Deck 2: Basic Theories

Question 1

Dynamic balance refers to the balance of a wheel and tire on the inside and outside of the rim.

Answer 1

True

Question 2

Energy in motion may be referred to as potential energy.

Answer 2

False

Question 3

When gasoline burns, mechanical energy is released.

Answer 3

False

Question 4

As altitude increases above sea level, atmospheric pressure increases proportionally.

Question 5

An object at rest has static inertia.

Question 6

Thermal energy is produced by:

A) Heat
B) Light
C) Splitting atoms
D) Moving electrons

Question 7

All of the following statements about energy are true EXCEPT:

A) Thermal energy may be defined as light energy
B) Chemical to thermal energy conversion occurs when gasoline is burned
C) Mechanical energy is defined as the ability to do work
D) Mechanical to electrical energy conversion occurs when the engine drives the alternator

Question 8

When applying the principles of work and force:

A) No work is accomplished when an object is stopped by mechanical force
B) If a 50-pound object is moved 5 feet, 250 ft-lb of work is produced
C) Work is produced when a force moves a certain mass a specific distance
D) All of the above

Question 9

Newton's first law of motion states that a body in motion wants to remain at rest and a body at rest wants to stay in motion.

Question 10

Chemical energy is required to move electrons through an electrical circuit.

Question 11

When a force moves a certain mass a specific distance, work is produced.

Question 12

Torque is a force that accomplishes work by:

A) A grinding action
B) A twisting action
C) An explosive force
D) A pushing action

Question 13

The alternator is driven by mechanical energy and converts this energy into:

A) Radiant energy
B) Chemical energy
C) Electrical energy
D) Thermal energy

Question 14

Pressures below atmospheric pressure may be found in:

A) An engine oil pump
B) An emission system air pump
C) A hydraulic brake system
D) An intake manifold

Question 15

All of the following statements about Newton's Laws of Motion are true EXCEPT:

A) A body's acceleration is directly proportional to the force applied to it
B) A body moves in an arc away from the force acting upon the object
C) For every action there is an equal and opposite reaction
D) A body in motion remains in motion unless an outside force acts on it

Question 16

Work is accomplished during all of these conditions EXCEPT:

A) When a mechanical force is applied to an object, but the object does not move
B) When mechanical force redirects an object in motion
C) When a mechanical force starts an object in motion
D) When a mechanical force stops an object in motion

Question 17

All of the following are forms of energy EXCEPT:

A) Mechanical energy
B) Hydro energy
C) Chemical energy
D) Electrical energy

Question 18

An internal combustion engine converts chemical energy in the gasoline to thermal energy.

Question 19

When force is applied to an object, all of these conditions related to the object indicate that work has been accomplished EXCEPT:

A) Lifted
B) Slid
C) Redirected
D) Stationary

Question 20

Gases and liquids are both compressible.

Question 21

An improper static wheel balance will cause a wheel to do what while driving the vehicle?

Question 22

Weight may be defined as the measurement of the earth's what on an object?

Question 23

When an engine is running, the alternator converts:

A) Mechanical energy to electrical energy
B) Electrical energy to mechanical energy
C) Chemical energy to electrical energy
D) Thermal energy to mechanical energy

Question 24

Explain how temperature affects gas volume.

Question 25

When working with gases and liquids:

A) Temperature does not affect gas volume
B) Pressure is applied unevenly to the inside of a container surface
C) Gases are not compressible
D) Liquids are not compressible

Question 26

What will reducing a vehicle's coefficient of drag improve?

Question 27

Define Newton's Second Law of Motion.

Question 28

What is torque?

Question 29

Provide an example of Newton's First Law of Motion in automotive theory.

Question 30

What alignment angle is formed if the tire pivot point is behind the true vertical centerline of the tire and wheel assembly?

Question 31

Explain what is meant by dynamic balance.

Question 32

How is work mathematically calculated?

Question 33

When applying the principles of torque and horsepower:

A) Torque is calculated by multiplying force X distance
B) Torque is a force that does work with a twisting or turning motion
C) Horsepower is a measurement for the rate, or speed, at which work is done
D) All of the above

Question 34

When applying the principles of atmospheric pressure and vacuum:

A) Vacuum is pressure greater than atmospheric pressure
B) A perfect vacuum is 30 in. Hg
C) When air becomes colder, it expands and becomes lighter
D) Atmospheric pressure at sea level is 14.7 psi

Question 35

When applying the principles of wheel balance:

A) Improper dynamic wheel balance causes even wear on one side of the tire tread
B) Static imbalance causes a tire wobble
C) Static imbalance causes a tire hop or tramp
D) Proper dynamic wheel balance occurs when weight is distributed equally around the tire and wheel circumference

Question 36

Energy may be defined as the ability to do what?

