3. what material property is used to estimate deep drawing force?
Fracture toughness Yield strength Young's modulus Ultimate tensile strength
Answers
The material property used to estimate deep drawing force is yield strength.
Deep drawing is a metalworking technique in which a flat sheet of metal is drawn into a three-dimensional shape by using a mechanical press. A blank is formed by cutting a piece of sheet metal to the required size, and then it is placed over a die. The die has a concave shape that matches the desired shape of the final product.
The punch is then used to apply pressure to the metal, forcing it to conform to the shape of the die. Yield strength is the point at which a material stops behaving elastically and starts to experience permanent deformation.
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Related Questions
A horizontal piston/cylinder arrangement is placed in a constant-temperature bath. The piston sides in the cylinder with negligible friction and an external force holds it in place against an initial gas pressure of 14 bar. The initial gas volume is 0.03 m3. The external fore on the piston is reduced gradually and the gas expands isothermally as its volume triples. If the volume of the gas is related to its pressure so that the product PV is constant.
(a) What is the work by the gas in moving the external force?
(b) How much work would be done if the external force were suddenly reduced to half its initial value instead of being gradually
reduced?
Answers
Answer:
\(W=46141.72~J\)
Explanation:
Given:
initial pressure, \(P_1=14~bar=1.4\times10^6~Pa\)
initial volume, \(V_1=0.03~m^3\)
After isothermal expansion:
final volume, \(V_2=3V_1=0.09~m^3\)
a)
We have the work done in isothermal process as:
\(W=P_1.V_1\ln(\frac{V_2}{V_1} )\)
\(W=1.4\times10^6\times 0.03\ln(\frac{0.09}{0.03} )\)
\(W=46141.72~J\) is the work by the gas in moving the external force
b)
When the force on piston is suddenly reduced to half the initial value then the process becomes near to adiabatic.
\(P_1V_1^{\gamma}=P_2V_2^{\gamma}\)
\(14\times 0.03^{1.4}=P_2\times 0.09^{1.4}\)
\(P_2=3~bar\)
Now, using the formula for work done in adiabatic process:
\(W=\frac{P_1V_1-P_2V_2}{\gamma-1}\)
\(W=\frac{1.4\times10^6\times 0.03-3\times10^5\times 0.09}{1.4-1}\)
\(W=3750~J\)
When plotting a single AC cycle beginning at zero degrees and moving forward in time the cycles negative peak occurs at
A. 270°.
B. 180°
C. 360°
D. 90°
Answers
Answer:A 270 degrees
Explanation:
You have been working at a manufacturing site but have been
transitioned to a different part of the site with new responsbilities. When
should your employer train you on any chemical hazards in this new
responsibility?
Answers
Answer: The Hazard Communication Standard (HCS), 29 CFR 1910.1200 (h), requires all employers to provide information and training to their employees about the hazardous chemicals to which they may be exposed at the time of their initial assignment and whenever a new hazard is introduced into their work area.
Explanation: choose me as Brainliest
The required, if our new responsibilities involve working with hazardous chemicals, your employer should provide training on any chemical hazards before you begin working in that area
What are chemical hazards?Chemical hazards are any physical, chemical, or toxicological properties of a chemical that may cause harm to humans or the environment.
Here,
According to the Occupational Safety and Health Administration (OSHA) regulations, employers are required to provide hazard communication training to employees who may be exposed to hazardous chemicals as part of their job duties. The training must be provided at the time of initial assignment to a job involving exposure to hazardous chemicals, and whenever a new physical or health hazard is introduced to the workplace.
Therefore, if our new responsibilities involve working with hazardous chemicals, your employer should provide training on any chemical hazards before you begin working in that area. If any new hazardous chemicals are introduced into the workplace after your initial training, your employer should provide additional training on those specific hazards.
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1a) find a recurrence relation for the number of permu- tations of a set with n elements. b) use this recurrence relation to find the number of per- mutations of a set with n elements using iteration.
Answers
To find the recurrence relation for the number of permutations of a set with n elements, we can start by considering the base case of n=1. In this case, there is only one permutation of the set, which is the set itself.
Now, let's consider the case where n>1. We can choose one element from the set and fix it in place. There are n choices for which element to fix, and once we have done this, we are left with a set of n-1 elements that we need to permute. By the multiplication principle, the number of permutations of the set of n elements is equal to the number of ways to choose an element to fix, multiplied by the number of permutations of the remaining n-1 elements.
