Based on the information given, we can conclude that Glass A will have a lower fracture toughness than Glass B.
Fracture toughness is a measure of a material's ability to resist cracking and breaking. Since Glass A has more cracks than Glass B, it means that it is more prone to breaking and therefore has a lower fracture toughness. It is important to note that even though the two glasses are identical in every other aspect, the presence of cracks in Glass A makes it less durable and less resistant to fractures than Glass B.
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The Role of Fuel Cells in Renewable Energy Solutions
Answer:
chemical energy directly
What does efficiency measure?
Answer:
Efficiency is defined as any performance that uses the fewest number of inputs to produce the greatest number of outputs. Simply put, you're efficient if you get more out of less.
Explanation:
Consider a mild steel specimen with yield strength of 43.5 ksi and Young's modulus of 29,000 ksi. It is stretched up to a point where the strain in the specimen is 0.2% (or 0.002). If the specimen is unloaded (i.e. load reduces to zero), the residual strain (or permanent set) is: 0.05% 0.1% 0% 0.2%
Answer:
0.05%
Explanation:
From the question, we have;
The yield strength of the mild steel, \(\sigma _c\) = 43.5 ksi
Young's modulus of elasticity, ∈ = 29,000 ksi
The total strain, \(\epsilon _c\) = 0.2% = 0.002
The inelatic strain \(\epsilon_c^{in}\) is given as follows;
\(\epsilon_c^{in}\) = \(\epsilon _c\) - \(\sigma _c\)/∈
Therefore, we have;
\(\epsilon_c^{in}\) = 0.002 - 43.5/(29,000) = 0.0005
Therefore, the inelastic strain, \(\epsilon_c^{in}\) = 0.0005 = 0.05%
Taking the inelastic strain as the residual strain, we have;
The residual strain = 0.05%
When was the first black or white hole discovered?
Answer:
1964
Explanation:
It was discovered in 1964 when a pair of Geiger counters were carried on board a sub-orbital rocket launched from New Mexico.
In a certain company the cost of software depends on the license type which could be Individual or Enterprise. Write a program that reads License Type wanted (just the first character of each type: I, i, E, e). Number of Users to use the software. Type Price/User Minimum number of users Individual 500$ 1 Enterprise 300$ 5 Your program should: Check if the number of users is greater than or equal than Minimum Number of Users allowed Compute the cost: (for example cost = Cost per user x Number of Users)
Solution :
import \($\text{java}.$\)util.*;
public \($class$\) currency{
public static \($\text{void}$\) main(String\($[]$\) args) {
Scanner input \($=$\) new Scanner(System\($\text{.in}$\));
System\($\text{.out.}$\)print("Enter \($\text{number of}$\) quarters:");
int quarters = input.nextInt();
System.out.print("Enter number of dimes:");
int \($\text{dimes =}$\) input.nextInt();
System\($\text{.out.}$\)print("Enter number of nickels:");
int nickels = input.nextInt();
System\($\text{.out.}$\)print("Enter number of pennies:");
int \($\text{pennies = }$\) input.nextInt();
// computing dollors
double dollars = (double) ((quarters*0.25)+(dimes*0.10)+(nickels*0.05)+(pennies*0.01));
System\($\text{.out.}$\)format("You have : $%.2f",dollars);
}
}
A compressible fluid flows through a compressor that increases the density from 1 kg/m3 to 5 kg/m3. The cross-sectional area of the inlet pipe is 3 m2 and that of the discharge pipe is 1 m2. The relation between the discharge volume flow rate and the inlet volume flow rate is
Answer:
The relation between the discharge volume flow rate and the inlet volume flow rate is \(\frac{1}{5}\).
Explanation:
No matter if fluid is compressible or not, mass throughout compressor, a device that works at steady state, must be conserved according to Principle of Mass Conservation:
\(\dot m_{in}-\dot m_{out} = 0\) (Eq. 1)
Where \(\dot m_{in}\) and \(\dot m_{out}\) are mass flows at inlet and outlet, measured in kilograms per second.
