The mechanical test that involves deforming a specimen to fracture with a gradually increasing load applied uniaxially along the long axis of the specimen is called a tensile test.
A tensile test, also known as a tension test, is used to determine the mechanical properties of a material, such as its strength, ductility, and toughness. The test is performed by clamping a cylindrical or rectangular specimen between two grips, and then applying a load to the specimen in a direction that is parallel to its longitudinal axis. The load is gradually increased until the specimen fractures, and the stress-strain behavior of the material is recorded during the test.
During a tensile test, the stress in the material increases until the maximum stress that the material can withstand is reached. This maximum stress is known as the tensile strength. The amount of strain that occurs before the specimen fractures is a measure of the material's ductility. The toughness of the material is determined by the amount of energy required to fracture the specimen.
Tensile tests are used to determine the mechanical properties of a variety of materials, including metals, polymers, composites, and ceramics. The results of tensile tests can be used to select materials for engineering applications, optimize processing conditions, and evaluate the performance of materials under different loading conditions.
In conclusion, a tensile test is a mechanical test in which a specimen is deformed to fracture with a gradually increasing load applied uniaxially along the long axis of the specimen. The results of tensile tests provide important information about the mechanical properties of materials, including their strength, ductility, and toughness.
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What are the leaf nodes of a perfect balanced binary search tree that has the following in-order traversal: 7 8 9 10 11 12 13
a. 7 9 11 13
b. 7 8 9 10
c. 8 10 12
d. Cannot be determined
The correct answer is (d) Cannot be determined. The given in-order traversal: 7 8 9 10 11 12 13.
To determine the leaf nodes of a perfect balanced binary search tree, we need additional information, such as the corresponding pre-order or post-order traversal. Without this information, we cannot uniquely identify the structure of the tree and determine the leaf nodes.
While the given traversal is in ascending order, it does not provide enough information about the hierarchical relationships between the nodes. A perfect balanced binary search tree can have multiple valid structures with the same in-order traversal. The positioning of the nodes can vary, leading to different arrangements of the leaf nodes.
Therefore, without more information, we cannot definitively determine the leaf nodes of the perfect balanced binary search tree corresponding to the given in-order traversal.
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If a digital multimeter displays 000 when reading amperage, what should the technician do to get a more accurate reading
Answer:
Use a non digital multimeter.
Explanation:
If a digital multimeter displays "000" when reading amperage, the technician should adjust the multimeter to a higher amperage range.
Why should the technician do this?This is because "000" typically indicates that the current being measured is too low for the current range selected on the multimeter.
By switching to a higher amperage range, the technician can get a more accurate reading and ensure that the multimeter is properly measuring the current in the circuit under test.
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Design a driver circuit that should drive a a seven segment to display octal numbers
[0 up to 7]. Your work should include the following steps
1) An appropriate title
2) The truth Table
3) Simplified expressions for the appropriate circuit
4) Logical circuit for the driver.
Answer:
point hehe sorry sorry
Explanation:
I don't know
the primary difference between integrated/concurrent engineering development and functional/sequential development is:
Integrated development invests more money upfront to make savings later on. Sequential development covers the stages of development more thoroughly.
An integrated development environment (IDE) is a piece of software that offers computer programmers a full range of tools for creating software. A build automation tools and a source code editor are typically included in an IDE. SharpDevelop is an example of IDEs that lacks the requisite compiler, interpreter, or both. Other IDEs, such as NetBeans and Eclipse, do.
A version control system or numerous tools to make the creation of a graphical user interface (GUI) simpler may be included, blurring the line between an IDE and other components of the larger development environment. For usage in object-oriented software development, a class browser, an object browser, and a class hierarchy diagram are also common features of contemporary IDEs.
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True or false, Increasing the spring force of the pressure plate that clamps the clutch disc to the flywheel increases torque capacity
but takes more foot pressure to operate the clutch pedal.
Answer: True
Explanation:
What is not a condition under which the malfunction indicator light or service engine light is turned off ?
The malfunction indicator light or service engine light is not switched off when the Powertrain Control Module Link is grounded.
