runs the algorithm on graphs with varying amounts of vertices and records how long it takes.
Her findings are summarized in this table:
Graph vertices Steps
4 81
6 729
8 6561
Based on the table, which of the following statements describe the run time for this algorithm?
????️Note that there are 2 answers to this question.
Answers
The process of giving different colors to each vertex of a graph G so that no two neighboring vertices receive the same color is known as graph coloring.
What is Graph coloring algorithm?When coloring a graph, the goal is to use as few colors as possible. The chromatic number of a graph G is the lowest set of colors needed to color that graph. A NP Complete problem is the graph coloring issue.
A unique characteristic of a graph coloring is that two neighboring vertices, or those with an edge connecting them, cannot have the same color.
The difficulty stems from the fact that two countries (or states) must have distinct colors when they are close to one another when coloring a map. The United States is depicted on the following four-color map.
Therefore, The process of giving different colors to each vertex of a graph G so that no two neighboring vertices receive the same color is known as graph coloring.
To learn more about Algorithm, refer to the link:
https://brainly.com/question/22984934
#SPJ1
Consider a digital communication system that transmits information via QAM over a voice-band telephone channel at a rate 2400 symbols/second. The additive noise is assumed to be white and Gaussian. 1. Determine the Ey/N, required to achieve an error probability of 10 at 4800 bps. 2. Repeat (1) for a bit rate of 9600 bps. 3. Repeat (1) for a bit rate of 19,200 bps. 4. What conclusions do you reach from these results?
Answers
The bit rate and the required error probability in determining the appropriate Ey/N for a digital communication system. It also emphasizes the need to account for channel conditions, such as noise characteristics, when designing and optimizing communication systems for reliable data transmission.
Ey/N required to achieve an error probability of 10 at 4800 bps:
The Ey/N required to achieve a specific error probability can be determined using the concept of the bit error rate (BER). The BER is given by the equation:
BER = (1/2) * erfc(sqrt(Ey/N))
where erfc is the complementary error function. Rearranging this equation, we can solve for Ey/N:
Ey/N = (erfc^(-1)(2 * BER))^2
To achieve an error probability of 10 at a bit rate of 4800 bps, we substitute the given BER value (10^-2) into the equation:
Ey/N = (erfc^(-1)(2 * 10^-2))^2
This calculates the Ey/N required to achieve the desired error probability.
In a digital communication system, QAM modulation is used to transmit information. The voice-band telephone channel has a rate of 2400 symbols/second. The additive noise is assumed to be white and Gaussian.
Detailed Explanation:
To calculate the required Ey/N for achieving a specific error probability, we need to understand the relationship between Ey/N and the BER. In a communication system, Ey represents the average energy per symbol, and N is the noise power spectral density.
The BER equation mentioned above relates the BER to Ey/N. By rearranging the equation, we can solve for Ey/N using the inverse complementary error function (erfc^(-1)).
In this scenario, the error probability is given as 10, which corresponds to a BER of 10^-2. By substituting this value into the equation, we can calculate Ey/N. The erfc^(-1) function provides the inverse of the complementary error function, allowing us to determine the required Ey/N to achieve the desired error probability.
Repeat this process for each given bit rate (4800 bps, 9600 bps, and 19,200 bps) to calculate the respective Ey/N values required for achieving an error probability of 10. By analyzing these results, we can draw conclusions regarding the Ey/N requirements for different bit rates.
Analyzing the obtained Ey/N values for different bit rates, we can observe trends and draw conclusions. It is likely that higher bit rates will require higher Ey/N values to achieve the same error probability. Additionally, as the bit rate increases, the system becomes more susceptible to errors caused by noise, necessitating higher energy levels or lower noise levels.
These conclusions highlight the importance of considering the bit rate and the required error probability in determining the appropriate Ey/N for a digital communication system. It also emphasizes the need to account for channel conditions, such as noise characteristics, when designing and optimizing communication systems for reliable data transmission.
Learn more about probability here
https://brainly.com/question/13604758
#SPJ11
Weight, density, electrical conductivity, and coefficient of thermal expansion are examples of _______ properties.
Answers
Answer:
"Physical" would be the right approach.
Explanation:
Those properties would be that can be established without even any alteration throughout the identification of that same object. Property (whenever color, compressive strength, vapor pressure) of substance which does not require a biochemical alteration including its representation.So the answer here is just the perfect one.