Question 37

What is the resistance to motion called when one object is moved over another?

Question 38

What type of balance is achieved if the weight in a tire and wheel is distributed equally in relation to the tire centerline viewed from the front?

Question 39

Describe static inertia and dynamic inertia.

Question 40

What does Newton's third law of motion state?

Question 41

Technician A says a dial indicator may be used to measure brake rotor thickness. Technician B says a micrometer may be used to measure brake rotor runout. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 42

Torque sticks are calibrated to twist at a specific torque.

Question 43

Technician A says an accurate wheel alignment may be performed on a vehicle with worn front lower control arm bushings. Technician B says a wheel alignment should be performed before adjusting the front and rear curb riding height. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 44

One of the most important parts of a technician's job is diagnosing automotive problems.

Question 45

Technician A says a scan tool may be used to retrieve diagnostic trouble codes (DTCs) in a computer-controlled suspension system. Technician B says on OBD II equipped vehicles the scan tool is connected to a data link connector (DLC) under the dash. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 46

When using a tire tread depth gauge, measurements should be taken at three or four locations around the tire's circumference.

Question 47

Technician A says when using an electronic wheel balancer, clean all the mud from the wheel before attempting to balance the wheel and tire. Technician B says to leave all the old wheel weights on the wheel before attempting to balance the wheel and tire. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 48

Technician A says the gas tank should be full before performing a wheel alignment. Technician B says excessive steering wheel free play should be corrected before a wheel alignment. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 49

A dial indicator is used to torque wheel lug nuts.

Question 50

Technician A says that a scan tool should be disconnected from the DLC with the ignition switch on. Technician B says that on some computer-controlled air suspension systems, the scan tool may be used to command the computer to fill and vent each air spring. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 51

Front bearing hub tools are not required if you own a good quality chisel set and a large hammer.

Question 52

The U.S. customary system of measurement is commonly referred to as the metric system.

Question 53

Technician A says that during a diagnostic procedure, the customer complaint must be identified. Technician B says that during a diagnostic procedure, a visual inspection should be done. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 54

The power steering belt tension must be checked before testing power steering pump pressure.

Question 55

Safety stands are not required if you have a new floor jack in good working condition.

Question 56

Every unit in the metric system can be divided or multiplied by 10.

Question 57

Technician A says when following a service procedure in a service manual, certain basic steps in the procedure may be skipped. Technician B says if a specification cannot be located quickly in the service manual, guess at the specification from your own experience. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 58

The specified vehicle lift points can be found in a service manual.

Question 59

Technician A says when removing a coil spring from a strut, some spring tension may be left on the upper strut mount before loosening the strut rod nut. Technician B says when installing a spring compressor tool on an enamel-coated coil spring, tape the coil spring in the tool contact area. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 60

Technician A says a technician must pass a recertification test every three years to remain ASE certified. Technician B says that to receive a Master Technician's certification, a technician must pass all eight ASE automotive certification tests. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 61

The tool shown in this figure is a:

A) Digital volt-ohm meter
B) Scan tool
C) Lab scope
D) Voltmeter with waveform capabilities

Question 62

In many shops, technicians are compensated based on the amount of work they produce. What is this pay system called?

Question 63

What type of noise from a power steering pump may indicate air in the power steering system?

Question 64

The tool in this figure is being used to:

A) Compress a control arm bushing
B) Compress a coil spring
C) Compress a shock absorber
D) Compress a jounce bumper

Question 65

On an OBD II-equipped vehicle, how can you identify a generic chassis diagnostic trouble code?

Question 66

The tool shown in this figure is a:

A) Ball joint removal tool
B) Tie-rod sleeve adjustment tool
C) Brake line loosening tool
D) Idler arm removal tool

Question 67

The pieces of equipment in this figure may be used to measure:

A) Front wheel toe-in
B) Front wheel toe-out
C) Steering axis inclination (SAI)
D) Turning radius

Question 68

When testing power steering pump pressure, what is the maximum amount of time that the power steering gauge valve should be closed?

Question 69

How many characters does an OBD II diagnostic trouble code (DTC) contain?

Question 70

What is a dial indicator?

Question 71

What information can a scan tool display for the service technician?

Question 72

How are the proper lift points of a vehicle determined?

Question 73

What is the employer's obligation under "Right-to-Know" laws?

Question 74

What is the first step in diagnosing a vehicle operational problem?

Question 75

List 10 general pieces of information a repair order often contains.

Question 76

Explain the term productivity in relation to a technician working in an automotive shop.

Question 77

What are torque sticks?

Question 78

Technician A says service information is available on CDs or DVDs. Technician B says  automotive service information can be Web-based.  Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 79

What is the best tool to use to measure the amount of movement in a ball joint?

Question 80

When using an electronic wheel balancer what information must be entered in the balancer?