A power-train control module (PCM), sometimes known as a control unit, is a motor vehicle component. The engine control unit (ECU) and transmission control unit are typically combined into one controller (TCU). On some vehicles, including many Chryslers, there are three different computers: the PCM, the TCU, and the Body Control Module (BCM). In general, these car computers are very dependable. In a car or truck, the PCM frequently regulates more than 100 variables. There are hundreds of different error codes that may appear and signify that a specific component of the car isn't working properly. The "check engine" light on the dashboard typically illuminates when one of these errors occurs.
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Explain why the equivalent resistance of a parallel combination of resistors is always less than the smallest of the parallel resistors.
Explain why the equivalent resistance of a parallel combination of resistors is always less than the smallest of the parallel resistors. Adding resistors in parallel gives the current a shorter path through which it can flow, hence decreasing the overall resistance.
Write A C++ Program That Implements The Given Class Hierarchy. A Teaching Assistant Is An Employee And A Student. Both
A C++ program that implements the given class hierarchy.
#include <iostream>
#include <cstring>
class Person {
protected:
char* name;
int age;
char* gender;
public:
Person(const char* _name, int _age, const char* _gender) : age(_age) {
name = new char[strlen(_name) + 1];
strcpy(name, _name);
gender = new char[strlen(_gender) + 1];
strcpy(gender, _gender);
}
virtual ~Person() {
delete[] name;
delete[] gender;
}
virtual void display() const = 0;
const char* getName() const {
return name;
}
int getAge() const {
return age;
}
const char* getGender() const {
return gender;
}
};
class Student : public Person {
private:
float gpa;
int semester;
char* field;
public:
Student(const char* _name, int _age, const char* _gender, float _gpa, int _semester, const char* _field)
: Person(_name, _age, _gender), gpa(_gpa), semester(_semester) {
field = new char[strlen(_field) + 1];
strcpy(field, _field);
}
Student(const Student& other) : Person(other.name, other.age, other.gender), gpa(other.gpa), semester(other.semester) {
field = new char[strlen(other.field) + 1];
strcpy(field, other.field);
}
~Student() {
delete[] field;
}
void display() const override {
std::cout << "Student Name: " << name << std::endl;
std::cout << "Age: " << age << std::endl;
std::cout << "Gender: " << gender << std::endl;
std::cout << "GPA: " << gpa << std::endl;
std::cout << "Semester: " << semester << std::endl;
std::cout << "Field: " << field << std::endl;
}
};
class Employee : public Person {
private:
float salary;
char* rank;
public:
Employee(const char* _name, int _age, const char* _gender, float _salary, const char* _rank)
: Person(_name, _age, _gender), salary(_salary) {
rank = new char[strlen(_rank) + 1];
strcpy(rank, _rank);
}
Employee(const Employee& other) : Person(other.name, other.age, other.gender), salary(other.salary) {
rank = new char[strlen(other.rank) + 1];
strcpy(rank, other.rank);
}
~Employee() {
delete[] rank;
}
void display() const override {
std::cout << "Employee Name: " << name << std::endl;
std::cout << "Age: " << age << std::endl;
std::cout << "Gender: " << gender << std::endl;
std::cout << "Salary: " << salary << std::endl;
std::cout << "Rank: " << rank << std::endl;
}
};
class TeachingAssistant : public Employee, public Student {
public:
TeachingAssistant(const char* _name, int _age, const char* _gender, float _salary, const char* _rank,
float _gpa, int _semester, const char* _field)
: Employee(_name, _age, _gender
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Why is light important to our laying chickens?
Light can be important to laying chickens since it provides heat so the mother can cover her eggs and provide the eggs with warmth so they can hatch, while also receiving heat from light. It provides extra comfort.
Discuss the environmental concerns regarding microfibre products
I don't know
Explanation:
cfffffffffggg
if the tire’s radius is 23 cm , what is d , the magnitude of the spot’s displacement after 2.0 seconds?
In a rolling tire, the magnitude of the spot's displacement is defined as the distance traveled by a point on the circumference of the tire with respect to a stationary observer. The magnitude of the spot's displacement is 2.88 m after 2.0 seconds.
The tire's radius is given as 23 cm and the magnitude of the spot's displacement is to be calculated after 2.0 seconds. Let's first calculate the total distance covered by the spot of the tire's circumference using the formula of distance = speed × time.
The formula for the distance covered by a point on a rotating wheel is given as:
d = 2πrN, Where r = the radius of the tire and N = the number of revolutions made by the tire during the given time period. Turning 23 cm to meters, we get r = 0.23 m.