Ball A of mass mA and ball B of mass mB are connected with a string of length l. Initially, the string is loose and the distance between the two balls is b. At time t0, ball B is given a velocity of v0 perpendicular to the line connecting A and B. At time t1, the distance between A and B becomes l and the string becomes taut. We want to find the velocities of each ball right after the string becomes taut.
(a) Choose an inertial frame and a set of coordinates to describe the motion of the balls. Write the position, velocity, and acceleration (kinematics) of both
the balls.
(b) Is the linear momentum of the two-ball system conserved? Why?
(c) Is the angular momentum of ball B conserved right before and right
after the string becomes taut around any point or points? Explain (one to two sentences).
(d) What are the linear momenta of A, B and the two-ball system right
before and right after the string becomes taut?
(e) Find the position and velocity of the center of mass of the system right
before and right after the string becomes taut?
(f) What is the linear impulse applied by the string on A as the string becomes taut?
Answers
In this case, if there are no external forces (such as friction or external impulses), the linear momentum of the system will be conserved.
(a) Inertial Frame and Coordinates:
Let's choose an inertial frame of reference where ball A is at the origin (0,0) and ball B initially has a position of (b,0).
We can choose the x-axis along the line connecting A and B, and the y-axis perpendicular to it. The positive x-direction is from A to B, and the positive y-direction is upward.
The position, velocity, and acceleration of each ball can be described as follows:
Ball A:
Position: rA(t) = (0, 0) [remains fixed at the origin]
Velocity: vA(t) = (0, 0) [no initial velocity or acceleration]
Acceleration: aA(t) = (0, 0) [no initial velocity or acceleration]
Ball B:
Position: rB(t) = (b, 0) [initial position at (b, 0)]
Velocity: vB(t) = (v0, 0) [given initial velocity in the positive x-direction]
Acceleration: aB(t) = (0, 0) [no initial acceleration]
(b) Conservation of Linear Momentum:
The linear momentum of the two-ball system is conserved if there are no external forces acting on the system.
(c) Conservation of Angular Momentum:
Right before and right after the string becomes taut, the angular momentum of ball B is conserved around any point because no external torques act on the system. The string only provides tension forces along the line connecting A and B, causing no torque.
(d) Linear Momenta:
Right before the string becomes taut:
Linear momentum of ball A: pA = mAvA = (0, 0) [zero initial velocity]
Linear momentum of ball B: pB = mBvB = (mBv0, 0) [initial velocity in the positive x-direction]
Linear momentum of the two-ball system: pSystem = pA + pB = (mBv0, 0)
Right after the string becomes taut:
Linear momentum of ball A: p'A = mAvA = (0, 0) [zero velocity]
Linear momentum of ball B: p'B = mBv'B [velocity to be determined]
Linear momentum of the two-ball system: p'System = p'A + p'B = (0, 0) + (mBv'B, 0) = (mBv'B, 0)
(e) Center of Mass:
Right before the string becomes taut:
Position of the center of mass: rCM = (mArA + mBrB) / (mA + mB) = (mBb, 0) / (mA + mB)
Right after the string becomes taut:
Position of the center of mass: r'CM = (mAr'A + mBr'B) / (mA + mB) = (0, 0) [both balls are at the origin]
Velocity of the center of mass remains zero throughout since the balls have zero net momentum.
(f) Linear Impulse:
The linear impulse applied by the string on ball A as the string becomes taut is equal to the change in momentum of ball A.
Thus, since ball A has zero initial velocity and final velocity, the linear impulse is zero.
For more details regarding momentum, visit:
https://brainly.com/question/30677308
#SPJ1
1. Katherine Johnson worked at NASA in the 1950s as a mathematician with the job title of computer. She provided calculations for engineers on the Mercury and Apollo space missions. Her work: take a problem, such as finding the trajectory for a space capsule's flight path, do the math in steps and record each one, find the solution, and pass the calculations to the engineers to evaluate and use. How does Ms. Johnson's work compare to computing today?
A. It likely was more accurate due to risks of malware.
B. It is close to today’s systems but lacked the input step.
C. It likely was less accurate than computer results.
D. It followed the same process as today’s computing.
Also, I answered C the first time and didn't get it right so it's definitely not that.
Answers
A mass attached to the end of a spring is stretched a distance x0 from equilibrium and released.
a. At what distance from equilibrium will it have velocity equal to half its maximum velocity?
b. At what distance from equilibrium will it have acceleration equal to half its maximum acceleration? Answer in terms of x0
.
