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Ag Power - Final Exam June 2025

Total questions: 100

Worksheet time: 3585secs

Name
Class
Date
1.
PPE stands for _________  ________ ________
a)
Professional Protective Equipment
b)
Proactive  Protective Equipment
c)
Personal Protective Equipment
d)
Personal Prevention Equipment
2.

What is the Purpose of the Department of Labor and OSHA?

a)

Create regulations for private industries to follow

b)

To make working conditions better for workers

c)

To test products created to see if they are safe

d)

To allow for a free market for all companies

3.

Name this tool?

a)

sledge hammer

b)

rubber mallet

c)

wooden mallet

d)

framing hammer

4.

Which below is a English standard unit of measurement to measure how long a pencil is?

a)

Millimeter

b)

Centimeter

c)

Inches

d)

Feet

5.

When working in the shop, which below is to be considered the most important?

a)

Safety Glasses

b)

tight fitting shirt

c)

ear plugs

d)

"Defensive Driver" attitude

6.

Name the following tools?

a)

Drill Bits

b)

Socket Set

c)

Wracking Wrench

d)

Nut bolt Drivers

7.

Name the following tools?

a)

Open End Wrench

b)

Socket Set

c)

Closed End Wrench

d)

Nut bolt Drivers

8.

Name the following tools?

a)

Spark plug puller

b)

Socket Set

c)

Open end Wrench

d)

Swivel head Drivers

9.

Which unit of measurement would you use to find the length of a soccer field in the metric system?

a)

Miles

b)

Kilometers

c)

Millimeter

d)

Meters

10.

A form of electricity where the flow of current is always in the same direction.

a)

Voltage

b)

AC

c)

Power

d)

DC

11.

A law that states that current is directly proportional to voltage and inversely proportional to resistance in known as ____

a)

PEC

b)

Kirchoff's Law

c)

Law of Resistivity

d)

Ohm's Law

12.

Black Wires are considered to be

a)

Negative

b)

Ground

c)

Neutral

d)

Hot

13.

White wires are __________________ .

a)

Ground

b)

Hot

c)

Neutral

d)

Positive

14.

Bare copper wires are __________________ .

a)

Ground

b)

Hot

c)

Neutral

d)

Positive

15.

What is current?

a)

The flow of electrons

b)

Electrical pressure (psi)

c)

Opposition to the flow of electrons

d)

A wave crashing on the shore

16.

What is resistance?

a)

The flow of electrons (volume)

b)

Electrical pressure (psi)

c)

Opposition to the flow of electrons

d)

A group of agitators

17.

What type of electricity is used in houses?

a)

Direct Current

b)

Alternating Current

c)

Bi-lateral Current

d)

Solar current

18.

What type of circuit is shown in the picture?

a)

Series Circuit

b)

Broken Circuit

c)

Parallel Circuit

d)

Open Circuit

19.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will stay on
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
20.
a)
Long nosed pliers
b)
diagonal side cutting pliers
c)
linemans pliers
d)
multipurpose tool
21.
a)

Long nosed pliers

b)

diagonal side cutting pliers

c)

linemans pliers

d)

Wire strippers

22.

Used to connect two or more wires together.

a)

Circuit

b)

Wire Nut

c)

Romex

d)

Gauge

23.

Identify the object that will act as an insulator below.

a)

aluminum foil

b)

paperclip

c)

rubber gloves

d)

gold ring

24.
Electric current is measured in ______.
a)

Watts

b)

Volts

c)

Amperes

d)

Power

25.
As the resistance in a circuit increases, the electric current __________.
a)

increases

b)

decreases

c)

stays the same

d)

doubles

26.
What is the unit for resistance?
a)

Volts

b)

Amperes

c)

Ohms

d)

Hertz

27.

