The use of the final keyword in variables, methods, classes, and constructors is to indicate that they have certain restrictions or limitations. The correct explanations for each are as follows:
1. Final Variable: A final variable is one that cannot be modified or reassigned once it is initialized. Its value remains constant throughout the program.
2. Final Method: A final method is a method that cannot be overridden by any subclass. Once a method is declared as final in a superclass, it cannot be modified or overridden in any of its subclasses.
3. Final Class: A final class is a class that cannot be inherited or extended by any other class. It serves as the final implementation of a class and cannot be subclassed.
4. Final Constructor: The final keyword is not applicable to constructors. Constructors are not inherited, so there is no need to mark them as final.
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If sin 0-cos 0 = -1/3, what is the value of sin 20?
Sin 20 degrees has a value of 0.3420201. Sin (20° /180°), often known as sin (/9) or sin 20 degrees, is expressed in radians (0.349065. . .). With the use of examples, we will go over how to calculate sin 20 degrees in this post.
What does Sin 20 Degrees Mean?Sin 20 degrees has a numeric value of 0.342020143. Sin 20 degrees can also be written as the angle (20 degrees equivalent )'s in radians (0.34906 . . .).Using the degree to radian conversion, we can determine that 20 degrees is equal to 20° (pi/180°) and that rad = /9 or 0.3490.Sin 20° is equal to sin(0.3490) = 0.3420201.Explanation of Sin 20 Degrees: The angle 20° is between 0° and 90° for sin 20 degrees (First Quadrant). Sin 20° value = 0.3420201 because sine function is positive in the first quadrant.Sine is a periodic function, therefore we may write sin 20° as sin(20° + n 360°), where n Z. Sine 20° also equals sin 380°, sin 740°, and so on.Note: Because sine is an odd function, sin(-20°) equals -sin(20°).To Learn more about Sin 20 refer to :
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The output stage of a TTL gate is a special design called
a. multiemitter b. totem-pole.
c. MSI d. DIP.
The output stage of a TTL gate is a special design called DIP. the reduction in propagation delay caused by the addition of an active pull-up circuit at the gate's output.
What is TTL gate?A logic family made up of BJTs is called the Transistor-Transistor Logic (TTL) (bipolar junction transistors). The transistor performs two tasks, including logic and amplification, as its name would imply. The 7402 NOR Gate and the 7400 NAND Gate are two of the greatest logic gates used in TTL applications.Using bipolar transistors to control direct-current pulses, transistor-transistor logic (TTL) is a type of digital logic system. Typically, a single integrated circuit will have many TTL logic gates (IC). Typically, four-digit TTL ICs have numbers that start with 74 or 54.To a TTL inverter circuit, an additional input can be added to create a TTL NAND gate. It is possible to turn a NAND gate circuit's output into an AND gate by including an inverter step.To learn more about TTL gate refer to:
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Select a movement with which you are familiar and list at least five questions that you, as a movement analyst, might ask the performer of the movement to gain additional knowledge about a performance
A movement that I am familiar is a religious movement known as Heavenly conscious movement and the things i want them to gain additional knowledge about a performance on:
The right way to live.The right way to pray.Becoming closer in our walk with God.Becoming closer in our work with God.Helping others to see the light.What in history is a movement?A movement is known to be one that make use of planning as well as unpredictability. The movement is one that is given identity, leadership, as well as coordination by one or more organizations.
Therefore, A movement that I am familiar is a religious movement known as Heavenly conscious movement and the things i want them to gain additional knowledge about a performance on:
The right way to live.The right way to pray.Becoming closer in our walk with God.Becoming closer in our work with God.Helping others to see the light.Learn more about religious movements from
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a wrench used to measure resistance while applying a twisting force using a common socket, and whose values are stated in inch-pounds or foot-pounds, is called a
A wrench used to measure resistance while applying a twisting force using a common socket, and whose values are stated in inch-pounds or foot-pounds, is called a; Torque wrench.