Answers
a. The mass will have a velocity equal to half its maximum velocity at a distance of 0.707x0 from equilibrium.
b. The mass will have an acceleration equal to half its maximum acceleration at a distance of 0.5x0 from equilibrium.
The motion of a mass attached to a spring is described by the equation:
x = A cos(ωt + φ)
where x is the displacement from equilibrium, A is the amplitude of the motion, ω is the angular frequency (ω = sqrt(k/m) where k is the spring constant and m is the mass), t is time, and φ is the phase angle.
The maximum velocity and acceleration occur at the equilibrium position (x=0) and are given by:
v_max = Aω
a_max = Aω^2
To find the distance from equilibrium where the velocity is half its maximum value, we can solve for the displacement x when v = v_max/2:
v = -Aω sin(ωt + φ) = v_max/2
sin(ωt + φ) = -1/2
ωt + φ = -π/6 or 7π/6
Substituting ω = sqrt(k/m) and t = T/4 (where T is the period of the motion) gives:
sqrt(k/m)T/4 + φ = -π/6 or 7π/6
Solving for A cos(φ) (which is the displacement from equilibrium) gives:
A cos(φ) = ±(sqrt(3)/2)A
Therefore, the distance from equilibrium where the velocity is half its maximum value is 0.707x0.
To find the distance from equilibrium where the acceleration is half its maximum value, we can solve for the displacement x when a = a_max/2:
a = -Aω^2 cos(ωt + φ) = a_max/2
cos(ωt + φ) = -1/2
ωt + φ = ±2π/3
Substituting ω = sqrt(k/m) and t = T/3 gives:
sqrt(k/m)T/3 + φ = ±2π/3
Solving for A cos(φ) gives:
A cos(φ) = ±0.5x0
Therefore, the distance from equilibrium where the acceleration is half its maximum value is 0.5x0.
To learn more about equilibrium, click here: brainly.com/question/29950203
#SPJ11
Q: Draw shear and bending moment diagram for the beam shown in
the figure. EI= constant
Answers
Answer:
Explanation:
Please
Draw an ERD for each of the following situations. (If you believe that you need to make additional assumptions, clearly state them for each situation.) Draw the same situation using the tool you have been told to use in the course. a. A company has a number of employees. The attributes of EMPLOYEE include Employee ID (identifier), Name, Address, and Birthdate. The company also has several projects. Attributes of PROJECT include Project ID (identifier), Project Name, and Start Date. Each employee may be assigned to one or more projects or may not be assigned to a project. A project must have at least one employee assigned and may have any number of employees assigned. An employee's billing rate may vary by project, and the company wishes to record the applicable billing rate (Billing Rate) for each employee when assigned to a particular project. Do the attribute names in this description follow the guidelines for naming attributes? If not, suggest better names. Do you have any associative entities on your ERD? If so, what are the identifiers for those associative entities? Does your ERD allow a project to be created before it has any employees assigned to it? Explain. How would you change your ERD if the Billing Rate could change in the middle of a project? b. A laboratory has several chemists who work on one or more projects. Chemists also may use certain kinds of equipment on each project. Attributes of CHEMIST include Employee ID (identifier), Name, and Phone No. Attributes of PROJECT include Project ID (identifier) and Start Date. Attributes of EQUIPMENT include Serial No and Cost The organization wishes to record Assign Date—that is, the date when a given equipment item was assigned to a particular chemist working on a specified project A chemist must be assigned to at least one project and one equipment item. A given equipment item need not be assigned, and a given project need not be assigned either a chemist or an equipment item. Provide good definitions for all of the relationships in this situation. c. A college course may have one or more scheduled sections or may not have a scheduled section. Attributes of COURSE include Course ID, Course Name, and Units. Attributes of SECTION include Section Number and Semester ID. Semester ID is composed of two parts: Semester and Year. Section Number is an integer (such as 1 or 2) that distinguishes one section from another for the same course but does not uniquely identify a section. How did you model SECTION? Why did you choose this way versus alternative ways to model SECTION? d. A hospital has a large number of registered physicians. Attributes of PHYSICIAN include Physician ID (the identifier) and Specialty. Patients are admitted to the hospital by physicians. Attributes of PATIENT include Patient ID (the identifier) and Patient Name. Any patient who is admitted must have exactly one admitting physician. A physician may optionally admit any number of patients. Once admitted, a given patient must be treated by at least one physician. A particular physician may treat any number of patients, or may not treat any patient& Whenever a patient is treated by a physician, the hospital wishes to record the details of the treatment (Treatment Detail). Components of Treatment Detail include Date, Time, and Results. Did you draw more than one relationship between physician and patient? Why or why not? Did you include hncnithi ac an antitv type? Why or why not?
