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Worksheets

Spring 2025 SER Final Exam

Total questions: 124

Worksheet time: 1hrs 19mins

Name
Class
Date
1.
Identify the proper order of the four strokes in a small engine
a)
intake, compression, exhaust, power 
b)

intake, compression, energy (power), exhaust

c)
intake, power, construction, exhaust
d)
exhaust, compression, power, intake
2.
Match marks are on the _______and the ____________
a)
crankshaft and connecting rod
b)
crankshaft and shroud
c)
crankshaft and camshaft
d)
camshaft and govenor
3.

Tappets ride on ______ and push up on _________.

a)
camshaft lobes + connecting rod
b)
camshaft lobes and connecting rod
c)

camshaft lobes + valves

d)
none of the above
4.

Define the term, intake. 

a)
An engine operation event in which the air - fuel mixture is introduced to fill the combustion chamber. 
b)
An engine operation event in which the air - fuel mixture is introduced into the crankcase. 
c)
An engine operation event in which the intake and exhaust valves are closed. 
d)
An engine operation event in which the piston breaks the cylinder wall.
5.

During the compression, the piston is traveling upward, and both valves are closed. 

a)
True 
b)
False 
6.

During the intake stroke _____________ are introduced into the combustion chamber. 

a)
Spark 
b)

Air & fuel

c)
Fuel 
d)
Intake valve 
7.

During the exhaust stroke, the intake valve is open, and the exhaust valve is closed. 

a)
True 
b)
False 
8.

Define the term, four—stroke (or four-cycle) cycle engine. 

a)
An internal combustion engine that utilizes four distinct piston strokes to complete one operation  cycle. 
b)
An internal combustion engine that utilizes three distinct piston strokes to complete one operating cycle. 
c)
An internal combustion chamber that utilizes two distinct piston strokes to complete one operating cycle. 
d)
None of the above. 
9.
Identify this part
a)
Crankshaft Gear
b)
Oil Slinger
c)
Starter Pulley
d)
Governor
10.
Identify this part
a)

Shroud or blower housing with recoil starter

b)
Flywheel
c)

Recoil Pulley

d)
Grass Screen
11.
Identify this part
a)
Cylinder Head Bolts
b)
Connecting Rod
c)
Reed Valve
d)

Intake or exhaust Valve

12.
Identify this part
a)
Carburetor
b)
Oil Slinger
c)

Tappet Chamber Cover or Breather Valve

d)
Connecting Rod Cap
13.

Identify the configuration of the engine in this photo.

a)

L—Head or

Flat-head

b)

Over-Head Valves

(OHV)

c)

Over-head Cam

(OHC)

14.
A sump is a reservoir for _______
a)
Water
b)
Gasoline
c)
Oil
d)
Spark
15.

The flywheel performs these 3 basic functions.

a)
Heating, Spark, Momentum
b)
Air Flow, Spark, Momentum
c)
Air Flow, Vacuum, Momentum
d)
Air Flow, Spark, Pump Oil
16.

Electricity is created because a _______ is embedded in the ___________

a)
Magnet + Carburetor
b)
Coil of wire + Flywheel
c)
Magnet + Shroud
d)
Magnet + Flywheel
17.
During the exhaust stroke the piston moves______
a)
Up
b)
Down
c)
Sideways
d)

The Intake Valve

18.

This person is

a)

checking tire pressure.

b)

checking engine oil.

c)

checking small engine coolant level

d)

torching the engine.

19.

This person is

a)

checking spark plug gap.

b)

tightening the coil.

c)

measuring engine use.

d)

checking tire pressure.

20.

How often is the oil level checked in a 4-cycle engine?

a)

annually

b)

weekly

c)

before every use

d)

four times a year

21.

The function of a gasket function is to

a)

seal fluid.

b)

reduce wear on coil pull.

c)

seal gaps.

d)

maintain ignition.

22.

The _______ has several functions: 1) it combines gasoline and air creating a highly combustible mixture, 2) it regulates the ratio of air and fuel, and 3) it controls the engine's speed.

a)

sump pump

b)

magneto

c)

cooling system

d)

carburetor

23.

This is the part of the small engine that ignites the fuel and air mixture.

a)

magneto

b)

coil

c)

carburetor

d)

spark plug

24.

What two components mix to ignite to power an engine?

a)

nitrogen and fuel

b)

oxygen and fuel

c)

nitrogen and air

d)

oxygen and air

25.

What will happen to an engine if there is too little oil?

a)

The engine will seize

b)

The engine may over heat

c)

Causes wear on the internal parts of the engine

d)

All of the above

26.

