Deck 2: Drivetrain Theory Special Tools and Procedures

Question 1

Which scenario is an example of electrical to mechanical energy conversion?

A) the generator charging the battery
B) the rear window defroster
C) power window operation
D) spark plugs igniting the air/fuel mixture

Answer 1

C

Question 2

A 2000 pound car compared to a 4000 pound car, traveling at the same speed, will have how much momentum?

A) the same momentum as the 4000 pound car
B) twice the momentum of the 4000 pound car
C) one-half of the momentum of the 4000 pound car
D) one-fourth of momentum of the 4000 pound car

Answer 2

C

Question 3

A(n) _____ is an atom or molecule which has lost or gained one or more electrons.

A) element
B) oxide
C) ion
D) neutron

Answer 3

C

Question 4

The tendency of a body at rest to stay at rest, or a body in motion to stay in motion, is known as _____.

A) Watt's law
B) Newton's first law
C) Newton's second law
D) Hertz's law

Question 5

Matter is anything that occupies space and exists as a gas, liquid, or solid.

Question 6

To determine the circumference of a tire, a technician needs to multiply the tire diameter by _____.

A) 3.281
B) 3.14
C) 2.2
D) the tire's thickness

Question 7

Mass and weight mean the same thing.

Question 8

A substance with only one type of atom is called a molecule.

Question 9

A catalyst is a substance that is consumed during a chemical reaction.

Question 10

_____ refers to an ionized gas that has about an equal amount of positive ions and electrons.

A) Plasma
B) Element
C) Solution
D) Permeable substance

Question 11

_____ states that when a force acts on an object, the motion of the object will change.

A) Watt's law
B) Newton's first law
C) Newton's second law
D) Hertz's law

Question 12

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

Question 13

A force being applied to an object requires direct contact.

Question 14

Which term refers to the smallest particle of an element in which all the chemical characteristics of the element are present?

A) neutron
B) compound
C) atom
D) proton

Question 15

Pulleys, levers, and gears can be used to increase or decrease force.

Question 16

Energy conversion occurs when one form of energy is changed into another form.

Question 17

_____ force tends to pull the object toward the center of the circle, whereas _____ force tends to push the object away from the center.

A) Centripetal; centrifugal
B) Centrifugal; centripetal
C) Centripetal; gravitational
D) Centrifugal; balanced

Question 18

A force acting over a large area will exert more pressure than the same force acting over a small area.

Question 19

The size of a three-dimensional object is measured in dimensions of _____.

A) length, width, and height
B) length, width, and perimeter
C) length, width, and diameter
D) length, width, and circumference

Question 20

The effort is often smaller than the load because a small effort can overcome a heavy load if the effort is moved a larger distance.

Question 21

Describe two ways in which electrical energy is converted into other forms in the automobile.

Question 22

When a small gear drives a larger gear, what is the effect on the force at which the larger gear turns?

Question 23

Briefly explain two ways in which friction can be reduced.

Question 24

What is known as the "Principle of the Conservation of Energy?"

Question 25

_____ is a force that tends to rotate or turn things and is measured by the force applied and the distance traveled.

A) Power
B) Horsepower
C) Torque
D) Work

Question 26

What unit of measurement expresses the number of times a vibration occurs in one second?

Question 27

What everyday substance do we experience as three different states of matter?

Question 28

Weight is a force measured in pounds or kilograms. What is mass?

Question 29

What is the formula for calculating speed?

Question 30

Energy in motion is kinetic energy. What term refers to stored energy?

Question 31

How is an ion different than an atom?

Question 32

Briefly describe three examples of energy conversion taking place in an automobile.

Question 33

_____ says that for every action there is an equal and opposite reaction.

A) Watt's law
B) Newton's third law
C) Newton's second law
D) Hertz's law

Question 34

Briefly describe the meaning of gear ratios.

Question 35

What do scientists consider the fourth state of matter, the most common form of matter in the universe?

Question 36

How does gross vehicle weight differ from curb weight?

Question 37

One hundred pounds of force applied to a 24 inch torque wrench would provide how much torque?

A) 240 ft.lbs
B) 2400 ft.lbs
C) 200 ft.lbs
D) 240 inch pounds

Question 38

Final drive ratio is being discussed. Technician A says a transmission gear ratio of 3.63 and a final drive axle ratio of 3.52, the overall gear ratio is 7.11. Technician B says the overall gear ratio is 12.78. Who is correct?

A) A only
B) B only
C) both A and B
D) neither A nor B

Question 39

A one-inch gear is meshed with and driving a two-inch gear. Which statement is correct?

A) The driven gear will travel less distance.
B) The driven gear will turn with more force.
C) The driven gear will turn with less force.
D) The amount of work will increase.