The speed of the tire is the tangential speed of the wheel, which can be expressed as follows: v = rω, Where v = the linear speed, r = the radius of the wheel, and ω = the angular velocity.
We can determine the number of rotations (N) made by the tire using the following formula:
N = ωt / 2π.
Now, to determine the distance covered by the point on the wheel, we substitute the values in the given formula:
d = 2πrN= 2πr(ωt/2π)= rωt= r(2π/t)t= 2s.
Substituting the values, we get:
d = 0.23 m × ω × (2s) = 0.23 m × (2π/t) × 2 s= 2.88 m.
Thus, the magnitude of the spot's displacement is 2.88 m after 2.0 seconds.
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What is a radio wave made up of? Molecules? Electrons? Other?
Radio waves are radiated by charged particles when they are accelerated. They are produced artificially by time-varying electric currents, consisting of electrons flowing back and forth in a specially-shaped metal conductor called an antenna. ... Radio waves are received by another antenna attached to a radio receiver.
Answer: Wave Currents??
WIDE OPEN GUESS
Calculate density, specific weight and weight of one litter of petrol having specific gravity 0.7
Explanation:
mass=19kg
density=800kg/m³
volume=?
as we know that
density=mass/volume
density×volume=mass
volume=mass/density
putting the values
volume=19kg/800kg/m³
so volume=0.02375≈0.02m³
How much power (energy per time) can be provided by a 75 m high waterfall with a flow rate of 10,000 L/s?
The waterfall can provide a power output of 7,350 Watts (or 7.35 kilowatts).
How to solveThe power generated by a waterfall can be calculated using the formula:
Power = Mass flow rate × Gravitational acceleration × Height
Given that the flow rate is 10,000 L/s (which is equivalent to 10 m³/s) and the height is 75 m, the power can be calculated as follows:
Power = 10 m³/s × 9.8 m/s² × 75 m = 7,350 Watts
Therefore, the waterfall can provide a power output of 7,350 Watts (or 7.35 kilowatts).
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how skateboards works?
Answer
The skateboarder applies pressure to the trucks and gives/releases pressure on the levers. Second, the wheels and the axles are also examples of simple machines. They help the skater ride, spin, grind, and do a bunch of other radical movements on a skateboard.:
Explanation:
Find the current Lx in the figure
Explanation:
\( \frac{1}{8} + \frac{1}{2} \\ 1.6 + 1.4 = 3 \\ \frac{1}{3} + \frac{1}{9} \\ 2.25 + 2 = 4.25 \: ohm\)
R total = 4.25 ohm
I total = Vt/Rt
I total= 17/4.25= 4 A
Ix= 600 mA
\( \frac{9}{9 + 3} \times 4 = 3\\ \frac{2}{2 + 8} \times 3 = 0.6a \\ = 0.6 \: milli \: amper\)
Instructions: For each problem, identify the appropriate test statistic to be use (t test or z-test). Then compute z or t value.
1) A teacher claims that the mean score of students in his class is greater than 82 with a standard deviation of 20. If a sample of 81 students was selected with a mean score of 90 then check if there is enough evidence to support this claim at a 0.05 significance level.
2) An online medicine shop claims that the mean delivery time for medicines is less than 120 minutes with a standard deviation of 30 minutes. Is there enough evidence to support this claim at a 0.05 significance level if 49 orders were examined with a mean of 100 minutes?
3) An English teacher wanted to test whether the mean reading speed of students is 550 words per minute. A sample of 12 students revealed a sample mean of 540 words per minute with a standard deviation of 5 words per minute . At 0.05 significance level, is the reading speed different from 550 words per minute?
The sample of 81 students was selected with a mean score of 90, this illustrates an example of a right tailed one sample z test.
How to illustrate the sample?From the information given, the teacher claims that the mean score of students in his class is greater than 82 with a standard deviation of 20. In this case, the right tailed one sample z test is used.
The z value will be:
= (90 - 82)/20/✓81
= 3.6
Since 3.6 > 1.645, the null hypothesis will be rejected as there's enough evidence to support the teacher's claim.
When an online medicine shop claims that the mean delivery time for medicines is less than 120 minutes with a standard deviation of 30 minutes, the left tailed one sample test is used.