The features of the wrench are given as;
Measurement of resistance Applying a twisting force via a common socketValues are in inch pounds or foot poundsThe correct answer is Torque wrench because a torque wrench is simply a tool that is used to apply a particular torque to a fastener such as a bolt.
Finally, this torque wrench is modeled in form of a socket wrench with some special internal mechanisms and their values are measured in inch pounds or foot pounds.Read more about wrenches at; https://brainly.com/question/15755085
g ) Water is the working fluid in an ideal regenerative Rankine cycle with one closed feedwater heater. Superheated vapor enters the turbine at 16 MPa, 560 oC, and the condenser pressure is 8 kPa. The cycle has a closed feedwater heater using extracted steam at 1 MPa. Condensate drains from the feedwater heater as saturated liquid at 1 MPa and is trapped into the condenser. The feedwater leaves the heater at 16 MPa and a temperature equal to the saturation temperature at 1 MPa. The mass flow rate of steam entering the first-stage turbine is 120 kg/s. Determine (a) the net power developed, in kW.
Answer:
146494 kw
Explanation:
Given data:
Turbine inlet pressure ( p1 ) = 16 MPa
Turbine inlet temperature ( T1 ) = 560°C
condenser pressure : P3 = 8Kpa
Extracted steam at pressure ( P2 ) = 1 MPa
mass flow rate of steam ( m ) = 120 kg/s
a) The net power developed
= 146494 kw
note: values of h1, h2, y, Wp are all calculated values not included in the solution to make the solution less cumbersome.
A transparent film is to be bonded onto the top surface of a solid plate inside a heated chamber. For the bond to cure properly, a temperature of 70°C is to be maintained at the bond, between the film and the solid plate. The transparent film has a thickness of 1 mm and thermal conductivity of 0.05 W/m·K, while the solid plate is 13 mm thick and has a thermal conductivity of 1.2 W/m·K. Inside the heated chamber, the convection heat transfer coefficient is 70 W/m2·K. If the bottom surface of the solid plate is maintained at 52°C.
Required:
Determine the temperature inside the heated chamber and the surface temperature of the transparent film. Assume thermal contact resistance is negligible.
Answer:
1.) 103.23 degree centigrade
2.) 126.96 degree centigrade
Explanation:
Given that a transparent film is to be bonded onto the top surface of a solid plate inside a heated chamber. For the bond to cure properly, a temperature of 70°C is to be maintained at the bond, between the film and the solid plate. The transparent film has a thickness of 1 mm and thermal conductivity of 0.05 W/m·K, while the solid plate is 13 mm thick and has a thermal conductivity of 1.2 W/m·K. Inside the heated chamber, the convection heat transfer coefficient is 70 W/m2·K. If the bottom surface of the solid plate is maintained at 52°C.
To determine the temperature inside the heated Chamber, let us first calculate the heat transfer rate per unit area through the plate by using the formula
Heat transfer rate R = k( Tb - T2)/L
Where
k = 1.2 W/mA.K
Tb = 70 degree
T2 = 52 degree
L = 13mm = 13/1000 = 0.013m
substitute all the parameters into the formula above.
R = 1.2 x ( 70 - 52 )/ 0.013
R = 1.2 x (18/0.013)
R = 1661. 5 W/m^2
the surface temperature of the transparent film will be
Ts = Tb + (RLf/Kf)
Ts = 70 + (1661.5 x 0.001)/0.05
Ts = 70 + (1.6615)/0.05
Ts = 70 + 33.23
Ts = 103.23 degree centigrade
the temperature inside the heated Chamber will be calculated by using the formula
Ti = Ts + (R/h)
Ti = 103.23 + (1661.5/70)
Ti = 103.23 + 23.74
Ti = 126.97 degree centigrade
With respect to expanding opportunities for ICT environmental contributions, what term is associated with the issues such as LEED Certified Buildings, Smart Motors, and Industrial Robots?