Question 40

What is the force that slows or prevents the moving of two objects that touch?

Question 41

A foot-pound is the work or pressure accomplished by a force of one pound through a distance of one foot.

Question 42

A typical machinist's rule is based on the _____ system of measurement and has scales based on 1/8-, 1/16-, 1/32-, and 1/64-inch intervals.

A) New World
B) metric
C) Imperial
D) German

Question 43

What type of calipers are easy to read and typically can be switched for SAE or metric measurement?

A) digital calipers
B) dial calipers
C) vernier calipers
D) portable calipers

Question 44

The third character of a vehicle's VIN identifies the engine type in the vehicle.

Question 45

When tightening bolts, Newton-meters and foot-pounds are measures of _____.

A) horsepower
B) effort
C) power
D) torque

Question 46

Which character of a vehicle's VIN represents the country of origin (manufacture)?

A) the first
B) the third
C) the eighth
D) the tenth

Question 47

_____ are versatile measuring tools used for a direct reading of inside and outside diameters and depth.

A) Sliding calipers
B) Straight edges
C) Micrometers
D) Dial indicators

Question 48

NIASE retesting is necessary every three years for a technician to remain certified.

Question 49

The micrometer is unsuitable for measuring linear outside dimensions.

Question 50

_____ are a necessary part of transmission and driveline service.

A) Service manuals
B) Lifting tools
C) Jack stands
D) Power tools

Question 51

_____ tools are typically used by technicians because they have more torque, weigh less, and require less maintenance.

A) Electric
B) Battery-operated
C) Pneumatic
D) Gasoline-driven

Question 52

If a technician spends more time on a repair job than the flat rate states, he is typically compensated for the extra time spent.

Question 53

On threaded fasteners, cut threads are 30 percent stronger than rolled threads.

Question 54

What tool displays the amount of torque exerted on a bolt when pressure is applied to the tool's handle?

A) torque wrench
B) hand ratchet
C) end wrench
D) air impact gun

Question 55

The primary source of repair and specification information for any car, van, or truck is the _____.

A) vehicle owner
B) shop owner
C) parts manager
D) manufacturer

Question 56

When normal operating loads are great, gear trains are often preloaded to increase the deflection of parts.

Question 57

The twisting force used to turn a fastener against the friction between the threads and between the head of the fastener and the surface of the component is called _____.

A) twist
B) rotation
C) power
D) torque

Question 58

Technical service bulletins (TSBs) are provided to update information found in service manuals.

Question 59

Backlash is the clearance between two gears in mesh.

Question 60

While a floor jack and jack stands are acceptable, the hydraulic floor lift is the safest lifting tool for a vehicle.

Question 61

What fasteners prevent rotary motion between two parts, such as a pulley and shaft?

A) studs
B) setscrews
C) bearings
D) bolts

Question 62

List the three drive sizes for light-duty impact wrenches and two drive sizes for heavy-duty wrenches/.

Question 63

List and explain the obligations of an employee in an automotive repair shop.

Question 64

The effect on torque on a properly tightened bolt is that it will be "spring loaded" or _____.

A) torqued to stretch slightly
B) at its elastic limit
C) have stripped threads
D) preloaded

Question 65

_____ are one of the most commonly used types of fasteners, and include bolts, nuts, screws, and similar items that allow a technician to install or remove parts easily.

A) Studs
B) Threaded fasteners
C) Bearings
D) Fillets

Question 66

What type of information is contained in the VIN?

Question 67

Discuss the functions and importance of proper lubrication in transmissions and transaxles.

Question 68

What are the major components and markings of a micrometer?

Question 69

List three examples of power tools used in the shop.

Question 70

How is power furnished to power tools?

Question 71

Technician A says fatigue breaks are the most common type of bolt failure. Technician B says overtightening the bolt causes a fatigue break. Who is more correct?

A) A only
B) B only
C) both A and B
D) neither A nor B

Question 72

List three examples of basic measuring tools.

Question 73

Explain the flat rate system of technician compensation (pay).

Question 74

How is a cherry picker used by a technician in an automotive shop?

Question 75

A voluntary certification program for automotive, heavy-duty truck, auto body repair, and engine machine shop technicians is offered by _____.

A) the automotive manufacturers association
B) the NIASE
C) local OSHA Consultation Offices
D) the federal government

Question 76

What are the two basic jack designs?

Question 77

List three examples of lifting tools used in the shop.

Question 78

What are the three most common types of torque wrenches?

Question 79

How is diagnosis used in automotive repair? What are the seven steps most good technicians use in diagnosis?

Question 80

What are typical measurements made with a dial indicator?