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Worksheets

MLR I Semester 1 Exam

Total questions: 84

Worksheet time: 42mins

Name
Class
Date
1.

Which of the following components are found on the Four Wheel Drive (4WD), but not Rear Wheel Drive (RWD), configuration

a)

Transmission

b)

Transfer Case

c)

Rear Driveshaft

d)

Rear Differential

2.

Identify the proper order of the four strokes in a engine

a)

intake, compression, exhaust, power

b)

intake, compression, power, exhaust

c)

intake, power, construction, exhaust

d)

exhaust, compression, power, intake

3.

During the intake stroke the piston moves________

a)

up

b)

in both directions

c)

the head bolts

d)

down

4.
During the compression stroke the piston moves________
a)
up
b)
in both directions
c)
the hot gasses out of the cylinder
d)
down
5.
During the power stroke the piston moves________
a)
up
b)
down slighty
c)
in both directions
d)
down
6.
During the exhaust stroke the piston moves________
a)
up
b)
in both directions
c)
the head bolts
d)
down
7.
The power stroke occurs ______percent of one complete cycle in a four stroke engine.
a)
14 %  
b)
15 %
c)
20 %
d)
25 %
8.
An event that ignites the fuel air mixture occurs between the _______stroke and the _________stroke
a)
compression and power
b)
power and intake
c)
intake and power
d)
compression and intake
9.
Select the best answer for the proper sequence for the four strokes in an internal combustion engine.
a)
compression, exhaust , power, intake
b)
compression, power, intake, exhaust
c)
exhaust, power, intake , compression
d)
exhaust, intake, compression, power
10.

What is the purpose of the Camshaft?

a)

Open and Close the Valves

b)

Open the Valves

c)

Close the Valves

d)

Other

11.

What is the purpose of the Valve springs?

a)

Open and Close the Valves

b)

Open the Valves

c)

Close the Valves

d)

Other

12.

What is the name of this component?

a)

Camshaft

b)

Connecting Rod

c)

Crankshaft

d)

Piston Head

13.

What is the name of this component?

a)

Camshaft

b)

Connecting Rod

c)

Crankshaft

d)

Piston Head

14.

What direction is the piston traveling during the Power-Stroke?

a)

Up

b)

Down

c)

Left

d)

Right

15.

Which valve train layout features a "Push Rod"?

a)

OHC

b)

DOHC

c)

OHV

d)

All of them

16.

Identify the proper order of the four strokes of an Engine

a)

intake, compression, exhaust, power

b)

intake, compression, power, exhaust

c)

intake, power, construction, exhaust

d)

exhaust, compression, power, intake

17.

Identify this part:

a)

Engine Block

b)

Cylinder Head

c)

Valve

d)

Camshaft

18.

Identify this part:

a)

Cylinder Head

b)

Crankshaft

c)

Engine Block

d)

Cylinder Bore

19.

Identify the part:

a)

Push Rod

b)

Connecting Rod

c)

Piston

d)

Tie Rod

20.

Identify the part:

a)

Camshaft

b)

Piston

c)

Valves

d)

Connecting Rod

21.

Identify the part:

a)

Exhaust Manifold

b)

Intake Manifold

c)

Muffler Pipe

d)

Header

22.

Identify the part:

a)

Exhaust Manifold

b)

Intake Manifold

c)

Air Heater

d)

Fuel Injector

23.

Identify the part:

a)

Drain Pan

b)

Valve Cover

c)

Speed Bump

d)

Oil Pan

24.

Identify the part:

a)

Oil Pan

b)

Book End

c)

Valve Cover

d)

Brake Pad

25.

Identify the part:

a)

Wheel Bearings

b)

Tire Sprocket

c)

Timing Chain and Gears

d)

Timing Belt and Wheel

26.

Identify the part:

a)

Coil Spring

b)

Rocker Arm

c)

Lifter

d)

Valve Spring

27.

Identify the part:

a)

Valve

b)

Piston

c)

Cup

d)

Bowl

28.

Identify the part:

a)

Rod Bar

b)

Pencil

c)

Connecting Rod

d)

Push Rod

29.

Name this part which is located behind the dash board

a)

Radiator

b)

Thermostat

c)

Heater Core

d)

Intercooler

30.

Name this part used to cool the coolant going into the engine

a)

Evaporator

b)

Thermostat

c)

Heater Core

d)

Radiator

31.
on s standard car and truck engine what type of cooling is used?
a)
air cooling
b)
liquid cooling
32.
In a liquid cooling system they use what?
a)
fins on the block 
b)
coolant
c)
camshaft
d)
piston
33.