After applying Dimensional analysis, we expand the equation above as follows:
\(\rho_{in}\cdot \dot V_{in} - \rho_{out}\cdot \dot V_{out} = 0\) (Eq. 2)
Where:
\(\rho_{in}\), \(\rho_{out}\) - Fluid densities at inlet and outlet, measured in kilograms per cubic meter.
\(\dot V_{in}\), \(\dot V_{out}\) - Volume flow rates at inlet and outlet, measured in cubic meters per second.
After some algebraic handling, we find the following relationship:
\(\rho_{out}\cdot \dot V_{out} = \rho_{in}\cdot \dot V_{in}\)
\(\frac{\dot V_{out}}{V_{in}} = \frac{\rho_{in}}{\rho_{out}}\) (Eq. 3)
If we know that \(\rho_{in} = 1\,\frac{kg}{m^{3}}\) and \(\rho_{out} = 5\,\frac{kg}{m^{3}}\), then the relation between the discharge volume flow rate and the inlet volume flow rate is:
\(\frac{\dot V_{out}}{\dot V_{in}} = \frac{1\,\frac{kg}{m^{2}} }{5\,\frac{kg}{m^{3}} }\)
\(\frac{\dot V_{out}}{\dot V_{in}} = \frac{1}{5}\)
The relation between the discharge volume flow rate and the inlet volume flow rate is \(\frac{1}{5}\).
the amount of current in an incandescent bulb rated 75w 120v is about
The current in the incandescent bulb is approximately 0.625 Amperes (A).
An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a wire filament heated until it glows. The filament is enclosed in a glass bulb with a vacuum or inert gas to protect the filament from oxidation.
The amount of current in an incandescent bulb rated at 75W and 120V can be calculated using Ohm's Law, which states that current (I) is equal to power (P) divided by voltage (V).
Using this formula, the current can be calculated as:
I = P / V
I = 75W / 120V
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You are an engineer working in a auto crash test lab. Some members of your team have raised objections against the use of cadavers in the crashes. No reliable data exists that shows that cadavers produces more accurate data, but many coworkers argue that common suggest they do. Others claim that the use of cadavers as mere instruments for our well-being disrespects those individuals, who have not consented to use their bodies for this purpose. The question of whether to continue to use cadavers in the lab is what kind of issue?
Answer: Application.
Explanation:
The question on wether to contine the use of cadavers in the lab for test is being centered around its application. Cadaver which is same as a corpse or dead body is used in crash site during automobil test in lab, some of this cadavers are been disrespected with their applications in the automobile industries because many didn’t consent to be used in those experiments or test.
If you deposit today 11,613 in an account earning 8% compound interest, for how long should you invest the money in order to earn 15,131.76 (profit)?
If you’re shopping for a rack switch, what component on the switch tells you it can be mounted to a rack? a. AC adapter b. Rack ears c. Padded feet d. Large fans
The correct answer is b. Rack ears. Rack ears are the pieces of metal on the sides of the switch that enable it to be mounted to a rack. They are adjustable and allow the switch to fit securely into the rack.
What is metal?Metal is a type of material made up of many small particles that are tightly packed together. It is a hard, dense material that is highly versatile and can be used for a wide range of applications. Metals are typically composed of iron, nickel, cobalt, or other metallic elements. Metal is strong and can be used to create durable and long-lasting products, such as tools and furniture. Metal is also malleable and can be shaped into a variety of forms. It is also highly conductive, meaning it can transmit electricity, heat, and sound. Metals can be polished to create a glossy finish and are often used in jewelry and other decorative items. Additionally, metals are used in automotive, aerospace, and other industrial applications due to their strength and durability.
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All of the following statements about rear drum parking brakes are true EXCEPT: the lever forces the wheel cylinder pistons out to force the brake shoes against the drum.
