Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Chapter 3, Problem 6MC
All these statements about energy and energy conversion are true, except
- thermal energy may be defined as light energy
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When you are using a fan ___________________ energy is converted into ________________ energy
Electrical; Mechanical
Electrical; Light
Mechanical; Electrical
Light; Mechanical
Which of the following is not a true statement about heat transfer?
a. Whenever the temperature of something changes, a transfer of heat has occurred.
b. Conduction is the transfer of heat by infrared rays.
c. Light bulbs are examples of heat transfer by radiation.
d. Convection occurs when a hot object moves to an area with less heat.
select the incorrect statement
a. work and heat transfer represent energy crossing a boundary.
b. differential of work and heat transfer are exact.
c. work and heat transfer are path integral.
d. net work and net heat transfer are equal for a cycle.
Chapter 3 Solutions
Automotive Technology
Ch. 3 - Describe Newtons first law of motion and give an...Ch. 3 - In what four states does matter exist? Cite...Ch. 3 - Explain Newtons second law of motion and give an...Ch. 3 - Describe five different forms of energy.Ch. 3 - Describe four different types of energy...Ch. 3 - Explain why a rotating, tilted wheel moves in the...Ch. 3 - Why are gases and liquids considered fluids?Ch. 3 - Describe how out-of-balance forces can affect the...Ch. 3 - Describe the effect of pressure on an enclosed...Ch. 3 - Explain why elastic mounts are used to connect the...
Ch. 3 - Name three types of simple machines.Ch. 3 - The nucleus of an atom contains andCh. 3 - Prob. 2FITBCh. 3 - When one object is moved over another object, the...Ch. 3 - Weight is the measurement of the earths on an...Ch. 3 - Torque is a force that does work with a action.Ch. 3 - Vacuum is defined as the absence ofCh. 3 - Which of the following is the correct formula used...Ch. 3 - While discussing different types of energy:...Ch. 3 - While discussing friction in matter: Technician A...Ch. 3 - While discussing mass and weight: Technician A...Ch. 3 - When applying the principles of work and force,...Ch. 3 - All these statements about energy and energy...Ch. 3 - Which of the following is not a true statement...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- An electric fan transforms _____________ energy into _____________ energy. Electrical; Heat Electrical; Mechanical Heat; Mechanical Mechanical; Electricalarrow_forwardChoose the correct statement a)There are only 2 types of energy transfer that can cross the boundary of the itself b)Specific volume shows mass per unit volume c)Mass and temperature are extensive properties d)Zeroth law of thermodynamics is the basis for pressure measuring devices e)Nonearrow_forwardWhich of the following statements is true a. Heat and work are thermodynamics functions. b. The 1st law of thermodynamics states that the energy of the universe is conserved. c. A frictional pendulum is an example of a reversible process d. Enthalpy and entropy are path dependent Explain it on a paper neat and clean correctly pleasearrow_forward
- True or false thermal energy moves from a colder region of an object to a hotter regionarrow_forwardA furnace is rated at 30,000 Btu per hour. How many foot-pounds of energy are released by the furnace in 4 h? (1 Btu = 778 ft • Ib) ft • Ibarrow_forward[24] Which of the following statement(s) is/are correct? I. The “action” and “reaction” forces are in the same direction. II. The “action” and “reaction” forces act on different bodies. III. The “action” and “reaction” forces are exerted by the same object. IV. The “action” force is sometimes greater than the “reaction” force. I and II only I and III only II only none of the given choices IV onlyarrow_forward
- Define Potential energy.arrow_forwardConvert the total kilowatts per year for all appliances into equivalent amounts (pounds) of oil burned to generate this energy. (It takes about 5.4 pounds of fuel oil to generate one kilowatt of energy. So, pounds of fuel oil per year = kilowatts per year * 5.4) __________________ Pounds fuel oil per yeararrow_forwardThe moment arm is defined as a. the distance from the point of application of a force to a specified axis of rotation b. the distance from the line of action of a force to a specified axis of rotation c. the perpendicular distance from the line of action of a force to a specified axis of rotation d. all of the above e. none of the above this is for biomechanicsarrow_forward
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