Nowadays, you can link practically all of your home's appliances to a single device and operate it from anywhere. A better use of time is made possible through productivity apps.
What opportunities for ICT environmental contributions?The most pressing climatic concerns facing the globe can be addressed with the use of ICTs, which can also help with the transition to a circular economy that is much needed.
Access to biometric gadgets, food management software, and exercise routines easily leads to improved health. Communication with friends and family is simpler and less expensive.
Therefore, Additionally, they can be employed to keep track of, lesson, and adjust to climate change.
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electrical receptacles come in which two basic varieties?
Answer: straight blade and locking
Explanation: Electrical receptacles come in straight blade and locking varieties.
consider darcy's law. if a hydraulic gradient becomes steeper and conductivity increases, what happens to the rate of flow?
The rate of flow (Q) will increase, as per the formula Q = -K ˣ A ˣ (Δh/ΔL) where K and (Δh/ΔL) are increasing, leading to an increased product (K ˣ (Δh/ΔL)) and hence, an increased rate of flow.
According to Darcy's Law, if the hydraulic gradient becomes steeper and the conductivity increases, what happens to the rate of flow?According to Darcy's Law, if the hydraulic gradient becomes steeper and the conductivity increases, the rate of flow will also increase.
Darcy's Law is defined as: Q = -K ˣ A ˣ (Δh/ΔL), where:
Q = rate of flow
K = hydraulic conductivity
A = cross-sectional area of flow
Δh = change in head (or hydraulic head difference)
ΔL = distance between the two points
The hydraulic gradient (Δh/ΔL) represents the slope of the hydraulic head or the driving force for fluid flow. When the hydraulic gradient becomes steeper, the value of (Δh/ΔL) increases.
Additionally, when the conductivity (K) increases, it means the porous medium allows fluid to flow more easily.
Since both the hydraulic gradient and conductivity are increasing, their product (K ˣ (Δh/ΔL)) will also increase, leading to an increased rate of flow (Q) according to Darcy's Law.
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Which statement best describes how power and work are related?
O A. Power is the ability to do more work with less force.
O B. Power is a measure of how quickly work is done.
O C. Power and work have the same unit of measurement
O D. Power is the amount of work needed to overcome friction.
Pls answer quick
B
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Compute: z=∣y∣ ∣x∣
Ex: If the input is 2.04.0, then the output is: 16.0 #include #include #include using namespace std; int main() I double x; double y; double z; cin >x; cin ≫y; z=fabs(y,x); cout ≪ fixed ≪ setprecision(1); // setprecision(1) outputs z with 1 decimal place. cout ≪
Given:To Compute the absolute value of the product of two inputs. The input values are x and y.The output values is z.Solution: Absolute value means to remove the negative sign of the value and make it positive.
Absolute value of x is denoted by |x|.Absolute value of y is denoted by |y|.Absolute value of x*y = |x|*|y|.The mathematical formula of Absolute value of x*y = |x|*|y|.The mathematical formula of absolute value is given as-If x is greater than 0 then the absolute value is xIf x is less than 0 then the absolute value is -x.
We have to find the absolute value of x*y. So we can use the formula of absolute value of x*y = |x|*|y|We are given two inputs in the program i.e x and y.The absolute value of x is computed using function fabs(x).The function fabs(x) takes one parameter i.e x and returns the absolute value of x.
The absolute value of y is computed using function fabs(y).The function fabs(y) takes one parameter i.e y and returns the absolute value of y. The absolute value of x*y is computed by z=fabs(x*y).
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FILL THE BLANK.
question 3 a(n) __________ license allows authors to set conditions for the free use and distribution of their work.
The Correct answer is A(n) open-source license allows authors to set conditions for the free use and distribution of their work.
An open-source license is a legal instrument that grants permission to individuals or organizations to use, modify, and distribute software or creative works. This type of license promotes collaboration and encourages the sharing of knowledge and innovations. Open-source licenses provide specific terms and conditions that outline the rights and responsibilities of users, ensuring that the original authors' intentions are respected.