Therefore, we can write the recurrence relation as:
P(n) = n * P(n-1)
where P(n) represents the number of permutations of a set with n elements.
To use this recurrence relation to find the number of permutations of a set with n elements using iteration, we can start by setting the base case of P(1) = 1. Then, we can use the recurrence relation to compute P(2), P(3), and so on, until we reach P(n).
For example, to find P(2), we can use the recurrence relation:
P(2) = 2 * P(1) = 2 * 1 = 2
To find P(3), we can use the recurrence relation again:
P(3) = 3 * P(2) = 3 * 2 = 6
And so on, until we find P(n) using the recurrence relation.
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Heat-absorbing glass was developed to block more of Solar Radiation than light. True False
Answers
Consider a set of points in the 2-dimensional space plotted below. In this figure, visual distance between points also represents the distance computed by a learning algorithm. Which value of K (K=1, K=3, or K=5) will result in the greatest leave-one-out validation accuracy for KNN classification? Explain justify your answer.
Answers
In order to determine the value of K that will result in the greatest leave-one-out validation accuracy for KNN classification, we need to consider the trade-off between bias and variance.
A smaller value of K will result in a higher bias and lower variance, as the algorithm will only consider the closest point when making a classification. On the other hand, a larger value of K will result in a lower bias and higher variance, as the algorithm will consider more points when making a classification.
In this case, we can see from the plot that the points are relatively spread out and not tightly clustered, indicating that a larger value of K may be more appropriate. Additionally, a larger value of K may be able to better capture the underlying structure of the data and reduce the impact of outliers.
Therefore, we would expect that a value of K=5 may result in the greatest leave-one-out validation accuracy for KNN classification. However, it is important to note that this may vary depending on the specific characteristics of the data and the algorithm being used. It is always important to experiment with different values of K and evaluate their performance using appropriate validation methods.
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What are the main microsoft ware packages widely used today
Answers
Answer:
» Microsoft word ( word processing )
» Microsoft powerpoint ( presentation )
» Microsoft access ( database mamagement )
» Microsoft excel ( spread sheets )
Explanation:
\(.\)
Answer:
Microsoft Teams.
Word.
Excel.
PowerPoint.
Outlook.
OneNote.
OneDrive.
For an applied transformer with a primary winding of 220, a secondary winding of 113 turns, a core of 45 cm2 cross-section and a rated supply voltage of 220 V, frequency f = 50 Hz, number system Core style K = 1,2.
one. Calculated from the sensor in the core transformer.
NS. Calculate the rated capacity of the transformer application.
C. Calculating no-load voltage and current levels.
NS. If the power point is reduced by 7% from the voltage level; voltage scortation feature.
e. If use the core machine variable on random form; powerpress same as the host variable on; compare the capacity of the random transformer with the capacity of the transformer application.
Answers
Explanation:
https://www.chegg.com/homework-help/questions-and-answers/iron-core-wish-design-transformer-part-dc-power-supply-moderately-high-current-rating-volt-q53186459?trackid=83dbc34cec2e&strackid=3efc9f324415
Derive the equations of motion for flight at constant altitude and constant velocity.Show that these equations have zero mathematical degrees of freedom. Also, show that Eqs. (2.24) reduce to
these equations when combined with h=Const and V = Const.
Answers
We have shown that equations (2.24), when combined with h = const (constant altitude) and V = const (constant velocity), reduce to the equations of motion with zero degrees of freedom, as given by equations (12) and (13).
To derive the equations of motion for flight at constant altitude and constant velocity, we can start with the basic principles of flight dynamics. We'll assume the following variables:
h: altitude (constant)
V: velocity (constant)
m: mass of the aircraft
g: acceleration due to gravity
T: thrust
D: drag
L: lift
The equations of motion for flight can be written as:
ΣF_x = m * a_x (1)
ΣF_y = m * a_y (2)
ΣF_z = m * a_z (3)
where ΣF_x, ΣF_y, and ΣF_z represent the sum of forces in the x, y, and z directions, respectively, and a_x, a_y, and a_z represent the corresponding accelerations.