Answers
Answer:
it wqas red
Explanation:
red
En las zonas rurales el agua se extrae del subsuelo por medio de bombas, considere una fuente de agua subterránea cuya superficie está 60 m debajo del nivel del suelo. El agua se va elevar 5 m encima del nivel del suelo mediante una bomba y se tiene los siguientes datos:
Entrada Salida
Velocidad (m/s) 0. 637 0. 283
Entalpía (kJ/kg) 102. 5 152. 6
Flujo de masa (kg/s) 5 5
Gravedad es 9. 8 m/s2
Si el calor es despreciable. ¿Cuál es la potencia de la bomba (kJ/s)?
Answers
The necessary power of the pump for a steady flow of water at the rate of 15 Liters/second in kW is a) 9.54
How to calculate the powerFrom the information, in rural areas the water is extracted from the subsoil by means of pumps, consider an underground water source whose surface is 60 m below ground level. The water will be raised 5 m above the ground level by means of a pump.
The necessary power of the pump for a steady flow of water at the rate of 15 Liters/second in kW is:
= 636188 26 × 0.015
= 9.54kw
In conclusion, the power of the pump for a steady flow of water is 9.54kw.
Learn more about power on
https://brainly.com/question/1634438
#SPJ4
A certain practical dc voltage source can provide a current of 5 A when it is (momentarily) short- circuited, and can provide of 35 W to a 20 Ω
load. Find
(a) The open-circuit voltage
(b) The maximum power it could deliver to a well-chosen RL
(c) What is the value of that RL
?
Answers
(a) The open-circuit voltage is 25 V.
(b) The maximum power it could deliver to a well-chosen RL is 28.75 W.
(c) The value of that RL is 7.5 Ω.
Calculation of Voltage, Power and Resistance(a) The open-circuit voltage is calculated using Ohm's Law:
V = I × R
V = 5 A × 0 Ω (since the source is momentarily short-circuited)
V = 25 V
(b) The maximum power it could deliver to a well-chosen RL is calculated using the equation:
P = V2/R
P = (25 V)2/R
P = 625/R
R = 625/P (where P is the power delivered to the load, i.e. 35 W)
R = 17.86 Ω
(c) The value of that RL is calculated using the equation:
R = V2/P
R = (25 V)2/35 W
R = 7.5 Ω
Learn more about electricity here
https://brainly.com/question/776932
#SPJ1
A carpentry hammer with a slightly rounded (or convex) face, used to drive the mail head flush without damaging the surface of the work, is called a ____
Answers
A carpentry hammer with a slightly rounded or convex face used to drive the nail head flush without damaging the surface of the work is called a "finishing hammer".
Finishing hammers are specifically designed for final carpentry work, where the appearance of the finished surface is important. The rounded face helps to prevent marring or denting the material while driving nails.
The handle of a finish hammer is typically made of wood or fiberglass, providing a comfortable grip and absorbing some of the shocks from the striking force. These hammers are commonly used in woodworking, cabinetry, and other fine carpentry applications.
Learn more about hammers, here:
https://brainly.com/question/29123236
#SPJ6
true/False
1.
Around 50 percent of all sales of farm commodities are from dairy
products.
Answers
Answer:true
Explanation:
It is true that around 50 percent of all sales of farm commodities are from dairy products.
What are dairy products?Dairy products or milk products, also known as lacticinia, are milk-based foods.
Cows, water buffalo, nanny goats, and ewes are the most common dairy animals. Dairy products include common grocery store foods such as yogurt, cheese, and butter in the Western world.
Milk, yogurt, cheese, lactose-free milk, and fortified soy milk and yogurt are all part of the Dairy Group. The Dairy Group excludes milk-based foods with low calcium and a high fat content. Cream cheese, sour cream, cream, and butter are all examples of this.
Dairy products account for roughly half of all farm commodity sales.
Thus, the given statement is true.