Open-source licenses have played a pivotal role in the growth of the open-source movement, which fosters a culture of transparency, collaboration, and community-driven development. By granting freedoms to users, such licenses enable a wide range of individuals and organizations to benefit from and contribute to the development of software and creative works.
Open-source licenses have been adopted by numerous projects and communities worldwide, leading to the creation of robust ecosystems, increased innovation, and the democratization of technology. The use of open-source licenses has facilitated the development of renowned software projects like Linux, Apache, and MySQL, while also promoting the sharing and dissemination of knowledge in various fields
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list 3 appliances each of the following
soil
waste
Answer:
soil>>Slop sink
>Urinal
>water closet
FILL THE BLANK.
since thermocouples produce such low voltages, they are often connected in series. this connection is referred to as a(n) _____.
Thermocouples are temperature sensors that generate a voltage when there is a difference in temperature between two junctions. However, the voltage produced by one thermocouple is usually very small - typically only a few millivolts. To increase the output voltage, multiple thermocouples can be connected together in series.
This connection of multiple thermocouples in series is referred to as a "thermopile". A thermopile consists of several thermocouples connected in series, with each thermocouple adding its small voltage to the overall output voltage. The result is a higher voltage signal that is more easily measured by instruments or controllers.
The use of a thermopile has several advantages over using a single thermocouple. First, it provides a larger voltage signal, which makes it easier to measure accurately. Second, a thermopile can be more sensitive to changes in temperature than a single thermocouple. Finally, since a thermopile generates a higher voltage signal, it can be used over longer distances without suffering from signal degradation.
In summary, connecting thermocouples in series to form a thermopile is a common technique for increasing the voltage output of these temperature sensors. This method allows for more accurate and sensitive measurements, making it useful in a wide range of applications, including industrial process control, laboratory research, and environmental monitoring.
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Technician a says you may replace a fusible link with a larger gauge wire. technician b says a burned-out fuse indicates a larger-rated fuse should be used. who is correct?
Based on the information provided by these technicians, the correct answer is that: D) Neither Technician A nor Technician B.
The components of an electrical circuit.Generally, an electrical circuit comprises the following electrical components:
ResistorsCapacitorsBatteriesTransistorsSwitchesElectrical wiresFuseFusible linkWhat is a fusible link?A fusible link can be defined as a type of electrical component which comprises a wire or fusible alloy strip that's attached to two (2) connectors, so as to serve as an electrical safety device.
Based on the information provided by these technicians, we can reasonably and logically deduce that neither Technician A nor Technician B is correct because a fusible link should not be replaced with a larger gauge wire and a burned-out fuse indicates that a new fuse of same rating should be used.
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Complete Question:
Technician A says you may replace a fusible link with a larger gauge wire. Technician B says a burned-out fuse indicates a larger-rated fuse should be used. Who is correct?
A) Technician A only
B) Technician B only
C) Both Technician A and Technician B
D) Neither Technician A nor Technician B
The velocity field is given by V(x,y,z,t)=10x2i^−20xyj^+100tk^( m/s) a) The velocity of the particle at x=1 m,y=2 m, and t=0.1 s. b) The acceleration at the same location and time
a. The velocity of the particle under the conditions is 10i - 40j + 10k m/s
b. The acceleration of the particle at the same location and time is 100km/s²
What is the velocity of the particle at the given positions?a) To calculate the velocity at the given positions;
Let's plug the given values into the velocity equation
x = 1, y = 2, and t = 0.1 into the equation, we get:
V(1, 2, 0, 0.1) = 10(1)²i - 20(1)(2)j + 100(0.1)k
V(1, 2, 0, 0.1) = 10i - 40j + 10k m/s
The velocity of the particle at the position of x = 1, y = 2 and t = 0.1 will be 10i - 40j + 10k m/s
b) The acceleration can be obtained by taking the time derivative of the velocity field.
The given velocity field is V(x, y, z, t) = 10x^2i - 20xyj + 100tk.