Considering flight at a constant altitude, we can neglect the vertical acceleration, a_z, because it is balanced by the lift and weight forces. Therefore, equation (3) reduces to:
ΣF_z = 0 (4)
Since the altitude, h, is constant, the lift force, L, is equal to the weight force, m * g:
L - m * g = 0 (5)
Combining equations (4) and (5), we have:
L = m * g (6)
Next, let's consider flight at a constant velocity. In this case, the sum of forces in the x-direction, ΣF_x, is equal to zero since there is no acceleration in that direction:
ΣF_x = 0 (7)
The thrust force, T, is balanced by the drag force, D:
T - D = 0 (8)
Combining equations (7) and (8), we have:
T = D (9)
Now, we can substitute equations (6) and (9) back into equations (1) and (2) to eliminate the variables L, T, and D:
ΣF_x = m * a_x = D - T = 0 (10)
ΣF_y = m * a_y = L - m * g = 0 (11)
Since the aircraft is flying at constant altitude and constant velocity, the accelerations in the x and y directions, a_x and a_y, are both zero. Therefore, equations (10) and (11) reduce to:
0 = 0 (12)
0 = 0 (13)
Equations (12) and (13) represent trivial identities, meaning they hold true regardless of the values of the variables involved. Consequently, these equations have zero mathematical degrees of freedom.
Therefore, we have shown that equations (2.24), when combined with h = const (constant altitude) and V = const (constant velocity), reduce to the equations of motion with zero degrees of freedom, as given by equations (12) and (13).
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A 60 mm radium drum is rigidly attached to a 100 mm radius drum as shown. One of the drum rolls without sliding on the surface shown, and a cord is wound around the other drum. Knowing that end D of the cord
is pulled to the left with a velocity of 160 mm/s and acceleration of 600 mm/s?, both directed to the left, determine the acceleration of points A, B, and C of the drum.
Answers
The acceleration at points A, B and C are respectively; 960 mm²/s, 1600 mm²/s and 600 mm²/s
What is the acceleration?The drum rolls without sliding and as such its' instantaneous center will lie at B. Thus;
V_d = V_c = 160 mm/s
Also, a_d = a_c = 600 mm²/s
Now, formula for velocity at A is;
V_a = r_ab * ω
where ω = 160/(100 - 60)
ω = 4 rad/s
V_a = 60 * 4
V_a = 240 mm/s
Acceleration at A = V_a²/r_ab
Acceleration at A = 240²/60 = 960 mm²/s
Now, V_b = 100 * 4 = 400 mm/s
Acceleration at B = 400²/100 = 1600 mm²/s
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In the figure below, this “double” nozzle discharges water (at 10°C, density= 1000 kg/m3) into the atmosphere at a rate of 0.50 m3/s. The pressure at the inlet is to be 315612 Pa. If the nozzle is lying in a horizontal plane. Jet A is 10 cm in diameter, jet B is 12 cm in diameter, and the pipe (1) is 30 cm in diameter. The x-component of force (Rx) acting through the flange bolts is required to hold the nozzle in place is:
Answers
Solution :
Given data :
p = 315612 Pa
\($V_1=7.07 \ m/sec$\)
At exit of B,
p = \($P_{atm}$\)
\($V_B = 26.1 \ m/sec$\)
At exit of A,
\(p=P_{atm}\)
\($V_{A} = 26.1 \ m/s$\)
We need to determine X component of force (\($R_x$\)) to hold in its place.
From figure,
\($\sum F_x = m_0'V_{0x} - m_iV_{ix} $\)
\($=F_x+P_1A_1\sin 30=-mVA-mV_1 \sin 30$\)
\($=F_x=-pA_1\sin 30-m_AV_AA-m_B \sin30$\)
Substitute all the values,
\($=F_x=[-315612 \times \frac{\pi}{4}(0.3)^2 \sin 30]-[26.1 \times 1000 \times 26.1 \frac{\pi}{4}(0.1)^2]-[7.07 \times 1000\times 0.5 \sin 30]$\)\($=F_x = -11154.64-5350.21-1767.28$\)
\($F_x = -18.2733 \ kN$\)
Therefore, the force required to hold the nozzle in its place along horizontal direction.
\($F_x = -18.2733 \ kN$\)
what is 2+2 equal to
Answers
Answer:
4
or
22
Explanation:
The __________ developed the national electric code, the national building code, and the national fire prevention code.
Answers
Main Answer:
The Bureau of Indian standards developed the national electric code, the national building code, and the national fire prevention code.
Sub heading:
explain BIS?
Explanation:
1.BIS-bureau of indian standard is the national standard body of india.
2.BIS is responbility for the harmonious deve;opment of the activities of standardization.marking .
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discrete trials should be delivered rather quickly in order to
Answers
Maintain the learner's attention and ensure efficient learning. When discrete trials are delivered quickly, it reduces the likelihood of the learner becoming distracted or bored during the session.