The z value will be:
= (100 - 120)/(30/✓49)
= -4.66
The null hypothesis is rejected as there is enough evidence to support the claim of the medicine shop.
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Which company produces comprehensive patch management software?
Quest
Motorola
Apple
Sony
Underground water is to be pumped by a 78% efficient 5- kW submerged pump to a pool whose free surface is 30 m above the underground water level. The diameter of the pipe is 7 cm on the intake side and 5 cm on the discharge side. Determine (a) the maximum flow rate of water (5-point) and (b) the pressure difference across the pump (5-point). Assume the elevation difference between the pump inlet and the outlet and the effect of the kinetic energy correction factors to be negligible
Answer:
a) The maximum flowrate of the pump is approximately 13,305.22 cm³/s
b) The pressure difference across the pump is approximately 293.118 kPa
Explanation:
The efficiency of the pump = 78%
The power of the pump = 5 -kW
The height of the pool above the underground water, h = 30 m
The diameter of the pipe on the intake side = 7 cm
The diameter of the pipe on the discharge side = 5 cm
a) The maximum flowrate of the pump is given as follows;
\(P = \dfrac{Q \cdot \rho \cdot g\cdot h}{\eta_t}\)
Where;
P = The power of the pump
Q = The flowrate of the pump
ρ = The density of the fluid = 997 kg/m³
h = The head of the pump = 30 m
g = The acceleration due to gravity ≈ 9.8 m/s²
\(\eta_t\) = The efficiency of the pump = 78%
\(\therefore Q_{max} = \dfrac{P \cdot \eta_t}{\rho \cdot g\cdot h}\)
\(Q_{max}\) = 5,000 × 0.78/(997 × 9.8 × 30) ≈ 0.0133 m³/s
The maximum flowrate of the pump \(Q_{max}\) ≈ 0.013305 m³/s = 13,305.22 cm³/s
b) The pressure difference across the pump, ΔP = ρ·g·h
∴ ΔP = 997 kg/m³ × 9.8 m/s² × 30 m = 293.118 kPa
The pressure difference across the pump, ΔP ≈ 293.118 kPa
Which of these metal roof types naturally ages over time to a dark-gray color?
a.) lead b.) copper c.) zinc d.) titanium e.) stainless steel
The metal roof type that naturally ages over time to a dark-gray color is zinc.
Copper roofs are known for their distinctive appearance and long lifespan, which can last for up to 100 years or more. Over time, copper naturally weathers and forms a greenish patina, which then gradually darkens to a grayish-black color. This patina actually protects the copper from further corrosion and gives it its unique look.It's worth noting that some other metal roof types, such as zinc and stainless steel, can also develop a patina over time, but the resulting color may be different from the grayish-black hue of aged copper.
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Suppose Bob joins a BitTorrent torrent, but he does
not want to upload any data to any other peers (so
called free-riding).
A. Bob claims that he can receive a complete copy of the
file that is shared by the swarm. Is Bob’s claim
possible? Why or Why not?
B. Bob further claims that he can further make his "freeriding"
more efficient by using a collection of
multiple computers (with distinct IP addresses) in the
computer lab in his department. How can he do that?
A. You cannot claim Bob. BitTorrent is a peer-to-peer file sharing protocol where users upload and download data from each other.
B. Bob can use multiple computers with different IP addresses to increase his download speed.
Give reasons for the statement.A. You cannot claim Bob. BitTorrent is a peer-to-peer file sharing protocol where users upload and download data from each other. To get a complete copy of the files shared by the swarm, users must also contribute to the network by uploading data to other peers. If the user does not upload the data, the data will be received very slowly and the complete file may not be received.
B. Bob can use multiple computers with different IP addresses to increase his download speed, yet the basic fact is that he is still a free-rider and does not contribute to the network. No change. Using multiple computers with different IP addresses is considered malicious behavior and may be banned from the BitTorrent network. Any activity that abuses the network or compromises its integrity is generally discouraged.
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Refrigerant blends that are approved for use in mvac systems can a) be topped off b) never be topped off c) never be recycled and re-charged into a system d) both b and c are correct
The refrigerant blends that are approved for use in MVAC systems can never be topped off never be recycled and re-charged into a system. The correct option is d.
