Page |1
Auto 125 Final Exam Questions and
Correct Answers/ Latest Update / Already
Graded
Technician A says that it is safe to clean your clothes off at the end of
the day by blowing compressed air on yourself. Technician B says that
you should avoid spinning a bearing with compressed air because it
may injure or kill you. Who is correct?
Ans: Technician B
Where can you easily find the engine size on a car?
Ans: On the under-hood sticker
Which of the following statements about Vehicle Identification
Numbers (VINs) is FALSE?
Ans: Several identical cars may have the same VIN as each
other.
Which of the following is always found on an under-hood sticker?
Ans: Model year
All rights reserved © 2025/ 2026 |
, Page |2
Technician A says that when jump-starting a car, you should make the
last connection on the body of the car. Technician B says that if you
accidentally hook up the jumper cables backwards, it usually won't
cause any damage. Who is correct?
Ans: Neither A nor B
It is okay to run a car inside a shop or garage if one or more of the doors
is open.
Ans: False
When jump-starting a car, where should the last jumper cable
connection be made?
Ans: On the metal of the engine of the "dead" car
Which of the following is NOT considered a rule of dressing for safety
when working on or around a car?
Ans: Make sure that all rings and watches fit well and are not
loose.
Which of the following is NOT a potential hazard associated with
working around your car's battery?
Ans: Electrical shock
All rights reserved © 2025/ 2026 |
, Page |3
Which of the following statements is correct?
Ans: The left and right sides of a car are determined when you
are sitting in the driver's seat.
When starting a car, you should double-check that
Ans: people and tools are clear of moving parts.
Student A says that you should fill your tires to the pressure indicated
on the sidewall of the tire. Student B says that you should fill your tires
to the pressure indicated on the tire placard near the driver's door or in
the glovebox. Who is correct?
Ans: Student B
Two technicians are discussing how to avoid connecting the cables
backwards when jump-starting (either using jumper cables or a jumper
pack). Technician A says that you can identify the positive and negative
terminals on the car's battery by looking for the polarity symbols
stamped into the top of the battery. Technician B says that you can
identify the positive and negative terminals by looking at the color of
the car's battery cables. Who is correct?
Ans: Technician A
All rights reserved © 2025/ 2026 |
, Page |4
Which of the following statements is true?
Ans: The only time it is safe to work under a car that is lifted up
is when it is supported by jack stands.
Which of the following lists the four strokes of an internal combustion
engine in the correct order?
Ans: intake, compression, power, exhaust
A camshaft must turn exactly ___________ as the crankshaft.
Ans: half as fast
What is the name of the engine component that converts the
reciprocal motion of the pistons into the rotary motion needed to turn
the wheels?
Ans: crankshaft
Which of the following statements is FALSE?
Ans: Because changing a timing belt or a timing chain is easy,
anyone with a set of tools could probably do it successfully.
All rights reserved © 2025/ 2026 |
Auto 125 Final Exam Questions and
Correct Answers/ Latest Update / Already
Graded
Technician A says that it is safe to clean your clothes off at the end of
the day by blowing compressed air on yourself. Technician B says that
you should avoid spinning a bearing with compressed air because it
may injure or kill you. Who is correct?
Ans: Technician B
Where can you easily find the engine size on a car?
Ans: On the under-hood sticker
Which of the following statements about Vehicle Identification
Numbers (VINs) is FALSE?
Ans: Several identical cars may have the same VIN as each
other.
Which of the following is always found on an under-hood sticker?
Ans: Model year
All rights reserved © 2025/ 2026 |
, Page |2
Technician A says that when jump-starting a car, you should make the
last connection on the body of the car. Technician B says that if you
accidentally hook up the jumper cables backwards, it usually won't
cause any damage. Who is correct?
Ans: Neither A nor B
It is okay to run a car inside a shop or garage if one or more of the doors
is open.
Ans: False
When jump-starting a car, where should the last jumper cable
connection be made?
Ans: On the metal of the engine of the "dead" car
Which of the following is NOT considered a rule of dressing for safety
when working on or around a car?
Ans: Make sure that all rings and watches fit well and are not
loose.
Which of the following is NOT a potential hazard associated with
working around your car's battery?
Ans: Electrical shock
All rights reserved © 2025/ 2026 |
, Page |3
Which of the following statements is correct?
Ans: The left and right sides of a car are determined when you
are sitting in the driver's seat.
When starting a car, you should double-check that
Ans: people and tools are clear of moving parts.
Student A says that you should fill your tires to the pressure indicated
on the sidewall of the tire. Student B says that you should fill your tires
to the pressure indicated on the tire placard near the driver's door or in
the glovebox. Who is correct?
Ans: Student B
Two technicians are discussing how to avoid connecting the cables
backwards when jump-starting (either using jumper cables or a jumper
pack). Technician A says that you can identify the positive and negative
terminals on the car's battery by looking for the polarity symbols
stamped into the top of the battery. Technician B says that you can
identify the positive and negative terminals by looking at the color of
the car's battery cables. Who is correct?
Ans: Technician A
All rights reserved © 2025/ 2026 |
, Page |4
Which of the following statements is true?
Ans: The only time it is safe to work under a car that is lifted up
is when it is supported by jack stands.
Which of the following lists the four strokes of an internal combustion
engine in the correct order?
Ans: intake, compression, power, exhaust
A camshaft must turn exactly ___________ as the crankshaft.
Ans: half as fast
What is the name of the engine component that converts the
reciprocal motion of the pistons into the rotary motion needed to turn
the wheels?
Ans: crankshaft
Which of the following statements is FALSE?
Ans: Because changing a timing belt or a timing chain is easy,
anyone with a set of tools could probably do it successfully.
All rights reserved © 2025/ 2026 |