Taking the derivative with respect to time (t), we get:
a = dV/dt = 0i + 0j + 100k
Therefore, the acceleration at the same location and time is 0i + 0j + 100k m/s².
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Who is Mario and Luigi
Answer:
they are fictional characters featured in video games etc
Answer: Mario and Luigi are game characters, which feature in the Super Mario Maker series, the Paper Mario series, but most notably, the Super Mario Bros. series. Mario debuted in Donkey Kong (1981), while Luigi debuted in Mario Bros (1983, not to be confused with Super Mario Bros, which released two years after Mario Bros).
1. Lift swing arm restraints are to be used only by non-experienced
employees, because they will prevent the vehicle from falling.
O
True
False
how many rotations of the crankshaft are required to complete each stroke of a four-stroke cycle engine?
If a transformer is operated at rated frequency but voltage higher then the rated value, how do you expect the following quantities to change:-
A) No-load current.
B) Hysterics loss.
C) Eddy current loss.
2. The moist weight of 0.1 ft3 of soil is 12.2 lb. If the moisture content is 12% and the specific gravity of soil solids is 2.72, determine the following: a) dry unit weight, b) void ratio, c) porosity, d) degree of saturation, and e) volume occupied by water.
The answers to dry unit weight, void ratio, porosity, degree of saturation, volume occupied by water are respectively;
γ_d = 108.93 lb/ft³; e = 0.56; n = 0.36; S = 0.58; V_w = 0.021 ft³
Calculation of Volume and Weight of soil
We are given;
Moist weight; W = 12.2 lb
Volume of moist soil; V = 0.1 ft³
moisture content; w = 12% = 0.12
Specific gravity of soil solids; G_s = 2.72
A) Formula for dry unit weight is;
γ_d = γ/(1 + w)
where γ_w is moist unit weight as;
γ_w = W/V
γ_w = 122/0.1 = 122 lb/ft³
Thus;
γ_d = 122/(1 + 0.12)
γ_d = 108.93 lb/ft³
B) Formula for void ratio is;
e = [(G_s * γ_w)/γ_d] - 1
e = [(2.72 * 122)/108.93] - 1
e = 0.56
C) Formula for porosity is;
n = e/(1 + e)
n = 0.56/(1 + 0.56)
n = 0.36
D) Formula for degree of saturation is;
S = (w * G_s)/e
S = (0.12 * 2.72)/0.56
S = 0.58
E) Volume occupied by water is gotten from;
V_w = S*V_v
where;
V_v is volume of voids = nV
V_v = 0.36*0.1
V_v = 0.036 ft³
Thus;
V_w = 0.58 * 0.036
V_w = 0.021 ft³
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We have a credit charge that is trying to process but we do not remember signing up and email login is not working? Is there a way to check?
Answer:
Yes
Explanation:
In such a case, one way to check the credit charge is to contact your bank, doing so would allow the bank to check your account properly to determine where the transaction was originated from.
Another way you could check is to contact the online merchant where such a transaction was initiated.
which structures contain voltage gated sodium channels and conduct action potentials bsc 2011
Voltage-gated sodium channels are found in axons of neurons and muscle cells, conducting action potentials and allowing for rapid transmission of electrical signals.
Voltage-gated sodium channels are specialized protein structures that are embedded in the membranes of the axons of neurons and muscle cells. These channels are responsible for generating and conducting action potentials, which are rapid changes in the membrane potential of the cell that allow for the transmission of electrical signals over long distances.
When a neuron or muscle cell is at rest, the voltage-gated sodium channels are closed, preventing the flow of sodium ions into the cell. However, when an electrical stimulus is applied to the cell, the voltage across the membrane rapidly depolarizes, causing the voltage-gated sodium channels to open. This allows positively charged sodium ions to rush into the cell, further depolarizing the membrane and triggering an action potential.