The ____________ uses a pump to deliver fuel to the engine

a)

gasoline

b)

fuel system

c)

fuel filter

d)

air filter

34.

Which of the following describes power transfer on a Rear Wheel Drive vehicle

a)

The rear wheels push the vehicle forward

b)

Power is sent to the front wheels

c)

Only during heave acceleration is the power sent to the rear wheels.

d)

All of the above

35.

Which component transfers engine power to the driveline in the most efficient manner?

a)

Differential

b)

Driveshaft

c)

Transfer case

d)

Transmission

36.

Which of the following applies to a Front Wheel Drive vehicle?

a)

Often uses a transfer case

b)

Transmission is typically connected to the rear driveshaft

c)

The transmission and differential assembly are incorporated into the transaxle

d)

Uses a PTU to direct power to the rear driveshaft

37.

Which of the following applies to a Front Wheel Drive configuration?

a)

Places the heaviest components in the rear

b)

Delivers engine power to the front wheels

c)

Drivetrain components require more space

d)

All of the above

38.

Components that produce a spark to ignite the air-fuel mixture in the engine.

a)

ignition system

b)

suspension system

c)

semi-automatic transmission

39.

Electric and electronic devices that control specific vehicle systems.

a)

suspension system

b)

front-wheel-drive vehicle

c)

all-wheel drive

d)

Computer system

40.

System that consists of a battery, alternator, drive belt, voltage regulator, charge indicator, and charging harness. The job of the system is to reenergize the battery as the engine is running and provide electricity to the various vehicle electrical systems.

a)

Track width

b)

semi-automatic transmission

c)

charging system

d)

vehicle height

41.

System that uses pressure from an electric or mechanical fuel pump to spray fuel into an engine's intake manifold (multiport or manifold injection) or its combustion chambers (direct injection).

a)

gasoline injection system

b)

computer system

c)

track width

d)

air-fuel ratio

42.

Which component is NOT part of the chassis system

a)

Frame

b)

Suspension

c)

Electrical system

d)

Brakes

43.

What type of vehicle has a clutch?

a)

Automatic

b)

Manual

c)

Four Wheel Drive

d)

All Wheel Drive

44.

How many spark plugs are in a six cylinder vehicle

a)

1

b)

6

c)

8

d)

2

45.

This is a

a)

SUV

b)

van

c)

station wagon

d)

pick up truck

46.

Which one is the sports car?

a)
b)
c)
d)
47.

This is a

a)

station wagon

b)

pick up

c)

SUV

d)

van

48.

Which car is the convertible

a)
b)
c)
d)
49.

This car is a

a)

station wagon

b)

ful size sedan

c)

convertible

d)

sports car

50.

This is a

a)

minivan

b)

full size sedan

c)

SUV

d)

station wagon

51.

ASE is a mandatory certification you must receive to work in the automotive industry.

a)

True

b)

False

52.

All of the following are considered NATEF standards, EXCEPT:

a)

a.

automotive instructors must be ASE certified in the area they teach.

b)

b.

automotive instructors must attend 20 hours of technical update training each year.

c)

c.

re-accreditation of NATEF certified automotive programs occurs every 5 years.

d)

d.

all students must gain ASE certification before leaving the program.

53.

Technician A says that AYES certifies technicians. Technician B says that ASE certifications can help get you a

job. Who is correct?

a)

Technician A

b)

Technician B

c)

Both A and B

d)

Neither A nor B

54.

Technician A says AYES programs receive access to new vehicle technology. Technician B says AYES programs receive access to manufacturer service information to help prepare students for working on today's vehicles and technology. Who is correct?

a)

Technician A

b)

Technician B

c)

Both A and B

d)

Neither A nor B

55.

To diagnose and repair emission failures on vehicles in some localities, technicians must be certified by the appropriate local agency.

a)

True

b)

False

56.

A(n) ________ exposure is a short term or brief exposure that may create an immediate health hazard.

a)

a.Acute

b)

b.Chronic

c)

c.Emergency

d)

d.Short

57.

PASS stands for

a)

Panic, Alarm, Swear, Struggle

b)

Pin, Alternate, Signal, Sweep

c)

Pull, Aim, Sweep, Shoot

d)

Pull, Aim, Squeeze, Sweep

58.