All of the following statements about rear drum parking brakes are true except the lever forces the wheel cylinder pistons out to force the brake shoes against the drum.
The lever does not force the wheel cylinder pistons out to force the brake shoes against the drum. Instead, the lever directly pushes the brake shoes against the drum, bypassing the wheel cylinder pistons. This action provides the necessary force to hold the vehicle stationary when the parking brake is engaged.
With this system, friction is generated by pressing the brake linings against the inside surfaces of the drums. This friction converts kinetic energy into thermal energy. Drum brakes are on each of your vehicle's axles and contain about 10 different parts, including the axle, slack adjuster, and brake drum itself. While a safety valve is part of the air brake system, it is not part of the drum brake.
A parking brake controls the rear brakes and is a completely separate device from your vehicle's regular hydraulic brakes. It is in charge of keeping a parked vehicle stationary; it will prevent the car from rolling down a hill or moving.
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The insulator is the connection between the grounded circuit conductor and the equipment grounding conductor at the service.
A transmitter has an output power of 0.1mW while the fiber has coupling loss of 12dB, attenuation of
6dB/km for the length of 500m. The link contains two connectors of 2dB average loss. The receiver has a
minimum acceptable power ( sensitivity) of -35dBm. The designer has allowed a 4dB margin. Based on
the given information,
a) Calculate total link loss
b) Determine the receiver's sensitivity
c) Identify this system is good practice or not
On a TXV system, the temperature sensing bulb is located at the
A condenser outlet
B evaporator outlet
C condenser inlet
D evaporator inlet
Answer:
Explanation:
B evaporator outlet: on the suction line between the evaporator and the compressor
Sketch a stone bridge, a steel bridge, a wood bridge, and a reinforced concrete bridge. Describe how their shape is related to the properties of the material.
The shape of a bridge is determined by the material it's made of. Bridges are made from different materials such as wood, steel, stone, and reinforced concrete.
Stone bridge: A stone bridge is built from stone blocks or stones that are cut and fitted together. The shape of a stone bridge is typically arched or curved. This is because stone is a very heavy and dense material that can withstand a lot of pressure. The arched shape of the stone bridge helps distribute the weight of the bridge evenly across the supporting pillars.
Steel bridge: A steel bridge is made from steel beams or trusses. The shape of a steel bridge is typically angular and geometric. This is because steel is a very strong material that can be easily molded and shaped into different shapes. The angular shape of the steel bridge helps distribute the weight of the bridge evenly across the supporting pillars. The shape also helps provide stability and prevent the bridge from swaying or moving in high winds.
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what condition must dc(s) satisfy so that the system can track a ramp reference input with constant steady-state error?
The condition that DC(s) must satisfy for the system to track a ramp reference input with constant steady-state error is DC(0) = 1.
To achieve constant steady-state error when tracking a ramp reference input, the condition that DC(s) must satisfy is that its DC gain (evaluated at s = 0) is nonzero.
In other words, DC(0) should not equal zero.
This condition ensures that the system has a non-zero steady-state response to a ramp input, allowing it to accurately track the desired slope without accumulating an error over time.
A non-zero DC gain implies that there is a non-zero steady-state output even for a constant input, which is necessary to achieve constant steady-state error when the input is a ramp signal.
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Briefly explain thermal expansion using the potential energy–versus–interatomic spacing curve.
As the temperature of the material increases, the potential energy of the molecules increases. Thermal expansion occurs due to changes in temperature, and interatomic distances increase as potential energy increases.
What are the uses of Thermal Expansion?Thermal expansion is used in a variety of applications such as rail buckling, engine coolant, mercury thermometers, joint expansion, and others.
It is to be noted that an application of the concept of liquid expansion in everyday life concerns liquid thermometers. As the heat rises, the mercury or alcohol in the thermometer tube moves in only one direction. As the heat decreases, the liquid moves back smoothly.