What is this part

a)

Carburetor

b)

Ignition coil

c)

Fuel pump

d)

Oil pump

28.
Identify the proper order of the four strokes in a small engine
a)
intake, compression, exhaust, power 
b)
intake, compression, power, exhaust
c)
intake, power, construction, exhaust
d)
exhaust, compression, power, intake
29.
During the compression stroke the piston moves________
a)
up
b)
in both directions
c)
the hot gasses out of the cylinder
d)
down
30.
Combustion of the fuel air mixture occurs in the ____________
a)
Crankcase
b)
Cylinder
c)
Carburetor
d)
Sump
31.
Identify this part?
a)
Crankshaft
b)
Oil slinger
c)
Camshaft
d)
Flywheel
32.

What is torque?

a)

a rotating force

b)

Pressure per square in

c)

rotations per minute

d)

a pulling force

33.

The connecting rod connects what two engine parts together?

a)

Piston and Camshaft

b)

Piston and Crankcase

c)

Piston and Flywheel

d)

Piston and Crankshaft

34.

Which of the following is a function of a small engine?

a)

To change heat energy into mechanical energy

b)

To change kinetic energy into potential energy

c)

To change rotary motion into vertical motion

d)

To change reciprocal motion into circular motion

35.

What are the purpose of the cam lobes?

a)

to prevent oil in the cylinder

b)

to move the valves open and closed

c)

decroative

d)

to seal the air-fuel mixture during compression

36.
Identify the part?
a)
Flywheel
b)
Camshaft
c)
Crankshaft
d)
Piston 
37.
Identify the part?
a)
Armature
b)
Spark Plug
c)
Starter Pulley
d)
Piston Rings
38.

What are these

a)

Valves

b)

Fuel regulator

c)

Carburetor

d)

Rockers

39.

Why do valves rotate as they open and close?

a)

to clean off the carbon build up

b)

to provide extra torque to the engine

c)

to assist in bringing in fresh air

d)

the springs naturally do this

40.

What danger does running an engine inside the shop present that requires students to open a window?

a)

Carbon monoxide poisoning

b)

bruising from a falling engine

c)

a gas explosion

d)

slipping on an oil spill

41.

Which engine type requires oil to be mixed into gas

a)

Single cylinder

b)

Two stroke engines

c)

Four Stroke Engines

d)

Auto engines

42.
Identify the part?
a)
Wrist Pin
b)
Connecting Rod
c)
Tappet
d)
Camshaft
43.
Identify the part?
a)

Wrist Pin

b)

Connecting Rod

c)

Crankshaft

d)

Piston head

44.
Identify this part?
a)
Crankcase cover
b)
Cylinder Head
c)
Engine Block
d)
Cylinder Head Gasket
45.
Identify this part?
a)
Crankshaft
b)
Cylinder Head
c)
Cylinder Head Gasket
d)
Heat Shield
46.
Name the following Fastening Tool.
a)
Cresent Wrench
b)
Twist Wrench
c)
Open end Wrench
d)
Adjustable Wrench
47.
This rubber mallet is part of what category of tools used to repair small engines?
a)
Striking/Driving
b)
Fastening
c)
Special
d)
Cutting
48.
OHV stands for ______  ________   _______
a)
Over Head Volume
b)
Over Hidden Valves
c)
Over Head Valves
d)
None of the above
49.

Why does the flywheel have to be so heavy?

a)

It helps provide inertia to keep the engine going

b)

engines are sold by the pound

c)

it helps slow the engine to a stop

d)

magnets are heavy and the flywheel has 1 or more

50.

Why do we have a choke on our engines before we start them?

a)

Engines need a little more gas than air to get started, once starting you can increase air

b)

Engines need a lot of air to get started

c)

to ensure we flood the engine every time

d)

To mix up the gas and oil

51.

What role does the flywheel play in the ignition system?

a)

Provides the magnet to complete the induction theory cycle

b)

provides the electrical current to complete the induction theory cycle

c)

the electrical conductor to complete the induction theory cycle

d)

it doesn't

52.