You should endanger yourself when putting out a fire.

a)

True

b)

False

59.
What must employers have on hand for workers who may come in contact with hazardous chemicals?
a)
on-site safety assistance.
b)
Chemical Hotline Phone Number
c)
Chemical Sheets
d)
Safety Data Sheets (SDS)
60.
Safety Glasses should have what stamp on them to be OSHA approved?
a)
ANSI Z87
b)
ANSI B21
c)
ANSI Z85
d)
ANSI C68
61.

What is the main function of a piston in an engine?

a)

To cool down the engine.

b)

To provide electrical power to the vehicle.

c)

To transfer the force generated by the combustion of fuel to the crankshaft.

d)

To regulate the flow of fuel in the engine.

62.

What is the purpose of a crankshaft in an engine?

a)

To reduce friction in the engine.

b)

To control the flow of fuel in the engine.

c)

To generate electricity for the engine.

d)

To convert reciprocating motion into rotational motion.

63.

What is the role of a camshaft in an engine?

a)

The camshaft controls the transmission.

b)

The camshaft is responsible for generating electricity.

c)

The camshaft controls the valves.

d)

The camshaft regulates the fuel injection.

64.

What is the function of an intake valve in an engine?

a)

Regulate the temperature of the engine

b)

Allow air and fuel mixture to enter the combustion chamber

c)

Ignite the air and fuel mixture

d)

Control the flow of exhaust gases

65.

What is the purpose of an exhaust valve in an engine?

a)

To increase the engine's horsepower

b)

To supply fuel to the combustion chamber

c)

To cool down the engine

d)

To release burned gases from the combustion chamber

66.

What is the main function of a connecting rod in an engine?

a)

To connect the piston to the camshaft and control valve timing.

b)

To provide support and stability to the engine block.

c)

To regulate the flow of coolant in the engine.

d)

To connect the piston to the crankshaft and convert reciprocating motion to rotational motion.

67.

What is the role of a cylinder head in an engine?

a)

The role of a cylinder head in an engine is to seal the combustion chamber and house the valves, spark plugs, and fuel injectors.

b)

The role of a cylinder head in an engine is to generate electricity.

c)

The role of a cylinder head in an engine is to regulate the flow of coolant.

d)

The role of a cylinder head in an engine is to provide a cushion for the piston.

68.

What is the function of a timing belt in an engine?

a)

The timing belt in an engine is designed to reduce engine noise and vibration.

b)

The timing belt in an engine is used to regulate the air intake into the combustion chamber.

c)

The function of a timing belt in an engine is to synchronize the rotation of the crankshaft and the camshaft.

d)

The timing belt in an engine is responsible for controlling the fuel injection timing.

69.

What is the purpose of a fuel injector in an engine?

a)

To remove excess fuel from the combustion chamber

b)

To regulate the temperature of the engine

c)

To increase the air intake in the combustion chamber

d)

To deliver fuel into the combustion chamber

70.

What is the main function of a spark plug in an engine?

a)

Ignite the air-fuel mixture

b)

Control the temperature of the engine

c)

Provide lubrication to the engine

d)

Filter the air entering the engine

71.

What does the O in OSHA stand for?

a)

Orientation

b)

Occupational

c)

Optional

72.

Is OSHA a law?

a)

Yes

b)

No

73.

Which jobs would require you to have OSHA training?

a)

Burger King

b)

Six Flags

c)

Kentucky Fried Chicken

74.

What does occupational mean?

a)

Relating to jobs

b)

Relating to school

c)

Good moral character

75.

Who must comply with OSHA?

a)

Only teachers and doctors.

b)

Everyone who works at a job that requires health and safety.

76.

What does the S in OSHA stand for?

a)

Sounds

b)

Simple

c)

Safety

77.

OSHA falls into which categories?

a)

Agriculture

b)

Construction

c)

Maritime

d)

General Industry

78.

OSHA is NOT a federal law.

a)

True

b)

False

79.

Why is workplace safety important?

a)

It's not important.

b)

It keeps workers and customers safe.

c)

Only managers need to worry about workplace safety.

80.

Only companies with over 100 employees need OSHA training.

a)

True

b)

False

81.

A company with only 1 employee still needs OSHA training.

a)

True

b)

False

82.

The H in OSHA stands for....?

a)

Health

b)

Happiness

c)

Heat

83.

Which is an example of being healthy at work?

a)

Never making a mistake at work.

b)

Working everyday of the week.

c)

Washing your hands after using the bathroom.

84.

People who break OSHA laws risk.....?

a)

Getting a promotion at work.

b)

Being fired from your job.

c)

Getting suspened from school.