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which type of ventilator has a pre-sent volume of air to be delivered with each inspiration?
The type of ventilator that has a preset volume of air to be delivered with each inspiration is known as a volume-cycled ventilator.
What type of ventilator delivers a predetermined amount of air with each breath?Volume-cycled ventilators are a specific type of mechanical ventilators that are programmed to deliver a fixed volume of air during each breath. These ventilators are commonly used in medical settings to provide respiratory support to patients who are unable to breathe on their own or require assistance with their breathing.
In volume-cycled ventilation, the ventilator delivers a predetermined volume of air to the patient's lungs with each breath. This volume is set by the healthcare provider based on the individual patient's needs and can be adjusted as necessary. The ventilator monitors the patient's respiratory mechanics and delivers the programmed volume of air regardless of the patient's lung compliance or resistance.
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What ensures the correct phasing of the steering column U-joints when being reassembled after servicing?
Select one:
O a. Marking steering wheel position
O b. Numbering the U-joints
O c. Match marking the steering shafts
O d. Marking miter box position
The process of phasing involves parallel alignment of the universal joint yokes on the drive shaft's two ends (also known as the double u-joint). Unless the joints are...
What do you call a double u-joint?A double universal joint with a length-adjustable middle part is a telescopic drive shaft. commonly known by the names driving shaft or cardan shaft. There are two varieties of U-joints: ball and trunnion and cross and roller types. Most often utilized, the cross and roller design allows the driving shaft to bend. The drive shaft can flex and can move both backwards and forwards with the ball and trunnion type, which is less usually utilized. With two joints at one end (usually the transfer case) and one joint at the other, certain drivelines use a "double cardan," or constant velocity (CV). As a result of the two joints splitting the angle, more
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many automobile engines have cast-iron cylinders and aluminum pistons. what kinds of problems could occur if the engine gets too hot? (the coefficient of volume expansion of cast iron is approximately the same as that of steel.)
Engines are far more likely to experience issues if their recommended temperature range is consistently exceeded. Overheating can lead to poor emissions, decreased fuel efficiency, and decreased performance.
What is automobile?Automobile, also known as a motorcar or car, is a typically four-wheeled vehicle primarily used for transporting people. It is typically powered by an internal combustion engine that burns a volatile fuel.
A passenger vehicle that does not carry passengers for employment is referred to as a "automobile." Station waggons, sedans, vans, and sport utility vehicles fall within this category.
The engine may overheat or even seize up when the coolant is low. A piston may be able to solder itself into a cylinder if the metal heats up sufficiently. Your engine is likely wrecked if this occurs.
Thus, this kind of problem can be there if engine gets too hot.
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A(n) is built only after an engineer can prove sound design through structural analysis.
Answer:
Prototype
Explanation:
How are glasses a form of technology and how do they involve engineering aspects?
Please help!!!!
Find the resultant of the force system on the body OABC as shown .find the points where the resultant will cut the X and Y axis?
Explanation:
the resultant force =
\( \sqrt{} {x}^{2} + {y}^{2} \)
A resultant force is the single force and corresponding torque that are produced when adding vectors to a system of forces and torques acting on a rigid body.
What are the resultant of the force system on the body?R = A + B. Instance 2 To create the resulting vector, two vectors facing the opposite direction are subtracted from one another. Here, the vector B is pointing in the opposite direction of the vector A, and the resulting vector is called R.
A force system is a group of forces that interact at specific locations (may also include couples). Therefore, the collection of forces shown on any free body diagram is a force system. A group of forces is simply referred to as a force system.
Therefore, When an item is under the influence of two or more forces, the combined force can be calculated by adding up the separate forces.
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Which part of a machine control unit interacts with the machine tools through electric signals?=]
A machine control unit is the electronic hardware that stores information and controls the machine tools. This unit contains a data processing unit that stores and manipulates data, and a ___________ that interacts with the machine tools through electrical signals.