As the action potential spreads down the length of the axon, it triggers the opening of voltage-gated sodium channels in adjacent regions of the membrane, allowing the electrical signal to propagate rapidly down the entire length of the axon. This allows for the rapid transmission of electrical signals between neurons or from neurons to muscles, enabling a variety of complex physiological functions such as movement, sensation, and thought.
Overall, voltage-gated sodium channels play a critical role in the functioning of the nervous and muscular systems, allowing for the rapid transmission of electrical signals over long distances and enabling the complex behaviors and functions that characterize these systems.
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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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explain why the results of the charpy test cannot be used for structural design and how it can be avoided
The lowest temperature that can be tolerated before Charpy impact testing must be performed is determined using the Minimum Design Metal Temperature (MDMT).
What are the drawbacks of the Charpy test?
Due to its tiny size, blunt notch, and total energy measurement, the Charpy V-notch impact test has limitations (i.e., no separation of initiation and propagation components of energy). Nonetheless, this test is frequently utilized because it is affordable and straightforward to carry out.
Why would one perform a Charpy test?
In accordance with standard test procedure ASTM D6110 [7], the Charpy impact test is used to assess a material's resistance to breaking due to flexural shock. It shows how much force is required to sever typical test specimens under particular specimen, mounting, notching, and pendulum settings.
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What do organizations install to detect and stop cyberattack threats at the point of attack? a) biometric technologies Oь) spyware malware detection software c) disaster recovery plans d) backup protocols Question 50 (1.67 points) is a large set of nottraditional data that may be used to gain meaningful business insights or predict significant business events a) Business Intelligence b) Hot data c) Big data d) A virtual sandbox
Organizations install spyware malware detection software to detect and stop cyberattack threats at the point of attack.
To detect and stop cyberattack threats at the point of attack, organizations often install spyware malware detection software. This type of software is specifically designed to identify and remove any malicious software that may be attempting to infiltrate a company's network. By using this technology, organizations can quickly respond to cyber threats and prevent them from causing any damage to their systems or data. Additionally, implementing disaster recovery plans and backup protocols can help organizations quickly recover from any attacks that do occur. As for the second question, the large set of non-traditional data that may be used to gain meaningful business insights or predict significant business events is called big data.
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Most technicians install rebuilt or new power steering pumps rather than overhauling the defective unit in the shop. True or False?
Answer:
Most technicians install rebuilt or new power steering pumps rather than overhauling the defective unit in the shop.
True
Explanation:
It has been established that most technicians, instead of overhauling the defective power steering pumps, prefer to install rebuilt or revamped pumps or even new pumps when they could have overhauled the unit themselves. Some are afraid that leakage could occur again. They are not confident enough to do the overhauling in-house or some claim that they do not have the time and other tools to carry out the overhauling. Acknowledgedly, overhauling a power steering pump is not a job for the novice. They require experienced and skilled hands to do the hard work.
what is a plaster ratio?
a 0.86-in.-thick rectangular alloy bar is subjected to a tensile load p by pins at a and b as shown. the width of the bar is w= 2.4 in. Strain gages bonded to the specimen measure the following strains in the longitudinal (x) and transverse (y) directions:
εx = 690 με and εy = -234 με.
(a) Determine Poisson’s ratio for this specimen.
(b) If the measured strains were produced by an axial load of P = 38 kips, what is the modulus of elasticity for this specimen?
For this specimen, the Poisson's ratio is -0.339, and the elastic modulus is about 15.8 Mpsi.
By strain, what do you mean?An act of strain or the state of being strained, such as: extreme tension of the body or mind. additionally: a force, factor, or element creating such strain. bodily harm brought on by excessive strain, effort, or use.
What are the different sorts of strain?When a pressure is placed on the body, tension is defined as the link between the change in dimension and the original dimension. There are various strain types, including volumetric strain, shear strain, lateral strain, and longitudinal or normal strain.
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The term
refers to using more than one method to join structural body parts on a vehicle.
a. plasma arc cutting
c. brazing
b. hybrid bonding
d. soldering