How long can gas be stored in a fuel (gas) can and remain viable without fuel stabilizer.

a)

About 1 month

b)

About 6 months

c)

About 1 year

d)

About 6 years

27.

Identify this part.

a)
Crankshaft
b)
Oil slinger
c)
Camshaft
d)
Flywheel
28.

Identify the part.

a)

Coil or Armature

b)
Spark Plug
c)
Starter Pulley
d)
Piston Rings
29.

Identify the part.

a)
Flywheel
b)
Camshaft
c)
Crankshaft
d)
Piston 
30.

Identify the part.

a)
Wrist Pin
b)
Connecting Rod
c)
Crankshaft
d)
Piston 
31.

Identify the part.

a)
Piston
b)
Block
c)
Cylinder Head
d)
Piston Rings
32.

Identify this part.

a)
Crankshaft
b)
Cylinder Head
c)
Cylinder Head Gasket
d)
Heat Shield
33.

Tappets ride on ______ and push up on _________.

a)
camshaft lobes + connecting rod
b)
camshaft lobes and connecting rod
c)

camshaft lobes + valves

d)
none of the above
34.

Identify this part.

a)
Flywheel Key
b)
Woodruff Key
c)
Cam Key
d)
Governor
35.

Identify these parts.

a)
Valve Springs
b)
Valve Sprockets
c)
Piston Rings
d)
Armature
36.
Identify this part
a)
Recoil Starter Pulley
b)
Recoil Gear Pulley
c)
Restart Pulley
d)
Flywheel
37.

Identify this part.

a)

Cooling Fan

b)

Cooling Fins

c)

Flywheel Fan

d)

Flywheel Fin

38.
a)

Rocker Arm

b)

Push Rod

c)

Tappet

d)

Oil Slinger

39.

Identify this part.

a)

Valve or Rocker Cover

b)

Crankcase Cover

c)

Air Filter Cover

d)

Cylinder Head Cover

40.

The main part of the ignition system is the _______________________.

a)

electrode

b)

spark plug

c)

recoil

d)

starter

41.

The flywheel works in combination with the _______________________ to provide charge to the spark plug.

a)

coil

b)

capacitor

c)

crankshaft

d)

magneto

42.
What is the function of this component of the ignition system? 
a)
Transfers motion from the camshaft to the push rods 
b)
Makes contact with the magneto to produce an electrical arc
c)
Provides inertia to keep the crankshaft turning during the four-stroke cycle 
43.

OHV stands for ______  ________   _______.

a)
Over Head Volume
b)
Over Hidden Valves
c)
Over Head Valves
d)
None of the above
44.

Identify this part.

a)
Carburetor
b)
Piston And Connecting Rod
c)
Cylinder Head Bolt
d)
Filler Cap with Dip Stick
45.

What is the effect of a fouled spark plug on engine performance?

a)

It improves engine performance

b)

It has no effect

c)

It can cause the engine to run rough or misfire

d)

It increases the engine's horsepower

46.

What is the primary purpose of engine oil in an engine?

a)

To cool the engine

b)

To lubricate engine parts

c)

To clean the engine

d)

To fuel the engine

47.

What is the first stroke in the 4-stroke engine?

a)

exhaust

b)

intake

c)

compression

d)

power

48.

What is the second stroke in the 4-stroke engine?

a)

exhaust

b)

intake

c)

compression

d)

power

49.

What is the third stroke in the 4-stroke engine?

a)

exhaust

b)

intake

c)

compression

d)

power

50.

What is the fourth stroke in the 4-stroke engine?

a)

exhaust

b)

intake

c)

compression

d)

power

51.

Engine bore refers to:

a)

An engine's horsepower

b)

The diameter of a cylinder

c)

How fast the crankshaft turns

d)

Cylinder layout

52.

Stroke is the distance the piston travels from TDC to ____________.

a)

BTDC

b)

TDC again

c)

BDC

d)

ABCD

53.

The total volume of space displaced by the pistons traveling up and down inside all the cylinders is ________________.

a)

Horsepower

b)

Turbocharger

c)

Torque

d)

Displacement

54.

______________________ is the travel distance of the piston.

a)

stroke

b)

bore

c)

diameter

d)

RPM

55.

The measure of mechanical power is called _____________________?

a)

Torque

b)

Horsepower

c)

Bore

d)

RPM

56.

RPM stands for?

a)

revolutions per minute

b)

revolutions per mile

c)

rotations per mile

d)

rapid piston manufacturer

57.
A socket is used to _____.
a)
grip a nut or bolt
b)
hold a cheater pipe
c)
adjust the wrench
d)
turn the rachet
58.
Pliers with serrated teeth that grip flat, square, round, or hexagonal objects are called _____ pliers.
a)
needle-nose
b)
slip-joint
c)
lineman
d)

plumbers (Channel Lock)

59.