Answer:
control loop unit
Explanation:
Edmentum/Plato
4. Lockout/tagout (LOTO) is a safety procedure that ensures dangerous machines are properly shut off and not started up again prior to the completion of maintenance or servicing work?
A) True
b) False
Answer:
The answer is True
Explanation:
What unit of electricity is used as a signal for a computer?
Answer:
A power supply unit (PSU) converts mains AC to low-voltage regulated DC power for the internal components of a computer. Modern personal computers universally use switched-mode power supplies
Answer:
Volt is the SI (Standard International) unit of electrical potential of the..
Explanation:
an amplifier has an input resistance of 100k a short-circuit transconductance of 10 mA/V and an output resistance of 100k. Find the open-circuit voltage gain
Answer:
The open circuit voltage gain is \(A_{vo}=-10^{3}\)
Explanation:
Given data is input resistance of an amplifier is \(R_{in}=100k\)Ω and output resistance of an amplifier is \(R_{o} =100k\)Ω.
Trans conductance of an amplifier is \(g_{m}=10mA/V\)
Thus Open circuit voltage gain is
\(A_{vo} =-g_{m}R_{o}\)
\(A_{vo}=-10\)×\(10^{-3}\)×100×\(10^{3}\)
Since 1m=\(10^{-3}\) and 1k=\(10^{3}\)
Thus,
\(A_{vo}=-1000\)
\(A_{vo}=-10^{3}\)
Compute the force in each member of the loaded cantilever truss and state whether each member is in tension or compression
A truss is a structure that is made up of a set of members that are connected to form a triangle. Trusses are often used in construction because they are able to distribute loads evenly across their structure. A cantilever truss is a type of truss that is supported by one end, and is used to span a long distance.
To compute the force in each member of a loaded cantilever truss, it is necessary to first calculate the loads that are being applied to the structure. Once the loads have been calculated, the forces in the members can be computed using the principles of statics. The force in each member can be found by using the equations of equilibrium, which state that the sum of the forces acting on an object must be equal to zero.
In addition, the sign of the force can be used to determine whether a member is in tension or compression. Members that are in tension will have a positive force, while members that are in compression will have a negative force. Overall, computing the force in each member of a loaded cantilever truss requires a solid understanding of the principles of statics and the ability to apply them to a real-world problem.
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NEED ASAP WILL GIVE BRAINLIEST IF RIGHT
Read the following claim.
Tiera Fletcher's parents supported their daughter in her endeavors.
How would Tiera Fletcher MOST likely respond to this claim?
(A) She would agree but also point to occasions where they were a little too strict and forced her to take
certain classes.
(B) She would agree and say they supported her interests and did a lot to ensure she got into special
science programs.
(C) She would disagree but also point to some instances where they attempted to show some curiosity
about her career.
(D) She would disagree and say that they were actively trying to get her to choose another field of study
other than engineering.
Answer:
(C) She would disagree but also point to some instances where they attempted to show some curiosity about her career.
If you are constructing a building where siding will be applied over the sheathing, you should use sheathing with a minimum thickness of
3/8"
1/2"
5/8"
1"
If the siding is fastened to the studs through the sheathing, the International Residential Code prescribes 3/8-inch plywood for sheathing walls with a typical stud spacing of 16 inches.
What do you mean by sheathing ?The minimum plywood thickness required by the IRC is 1/2 inch if the nails only go through the sheathing and not through the studs.
Together with the shim clearance, the jamb material thickness. A stud above a door combines the header's thickness and height, and the result is subtracted from the common stud's length. nails at intermediate studs spaced 12" apart.a piece of wood used as a support and filler between frame components. a sturdy frame set inside a concrete form to create a window or door opening. When framing a wall.A brief framing stud used to fill the space between a header and a top plate or between a sill and a soleplate in wall framing.To know more about Sheathing please click here ; https://brainly.com/question/5029827
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