What are the two valves called?

a)

Exhaust, Intake

b)

Intake, Outtake

c)

Ignition, Exhaust

d)

Up, Down

53.
Identify this part?
a)
Spark Plug
b)
Cylinder Head
c)
Armature
d)
Cylinder Head Bolt
54.

What is this

a)

Rocker arms

b)

Block

c)

Valve

d)

push Rod

55.

If your engine is running rich, what color smoke will the engine produce?

a)

White

b)

Red

c)

Green

d)

Black

56.

Three methods of heat transfer are

a)

conduction, potential, radiation

b)

potential, kinetic, convection

c)

conduction, kinetic, convection

d)

conduction, convection, radiation

57.

Which of the following is a function of a small engine?

a)

To change heat energy into mechanical energy

b)

To change kinetic energy into potential energy

c)

To change rotary motion into vertical motion

d)

To change reciprocal motion into circular motion

58.
Identify this part
a)
Flywheel Key
b)
Woodruff Key
c)
Cam Key
d)
Governor
59.

There are __________________ rings on a small engine piston.

a)

one

b)

two

c)

three

d)

four

60.

A lawn mower typically will have a __________________ crankshaft.

a)

vertical

b)

diagonal

c)

horizontal

d)

flat

61.

The typical cooling system on a small engine uses _____________ to transfer heat.

a)

fins

b)

channels

c)

fans

d)

vacuum

62.

If a truck exerts a force of 100 lbs. and moves a load 33 ft. in 1 sec. How much Horsepower is being used? (Power = Force X Distance / time)(1HP = 550 ft.lbs/sec)

a)

2 HP

b)

4 HP

c)

6 HP

d)

8 HP

63.
Energy produced by burning organic matter such as wood, food scraps, and animal matter is called______________ energy.
a)
Biomass
b)
Thermal energy
c)
Solar
d)
Wind
64.
Wind, geothermal, and solar energy are all what type of energy resources?
a)
cheap
b)
potential
c)
renewable
d)
chemical 
65.

Hot water is pumped up from deep inside Earth and is used to heat homes or to generate electricity. This describes...

a)

biomass

b)

hydroelectric energy

c)

geothermal energy

d)

tidal power

66.
Which of the methods of generating electricity does NOT use alternative energy resources? 
a)
Burning natural gas in a power plant
b)
Turbines spinning in dam
c)
Solar panels taking in light energy 
d)
Drilling wells to reach hot rocks deep inside the earth 
67.

What benefit does a breaker have over a fuse?

a)

They are cheaper

b)

They are reusable

c)

Breakers can carry more voltage

d)

Fuses do not burn up

68.

Which is a device used to measure electric power consumption?

a)

Handy box

b)

Junction Box

c)

Panel Box

d)

Service meter

69.

What is this item?

a)

Handy box

b)

Junction Box

c)

Panel Box

d)

Service meter

70.

What frequency is the US power grid on?

a)

40 Hz

b)

50 Hz

c)

60 Hz

d)

70 Hz

71.

The term Geothermal refers to?

a)

Geometry is hard

b)

Earth's heat

c)

Earth's average temperature

d)

Geometric shapes

72.

What part of a solar cell converts light to electricity?

a)

Photon meter

b)

Photovoltaic cell

c)

Photon cell

d)

Photographic cell

73.

There are two types of Solar Heating. They are?

a)

Passive and Potential

b)

Active and Kinetic

c)

Passive and Active

d)

Potential and Kinetic

74.

An example of Active Solar heating is?

a)

The inside of my car warming up from sunlight

b)

The lake giving off heat in November

c)

The dark stone floor absorbing sunlight in the winter

d)

a Solar panel producing DC electricty.

75.

PV cells are made of what material that is manipulated to have either to many electrons or to few electrons to cause the electrons to flow when light hits them?

a)

Layers of Silicon

b)

Layers of Crystals

c)

Layers of copper

d)

None of the above

76.

Which crops are grown as a dedicated energy crop?

a)

Corn and Barley

b)

Corn and Soybeans

c)

Corn and Wheat

d)

Soybeans and Barley

77.