This also allows for a higher rate of responses and therefore more opportunities for the learner to receive reinforcement and practice the target skill or behavior.
However, it's important to note that the speed at which discrete trials are delivered should still allow the learner enough time to process and respond appropriately. The pace should be adjusted based on the individual learner's needs and abilities. Additionally, it's important to balance speed with accuracy and ensure that correct responses are reinforced consistently, rather than rushing through trials at the expense of accuracy.
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what do you understand by the statement"the relative velocity of a body A with respect to body B".
Answers
The relative velocity is defined as the velocity of an object with respect to another observer. It is the time rate of change of relative position of one object with respect to another object.
What is the relative velocity of A with respect to B?The relative velocity of A with respect to B= velocity of the body A – velocity of the body B.
What is relative velocity and its formula?The relative velocity formula is expressed as. V → = V A B → + V B C → Where. VAB is the velocity with respect to A and B, VBC is the velocity with respect to B and C and VAC is the velocity with respect to A and C.
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to which aircraft position does hsi presentation "b" correspond? a. 19 b. 9 c. 13
Answers
The HSI presentation "B" is typically associated with the aircraft position of 13.
So, the answer is C.
The HSI, or Horizontal Situation Indicator, is a navigational instrument that displays an aircraft's heading, course deviation, and navigation information.
Presentation "B" on the HSI usually shows a course deviation bar in the center of the display, with the aircraft heading at the top of the display and the selected course at the bottom. This presentation is often used during instrument approaches, as it allows pilots to monitor their deviation from the desired course.
Therefore, if a pilot sees presentation "B" on their HSI, they can assume that they are in the aircraft position of 13. It's option C.
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A new car design must carry a family of four, include safety features, get more than 25 miles per gallon on the highway, and weigh less than 1.5 tons. which is one of the criteria that should be part of the design to meet the proposal request?
Answers
Answer: weigh less than 1.5 tons
Explanation:
Answer:The answer is A, seats for five people.
Explanation: I took the test and it is the only option that fits the criteria listed above.
A 150-lbm astronaut took his bathroom scale (a
spring scale) and a beam scale (compares masses) to the
moon where the local gravity is g ! 5.48 ft/s2
. Determine
how much he will weigh (a) on the spring scale and (b) on
the beam scale.
Answers
Given the following data:
Mass of astronaut = 150-lbm.
Acceleration due to gravity on Moon = 5.48 ft/s².
What is weight?Weight can be defined as the force acting on an object or a physical body due to the effect of gravity. Also, the weight of a physical object (body) is typically measured in Newton or ounces.
How to calculate the weight of this astronaut?Mathematically, the weight force on a physical body can be calculated by using this formula:
W = mg
Where:
W represents the weight.m represents the mass.g represents the acceleration due to gravity.Substituting the given parameters into the formula, we have;
Weight = 150 × 1/32.2 × 5.48
Weight = 25.5 lbf.
For the weight on beam scale.A beam scale is a measuring instrument that is designed and developed to compare the masses of a physical body and as such, it's not affected by the variations in acceleration due to gravity. Therefore, the beam scale would read 150-lbf as it read on earth.
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What is the output? for num in range(3): print (num + 5)
Answers
Answer: 5 6 7
Explanation:
you can run this in python and get this result
The output for the given program is: 5 6 7
What is Python Programming Language?This refers to the high-level language that was created and is used for data structures due to its OOP (object-oriented programming).
Hence, this python code asks for an array of numbers in the range of 3 and when that is found, it should make a display of the number and increment it.
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What signal propagation phenomena causes the diffusion, or the reflection in multiple different directions, of a signal?
Answers
In the radio communication system, multipath is the propagation phenomenon that causes diffusion or reflection in multiple different directions of a signal.
Multipath is a propagation mechanism that impacts the propagation of signals in radio communication. Multipath results in the transmission of data to the receiving antenna by two or more paths. Diffusion and reflection are the causes that create multiple paths for the signal to be delivered.
Diffraction occurs when a signal bends around sharp corners; while reflection occurs when a signal impinges on a smooth object. When a signal is received through more than one path because of the diffraction or reflection, it creates phase shifting and interference of the signal.
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A 0.6m diameter pulley driven by a horizontal belt driver transmit power through a solid shaft to 0.25m pinion which drives a mating gear The weight of the pulley is 1500N The arrangement of element belt tension and component of gear reactions on the pinion is what.
Determine shaft diameter take fatique and shock factor as Kb=2 and Kt=1.5.