What is MVAC system?Refrigeration is used in motor vehicle air conditioning (MVAC) equipment to cool the driver's or passenger's compartment. Section 609 of the Clean Air Act governs the maintenance of these systems.
The United States Environmental Protection Agency (EPA) currently does not require the recovery and recycling of natural refrigerants such as carbon dioxide; HCs such as propane, isobutane, blends such as R-441A, or ethane; or ammonia.
This is such a blatant air conditioning myth that it inspired the title of this blog post. You should never have to "top off" or "refill" the refrigerant in your air conditioner.
Thus, the correct option is d.
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ANSER QUICKLY ONLY HAVE 2 HOURS ON THIS TEST
A system of symbols and pictures used to inform others on the life and culture of a civilization is known as
Answer:
It is known as (PCS)
Explanation:
That sounds a lot like:
hieroglyphics(aka. a stylized picture of an object representing a word, syllable, or sound, as found in ancient Egyptian and other writing systems.)
A tiger cub has a pattern of stripes on it for that is similar to that of his parents where are the instructions stored that provide information for a tigers for a pattern
probably in it's chromosomes
Can some help me with this !!! Is 26 points!!
Draw shear Force and bending moment diagram for the beam given below.
The primary purpose of beams as structural components is to support vertical loads.
What is Force and bending moment?The highest shear and maximum moment locations, as well as the corresponding magnitudes, should be noted while constructing a beam because there is where the structure is most likely to break.
We must measure the shear force and bending moment at every location along the whole length of the beam in order to identify these important places.
While this method is helpful, you will need a more potent strategy to determine the shear and moment at every point in the item. A shear and bending moment diagram can be made to do this.
Therefore, The primary purpose of beams as structural components is to support vertical loads.
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The following problem refers to triangle ABC, find all missing parts. Round degrees to 1 decimal places and
sides to the nearest whole number.
A = 36.5°C = 67.5°, c = 224 inches
A=
В.
C
O
O
490 do
a =
inches
inches
inches
C-
Answer:
A =41 .....
......
......
....C=21
PLEASE HELP!
I'm in the middle of a test and the teacher didn't go over the material!
Answer:
1. 4/d and 1
2. Engineering tech with 3, Engineer with 1, and Scientist with 2
Explanation:
I'm pretty sure but tell me if im wrong
rank the following gases in order of decreasing rate of effusion. rank from the highest to lowest effusion rate. to rank items as equivalent, overlap them.
It means that the gas with the lowest molecular weight will have the highest effusion rate.
What has the highest rate of effusion?The given gases' effusion rates are listed in order from highest to lowest. The effusion rate of a hydrogen molecule is the highest, whereas that of a hydrocarbon is the lowest.
A gas will effuse faster when it is lighter and more slowly when it is heavier. Helium (He) will have the highest rate of effusion since it has the lowest molecular weight (atomic weight, in this example).
The following equation can be used to compare the rate of effusion for two gases: The effusion rates in this case are inversely related to the square root of the gas molecules' masses. A container contains an amalgam of neon and argon gas.
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An aluminum rod is press fitted onto an aluminum collar. The collar has an inner radius of 1 cm and an outer radius of 2 cm. Given the rod has a diameter of 2.01cm and the young's modulus of aluminum is 69 GPa
The question is incomplete. The complete question is --
An aluminum rod is press fitted onto an aluminum collar. The collar has an inner radius of 1 cm and an outer radius of 2 cm. Given the rod has a diameter of 1.01 cm and the young's modulus of aluminum is 69 GPa, determine the following :
1. the interference value, i
2. the radial pressure at the interference of the collar and the rod
3. the maximum effective stress in the collar
4. if the yield strength of aluminium is 200 MPa and assume a safety factor of 1.5, will the aluminium collar break
Solution:
Given :
Inner radius of the collar = 1 cm
So, inner diameter, \($d_1$\) = 2 cm
Outer radius of the collar = 12 cm
So, outer diameter, \($d_2$\) = 4 cm
The aluminium rod diameter, d = 1.01 cm
Now, from the figure, we can see that there will be no interference and so the rod will easily insert inside the collar.
1. So, the interference , i =0
2. The radial pressure is also 0.
3. There will be no stress developed. So the maximum effective stress is 0
4. The collar will not break