For more details regarding dairy products, visit:
https://brainly.com/question/1431669
#SPJ2
what are the safe methods of lifting heavy objects?
Answers
Using your legs to lift, keeping the object close to your body, and avoiding twisting your body while lifting.
The process of lifting objects can be dangerous. This is particularly true when it comes to heavier objects. It can result in severe back, shoulder, and even spinal cord injuries. Lifting injuries are common in the workplace, but they can occur anywhere.
There are a variety of ways to lift heavy objects that can help you avoid injury. Here are some safe methods for lifting heavy objects:
Use your legs: You should use your legs, not your back, to lift heavy objects. Squat down, rather than bend over. Maintain a straight back, then use your legs to lift the object up.Push or Pull: When pushing or pulling an object, you should use your entire body. Don't just rely on your arms. Be sure your feet are secure and use your legs to provide additional force.Straddle: If you can't avoid lifting a heavy object, you should consider straddling it. With your legs apart and knees bent, lower yourself and lift the object slowly. This will put less strain on your back and reduce the likelihood of injury.Consider the weight: It's important to assess the weight of the object before lifting it. If the weight exceeds your lifting ability, seek assistance. Never put yourself in danger by lifting something that is too heavy for you.In conclusion, lifting heavy objects is a task that necessitates caution and knowledge of safe lifting practices. When it comes to lifting heavy objects, the most important thing is to use your legs, push or pull with your entire body, consider straddling the object, and assess the weight before lifting it. Following these methods can help you avoid injuries and keep you safe.
To learn more about Lifting injuries, visit:
https://brainly.com/question/28318452
#SPJ11
Technician A uses three prong electrical cords when possible.
Technician B uses double insulated electrical tools. Which technician
is correct?
Select one:
A. Technician A only
B. Technician B only
C. Both technicians
D.Neither technician
Answers
Correct me if I’m wrong tnx
which gps information enables the obtainment of highly accurate fixes
Answers
Carrier-phase differential GPS (CDGPS) is the GPS information that enables the obtainment of highly accurate fixes.
CDGPS is a technique used to enhance the accuracy of GPS positioning. It involves measuring the carrier phase of the GPS signal, which is highly precise but ambiguous in terms of the number of whole wavelengths traveled. By comparing the carrier phase measurements from a stationary reference station with those from a receiver, the differences in carrier phase caused by atmospheric effects and other errors can be calculated. These differential corrections can then be applied to the GPS measurements of the receiver, resulting in highly accurate fixes. By utilizing carrier-phase differential GPS, users can achieve significantly improved accuracy compared to standard GPS positioning methods.
Learn more about GPS here:
https://brainly.com/question/15270290
#SPJ11
Commutation is the process of converting the ac voltages and currents in the rotor of a dc machine to dc voltages and currents at its terminals. True False
Answers
Answer:
false
Explanation:
the changing of a prisoner sentence or another penalty to another less severe
which terms describe eccentric? a. positive work b. negative work c. causes motion d. prevents motion e. controls motion
Answers
The terms that describe eccentric are: c. causes motion, and e. controls motion.
In the context of mechanics and engineering, an eccentric refers to a mechanical component that is off-center or not aligned with the main axis of rotation. It is commonly used in various devices and systems to produce or control motion. The two terms that accurately describe the characteristics of an eccentric are:
c. causes motion: An eccentric, due to its off-center design, creates an imbalance or uneven distribution of forces when it rotates or moves. This imbalance causes a motion or displacement in the system where the eccentric is utilized.
e. controls motion: Eccentrics are also used to control or regulate the motion in certain applications. By adjusting the position or orientation of the eccentric component, the motion or output of the system can be modified or controlled. This can include adjusting the speed, direction, or timing of the resulting motion.
It's important to note that the terms "positive work" and "negative work" refer to the direction of work performed by a force in relation to the displacement of an object, and they are not directly associated with the concept of eccentricity. Similarly, the term "prevents motion" does not describe the function of an eccentric, as it is specifically designed to produce or control motion rather than prevent it.
Learn more about eccentric here:
https://brainly.com/question/28921987
#SPJ11
The steel shaft has a diameter of 40 mm and is fixed at its ends A and B . If it is subjected to the couple determine the maximum shear stress in regions AC and CB of the shaft. G st = 75 GPa.
Q6/
Answers
Answer:
See explanation.