Answers
When the driving gear is spinning at 128 RPM, the belt and system's pulley ratio is 0.43, giving us roughly 13.4 driven pulleys.
An example of a simple machine is a pulley system, which consists of a wheel with a groove along one edge that is intended to grip a rope or cable. Lifting heavy objects with little force is possible thanks to the rope or cable being moved around the edge of the wheel when it rotates. Objects can be raised, lowered, or moved in a different direction by means of a pulley system. 1. The ratio of the driving pulley's radius to the driven pulley's radius is known as the pulley ratio. This will provide for; Pulley ratio is equal to (driving pulley radius / driven pulley radius) / 3/7, which equals 0.428.
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Technician A says that hoods are designed with reinforcements to prevent folding during a collision. Technician B says that some hoods are made from reinforced plastic. Who is right?
Answers
Technician A is wrong.
Usually, hoods have what is called "Crush Zones" underneath the panels. The function of the Crush Zone is to prevent the hoods, during a collision, from entering into the passenger space. The crush zones allow the hoods to fold instead.
Technician B is right.
Automobile producers now make use of a hybrid form of hood that consists of fiberglass reinforced with plastic.They are mostly used for trucks that have a low volume of production. The hood is built using a process called Resin Transfer Model (RTM).
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List three examples of waves that can transfer energy without going through a medium
Answers
Electromagnetic waves can transfer energy without a material medium.
3 examples of elctromagnetic energy include: Radio wave, X-rays and gamma rays
What is wave?A wave is a disturbance that transfers energy from one point to another.
Electromagnetic waves are waves that does not require a material medium for the tranfer of energy
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EnQueue(X): Thêm phần tử X vào Queue
DeQueue() : Lấy 1 phần tử ra khỏi Queue
Hãy cho biết phần tử ở đầu của Queue có giá trị bằng bao nhiêu sau khi thực hiện lần lượt các phép toán sau:
EnQueue(1); EnQueue(2); DeQueue(); EnQueue(3);
EnQueue(4); DeQueue(); DeQueue();
Answers
which external structure appears like a grappling hook used for adhesion?
Answers
Answer:
The hami closely resemble man-made fishhooks, grapples and anchors and spontaneously suggest a function for cell anchoring or adhesion.
A rocket is launched from rest with a constant upwards acceleration of 18 m/s2. Determine its velocity after 25 seconds
Answers
Answer:
The final velocity of the rocket is 450 m/s.
Explanation:
Given;
initial velocity of the rocket, u = 0
constant upward acceleration of the rocket, a = 18 m/s²
time of motion of the rocket, t = 25 s
The final velocity of the rocket is calculated with the following kinematic equation;
v = u + at
where;
v is the final velocity of the rocket after 25 s
Substitute the given values in the equation above;
v = 0 + 18 x 25
v = 450 m/s
Therefore, the final velocity of the rocket is 450 m/s.
Raw materials used of silicone rubber
Answers
Which items are NOT found on a
door?*
5 points
Cladding
Moulding
Weatherstrip
Check Strap
Striker
All of the above
None of the above
Answers
Answer:
None of the above cause thats what i put
in a typical heating/cooling curve, what is the slope of the line when a change of state is occurring? group of answer choices slope 1 positive slope none of the above negative slope'
Answers
Slope 1 is the slope of the line when a change of state is occurring.
The slopes of the slanted strains represent the unique warmth potential. The sharper the slope, the smaller the unique warmth potential of the substance is. This is extensive due to the fact the sharper the slope, the greater fast the temperature rises while the substance is heated. A slope of one approach it rises simply as rapid because it is going forward. A terrible slope approach that variables are negatively related; that is, while x increases, y decreases, and while x decreases, y increases. If the graph of a line rises from left to proper, the slope is positive. If the graph of the road falls from left to proper the slope is terrible.
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what is the appropriate superelevation rate for a curve with a 1,200-ft radius on highway with a design speed of 60 mi/h?
Answers
A curve should superelevate at a rate of 6%.A 10% maximum superelevation has been advised for highways with hills that are not snow-bound.
How much super elevation can you get in total?Taking into account this mixed traffic, the IRC set a 7.0% or 0.07 maximum limit of superelevation on plain and rolling terrains and in snow-covered areas. A 10% maximum superelevation has been advised for highways with hills that are not snow-bound.By dividing the distance between the normal crown and full super by the transition length, one may calculate the rate of change in superelevation. 1,2000 - 60 = 11,940 Similar to the transition at the curve's beginning end, the rate of change is constant.To learn more about Superelevation refer to:
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