Match the following

a)

1.

open end wrench

b)

2.

box end wrench

c)

3.

combination wrench

60.

Match the following

a)

1.

slip joint pliers

b)

2.

locking pliers

(Vise Grip)

c)

3.

needle nose pliers

d)

4.

Linesman pliers

(electrician pliers)

61.

What is this tool?

a)

breaker bar

b)

ratchet

c)

torque wrench

d)

wrench

62.

What is this tool?

a)

adjustable wrench

b)

combination wrench

c)

ball peen hammer

d)

line wrench

63.

What is this tool?

a)

pry bar

b)

chisel

c)

Philips screwdriver

d)

flat head or slotted screwdriver

64.

What is this tool?

a)

Philips screwdriver

b)

slotted or flat head screwdriver

c)

pry bar

d)

chisel

65.

What is this tool?

a)

chisel

b)

flat head or slotted screwdriver

c)

Philips head screwdriver

d)

pry bar

66.

What is this tool?

a)

slip joint pliers

b)

side cuting pliers

c)

needle nose pliers

d)

Linemen pliers

67.

What is this tool?

a)

slip joint pliers

b)

adjustable pliers

c)

needle nose pliers

d)

duck bill pliers

68.

What is this tool?

a)

slip joint pliers

b)

pry bar

c)

needle nose pliers

d)

hammer

69.

What is this tool?

a)

Dead Blow Hammer

b)

Claw Hammer

c)

Rubber Mallet

d)

Ball Peen Hammer

70.

What is this tool?

a)

Breaker Bar

b)

Ratchet

c)

Hammer

d)

Wrench

71.

Match the following tools

a)

1.

Nut Driver

b)

2.

Electric Screwdriver

c)

3.

Phillip's Head Screwdriver

d)

4.

Flat Head Screwdriver

e)

5.

Torx Screwdriver

72.

Which tool is a vise?

a)

b)

c)

d)

73.

Which tool is a hack saw?

a)

b)

c)

d)

74.

Which tool is the best one for loosen or tightening a nut or bolt?

a)

b)

c)

d)

75.

Which tool is a hammer with one round end and one flat end; made of softer steel so you can use it on harder materials such as metal?

a)

ball pein hammer

b)

mallet hammer

c)

nail or claw hammer

d)

sledge hammer

76.

The most common hand tool, has a tip which fits into the head of a screw and is used to tighten or loosen screws.

a)

level

b)

hammer

c)

pliers

d)

screw driver

77.

When using a torque wrench to tighten a bolt and ensure that it is properly aligned, you place one hand on the _____.

a)
material holding the bolt
b)
torque indicator
c)
head of the bolt
d)
head of the torque wrench
78.
Don't use your __________ to test whether or not a tool is sharp. 
a)
hair
b)
finger
c)
toe
d)
shirt
79.

Which of these tools is a corded drill?

a)

b)

c)

d)

80.

Which tool is this?

a)

Phillips screwdriver

b)

regular or flat head screwdriver

c)
torque wrench
d)
awl
81.

Which tool is this?

a)

Claw Hammer

b)

Mallet

c)

Punch

d)

Ball and Peen Hammer

82.

Which tool is this?

a)

Adjustable End Wrench

b)

Box Wrench

c)

Open end wrench

d)

Allen wrench

83.
Check tools to be sure they are sharp, __________ and in good shape
a)
dirt
b)
clean
c)
oiled
d)
dull
84.

Which tool is this?

a)

Right-Angle Drill

b)

Cordless drill

c)

Impact driver

d)

Hammer drill

85.

Which tool is this?

a)

Impact driver

b)

Cordless hand drill

c)

Hammer drill

d)

Right-Angle Drill

86.

What is this tool?

a)
screwdriver
b)

claw hammer

c)
wrench
d)
awl
87.

Which tool is this?

a)
phillips screwdriver
b)
multipurpose tool
c)
adjustable wrenches
d)
allen wrenches (hex keys)
88.

When placing work in a vise, it must be held:

a)

As low and close to the vice as possible

b)

As high as possible in the vice

c)

In the middle of the work and vice

d)

at the tip of the vice

89.

How close a series of measurements are to one another (repeatability, consistency) is called?

a)
Precision
b)

Accuracy

90.

How close a measurement is to the goal is called?

a)
Accuracy
b)

Precision

91.

These arrows display an archer who has?

a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
92.

These arrows display an archer who has?

a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
93.

These arrows display an archer who has?

a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
94.

These arrows display an archer who has?

a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
95.