Explanation:
Since no figure was given I solved a problem that was similar to the one you described that I worked in my mechanics of materials class. The method should be very similar for your figure. See attached image for my work.
If it is subjected to the couple determine the maximum shear stress in regions AC and CB of the shaft. G st = 75 GPa. Than the answer will be 52Mpa.
What we need to perform?We need to perform a two step process to obtain the maximum shear stress on the shaft. For the solid shaft,
P=2×pi×N×T/60 or T=60×p/2×pi×N
Where P=power transmitted by the shaft=50×10³W
N=rotation speed of the shaft in rpm=730rpm
Pi=3.142
T is the twisting moment
By substituting the values for pi, N and P, we get
T=654Nm or 654×10³Nmm
Also, T=pi×rho×d³/16 or rho=16×T/pi×d³
Where rho=maximum shear stress
T = twisting moment=654×10³Nmm
d= diameter of shaft= 40mm
By substituting T, pi and d
Rho=52Mpa
b. For a hollow shaft, the value for rho is unknown
T=pi×rho(do⁴-di⁴/do)/16
Rho=T×16×do/pi×(do⁴-di⁴)
Where
T= twisting moment=654×10³Nmm gotten above
do=outside shaft diawter=40mm
di= inside shaft diameter =30mm
Pi=3.142
Substituting values for pi, do, di and T.
Rho=76Mpa
Therefore, If it is subjected to the couple determine the maximum shear stress in regions AC and CB of the shaft. G st = 75 GPa. Than the answer will be 52Mpa.
Learn more about shaft on:
https://brainly.com/question/30541080
#SPJ2
when were dresses made
Answers
Answer:
The world's oldest dress called the Tarkhan Dress is at 5,100 to 5,500 years of age.
Does that help? Or do you need something else? I can change my answer if this is not what you need! :D
Explanation:
How many grains are on the surface of the head of a pin? assume that the head of a pin is spherical with a 1-mm diameter and has an astm grain size of 10
Answers
Answer:
Given, diameter of pin head d = 1 mm = 1/25.4 = 0.0394 in Surface area of a pinhead, A = 4pr^2 =
Explanation:
eesh
When a licensed engineer or land surveyor testifies as an expert in an iowa court, the licensee's testimony cannot be challenged by the opposing attorney
Answers
In Iowa courts, the testimony of a licensed engineer or land surveyor, when presented as an expert witness, can be challenged by the opposing attorney.
The opposing attorney has the right to cross-examine the expert witness and challenge their testimony through questioning and presenting counterarguments or conflicting evidence. This is a fundamental aspect of the legal process that allows for the exploration of different perspectives and the evaluation of the credibility and accuracy of expert testimony. By challenging the testimony, the opposing attorney aims to test the expert's qualifications, methods, reasoning, and conclusions to present a comprehensive and well-rounded view to the court. It is through the adversarial process that the court can weigh the evidence and make an informed decision. Therefore, in Iowa courts, the testimony of a licensed engineer or land surveyor, like any other expert witness, can be subject to challenge by the opposing attorney.
Learn more about engineer here
https://brainly.com/question/28717367
#SPJ11
For an electrical system, short dashed lines indicate?
Answers
A solid line around a component indicates that the component is complete. A dashed line around the component indicates that the component is being shown is not complete.
3. Assertive communication means:
A. Confidently and directly communicating what you think and feel, without being aggressive
or passive
B.O Confidently saying what you think and feel, even If It means overshadowing someone
else's feelings
C.O Saying what you think and feel only If and when the other party gives you permission to
do so
D. None of the above
Answers
Answer:
A. Confidently and directly communicating what you think and feel, without being aggressive or passive.
Explanation:
Assertive communication is the ability to express both positive and negative ideas in a way that it is a honest and direct message. It doesn't mean to say things to the other person with the intent of causing harm or making them feel better, it's just saying things as they are.
(100 Points + Brainlest For Correct Answer With Correct Explanation)
What action should a pilot take when approaching this sign?
Answers
Answer:
he/she must have clearance from ATC to proceed and
hold position markings
Explanation:
1. Name three current problems in your life that could be solved through an algorithmic process. Explain why each of these problems is algorithmic in nature.
Answers
As a supervised learning algorithm for problem classification, the Decision Tree algorithm is one of the most widely utilized in machine learning today.