Alternative energy is presented as an alternative to conventional energy sources that involve burning non-renewable what?

a)

Solar Energy

b)

Fossil Fuels

c)

Nuclear Power

d)

Wind Power

78.

What does the governor control?

a)

the rpms of an engine (tries to make them constant)

b)

the choke (controls the air going into the carburetor)

c)

The electrical current going to the spark plug

d)

the amount of oil in the crankcase

79.

What is the name type of the top ring on a Piston?

a)

Wiper ring

b)

Compression ring

c)

Oil ring

d)

Combustion ring

80.

What is the name type of the bottom ring on a Piston?

a)

Wiper ring

b)

Compression ring

c)

Oil ring

d)

Combustion ring

81.

What is the most common type of governor system?

a)

Electrical

b)

Mechanical

c)

Vacuum

d)

Spring loaded

82.

Convert 0 °C to Fahrenheit?

a)

-10°F

b)

15°F

c)

32°F

d)

90°F

83.

Why doesn’t a two-stroke engine require oil rings or an oil reservoir?

a)

It's lubrication is supplied by mixing oil in the gasoline.

b)

It doesn't need any lubrication

c)

Because there is no spark plug

d)

There is no combustion

84.

What % of energy released from a small engine is converted to work?

a)

10%

b)

30%

c)

50%

d)

90%

85.

Name the following tools?

a)

Spark plug puller

b)

Piston Ring Compressor

c)

Open end Wrench

d)

None of the Above

86.

1 Horsepower is equal to?

a)

100 Ft-lbs/sec

b)

550 Ft-lbs/sec

c)

1000 Ft-lbs/sec

d)

1 Ft-lbs/sec

87.

An action in which a force applied to an object and causes a displacement of the object

a)

Power

b)

Work

c)

Force

d)

All of the Above

88.

______ is the international unit of frequency equal to one cycle per second.

a)

Milliamp

b)

Micron

c)

Hertz

d)

Henry

89.

Three methods of heat transfer are

a)

conduction, potential, radiation

b)

potential, kinetic, convection

c)

conduction, kinetic, convection

d)

conduction, convection, radiation

90.

In a series circuit, which below is true?

a)

Electricity has multiple paths to take

b)

If the circuit is complete, there is only one path for electricity to flow

c)

When there is a break in the circuit, devices will still work

d)

None of the above

91.

In a 12/2 wire, the 12 means what?

a)

The gouge of the insulated wires

b)

The number of wires

c)

The length of the wire you are purchasing

d)

code for no ground wire included

92.

Which energy source is used in the power plant shown in the image?

a)

Biomass power

b)

Tidal power

c)

Solar power

d)

Hydroelectric power

93.

Which below is a English standard unit of measurement to measure how long a soccer field is?

a)

Meter

b)

Kilometer

c)

Miles

d)

Yards

94.

Which below are units of measure within the Metric System?

a)

Inches, Millimeters and Yards

b)

Millimeter's, Grams, and Kiloliters

c)

Feet, Yards and Miles

d)

Kilograms, Ounces, Pounds

95.

What is an example of PPE that a Welder might use?

a)

Welders Googles

b)

Leather Gloves

c)

A leather Apron

d)

All the above

96.

Convert 3'-2" to inches

a)

42"

b)

38"

c)

82"

d)

32"

97.

Which crops are grown as a dedicated energy crop?

a)

Corn and Barley

b)

Corn and Soybeans

c)

Corn and Wheat

d)

Soybeans and Barley

98.

What year is the world aiming to be "net Zero"?

a)

2035

b)

2040

c)

2045

d)

2050

99.

Why is battery storage so important for the grid to reach net zero?

a)

Most green energy sources are not 24/7

b)

We will not need battery storage with the improvements to alternative energies

c)

The sun goes down at night

d)

The wind stops blowing

100.

What benefit does a breaker have over a fuse?

a)

They are cheaper

b)

They are reusable

c)

Breakers can carry more voltage

d)

Fuses do not burn up

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