Can our classroom be a dangerous place?

a)

Yes

b)

No

c)

Maybe

d)

IDK

96.
Never  ________ ___ ____equipment you have not received training on.
a)
attempt to use
b)
attempt to photograph
c)
attempt to describe
d)
attempt to oil
97.

All students must  _____ ______ _____ at the end of class.

a)

leave all tools

b)

leave the area

c)

clean up area

d)

None of the above

98.

Most incidents don’t just happen, they are caused by...

a)

Human Error

b)

Taking Short Cuts

c)

Unclear or Unsure Instructions

d)

All of these Answers

99.

Oily rags are disposed of in a separate container for combustible materials.

a)

True

b)

False

100.
Never ________ tools, materials, or other objects to or at other people.
a)

Throw or Toss

b)

Use

c)

Show

d)

Drop

101.

In the case of fire in the classroom, you are to:

a)

Run and hide in the shop

b)

Begin battling the fire

c)

Panic and start screaming for help

d)

Notify the instructor immediately

102.

If you are ever in doubt about any procedure in the shop, the best person to ask for help from is:

a)

Your best friend

b)

The custodian

c)

A classmate

d)

The teacher

103.

If you see a broken or damaged tool, you are to notify:

a)

The main office

b)

A classmate

c)

The teacher

d)

None of these

104.

The proper procedure for using a fire extinguisher to fight a fire is to:

a)

Point the nozzle at the top of the flames

b)

Point at the middle of the flames

c)

Cover the area around the fire to keep it from spreading

d)

Point the nozzle at the base of the source of the fire

105.

Oil on the floor is a slip and fall hazard.

a)
True
b)
False 
106.
What type of shoes must be worn in the shop?
a)
Closed-toe
b)
Open-toe
107.

Crocs are an acceptable shoe to wear in the shop

a)

True

b)

False

108.

If a tool or its power cord are damaged, you are to. 

a)

Immediately place the tool back where I found it and tell the teacher

b)
Mark the tool as damaged and place it back where I found it so I won't get in trouble
c)

Mark the tool as damaged and tell the teacher so it will not be used

d)

Use it anyway

109.

Should water (or any other liquid) ever be present around electronics?

a)
Yes
b)
It depends on the type of liquid
c)
Only if it is in a plastic bottle with the cap tightly secured
d)
No
110.

When working in the classroom, when is loose hair and clothing pulled back or tied off?

a)
When using power tools
b)
When you are tired and less focused
c)
Only when your hair is really long or your clothes are really loose
d)
Always
111.

Two common causes for an accident are.

a)

Not paying attention/Singing

b)

Not listening/Making incorrect decision

c)

Making wrong decision/Engaging in Horseplay

d)

Making incorrect decision/Not paying attention

112.

It is important to keep your workstation:

a)

Clean

b)

Safe

c)

Secure

d)

All of these

113.

Before you leave your workstation, you need to:

a)

Clean your area and remove and put away excess scrap

b)

Unplug and put away tools

c)

Store your project materials in an appropriate area

d)

All of These

114.

If you get a cut, bruise, or any other injury, you are to...

a)

Put a bandaid on, and keep working

b)

Keep working

c)

Tell an instructor

d)

Go straight to the office

115.

Before starting to work, you are to...

a)

Make sure you have a clean workspace

b)

Have a plan for what to do

c)

Make sure you are wearing personal protective equipment

d)

All of the above

116.

What is considered proper attire in the work area?

a)

Hair Tied Up and no dangly jewelry

b)

Sweatshirt strings tuck and no loose clothes

c)

Wearing Safety glasses

d)

All of the above

117.

The state of being free from danger, risk, or injury is called:

a)

accidental

b)

awareness

c)

first aid.

d)

safety

118.

Which of the following is NOT a type of Personal Protective Equipment (PPE)?

a)

Hard hat

b)

Safety harness

c)

Sandals

d)

Respirator

119.

What are you to do before using any tool for the first time?

a)

Read the instruction manual

b)

Watch someone else use it

c)

Use it without any preparation

d)

Ask a friend for tips

120.

Which of the following is a safe practice when using hand tools?

a)

Using a tool with a damaged handle

b)

Carrying tools in your pockets

c)

Using the correct tool for the job

d)

Leaving tools on the floor

121.

Adequate ventilation is to be used when dust and fumes are present.

a)

True

b)

False

122.

In the case of fire, students are to exit the classroom quietly and orderly.

a)

True

b)

False

123.

Most accidents are caused when safety rules are not followed.

a)

True

b)

False

124.

What is to be done with waste in the classroom?

a)

Leave it in the aisles

b)

Dispose of it properly and promptly

c)

Burn it

d)

Store it in a corner

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