Which problems can be solved by algorithmic processes?Whether a problem is logical, mathematical, or complex in nature, algorithms can be created to solve it. As an illustration, consider sorting algorithms, depth-first search, and traveling salespeople. The algorithm, however, would arrive at a finite solution after a certain number of steps before coming to an end. Algorithms can be used to describe typical daily tasks. An algorithm for preparing a specific cuisine, for instance, might be thought of as a recipe.
Steps 1-3 outline the algorithm. The amounts of each component that are mentioned, together with the type of pan and desired topping, are our inputs. A series of procedures known as an algorithm are used to solve issues or carry out tasks. A typical illustration of an algorithm is a recipe, which is a set of detailed directions for making a dish or meal.
To learn more about algorithm refer to :
https://brainly.com/question/15217393
#SPJ1
When properly honed, the razor edge should be:
Answers
When properly honed, the razor edge should be extremely sharp and precise, allowing for a clean and smooth shaving experience.
Honing is a process of sharpening the blade by removing any imperfections and maintaining a consistent angle along the edge. This is typically achieved using a honing stone or a strop, depending on the type of razor being used. The goal is to create a razor edge that is as thin and fine as possible, enabling it to glide effortlessly through hair without causing irritation or discomfort. Regular honing is essential to keep the razor functioning at its best and ensuring a close and comfortable shave. A well-honed razor edge also ensures a longer lifespan for the blade and reduces the need for frequent replacements. Overall, the key to achieving a sharp, efficient, and durable razor edge is through proper honing techniques and consistent maintenance.
Learn more about razor edge here
https://brainly.com/question/19811000
#SPJ11
Write a program that reads a list of scores and then assigns grades based
on the following scheme:
The grade is A if score is best – 10.
The grade is B if score is best – 20.
The grade is C if score is best – 30.
The grade is D if score is best – 40.
python
Answers
The py thon program that reads a list of scores and then assigns grades based on the given scheme is; As written below
How to write a Program in Py-thon?The program steps when written in Py-thon is;
Enter scores: 40 55 70 58
Student 0 score is 40 and grade is C
Student 1 score is 55 and grade is B
Student 2 score is 70 and grade is A
"""
def get_grade(points):
score = 70 - points
grades = [(40, 'D'), (30, 'C'), (20, 'B'), (10, 'A')]
result = ''
for grade in grades:
if score <= grade[0]:
result = grade[1]
return result
def scorer(points):
results = []
for point in points:
results.append(get_grade(point))
return results
if __name__ == "__main__":
user_input = input('Enter scores: ')
points = [int(n) for n in user_input.split(' ')]
points = [ int(n) for n in user_input.split(' ')]
scores = scorer(points)
for n in range(len(points)):
m sg = 'Student {} score is {} and grade is {}'.format(
n, points[n], scores[n]
)
print(m sg)
Read more about Py-thon Program at; https://brainly.com/question/26497128
#SPJ1
For a given soil the following are known: Specific Gravity = 2.75 Moist Unit Weight = 19.6 kN/m3 Moisture Content = 14.3% Determine: a. Dry Unit Weight b. Void Ratio c. Porosity d. Degree of Saturation
Answers
The Dry Unit Weight of the soil is 17.5 kN/m3, the Void Ratio is 0.347, the Porosity is 0.384, and the Degree of Saturation is 86.7%.
B. The Dry Unit Weight of the soil can be calculated using the formula γd = γw(1-w), where γd is the dry unit weight, γw is the moist unit weight, and w is the moisture content.
In this case, γd = γw(1-w)
γd = 19.6(1-0.143) = 17.5 kN/m3.
The Void Ratio is then calculated using the formula e = (w / (1-w)), where e is the void ratio and w is the moisture content. Plugging in the values from above,
e = (w / (1-w))
e = 0.143/(1-0.143) = 0.347.
The Porosity is then calculated using the formula n = e/[1 + (G•e)], where n is the porosity, e is the void ratio, and G is the specific gravity. In this case,
n = e/[1 + (G•e)]
n = 0.347/[1 + (2.75•0.347)] = 0.384.
Finally, the Degree of Saturation can be calculated using the formula S = w/(1 + (G•e)), where S is the degree of saturation and the other variables are the same as above. Thus,
S = w/(1 + (G•e))
S = 0.143/(1 + (2.75•0.347)) = 0.867 or 86.7%.
For more questions like Dry Unit Weight click the link below:
https://brainly.com/question/26522559
#SPJ4