AUTO 125 Final Exam Questions with
100% Correct Answers Latest Version Top
Rated
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?
Technician B
Where can you easily find the engine size on a car?
On the under-hood sticker
Which of the following statements about Vehicle
Identification Numbers (VINs) is FALSE?
Several identical cars may have the same VIN as each other.
Which of the following is always found on an under-hood
sticker?
Model year
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?
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.
False
When jump-starting a car, where should the last jumper cable
connection be made?
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?
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?
Electrical shock
Which of the following statements is correct?
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
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?
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?
Technician A
Which of the following statements is true?
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?
intake, compression, power, exhaust
A camshaft must turn exactly ___________ as the crankshaft.
, 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?
crankshaft
Which of the following statements is FALSE?
Because changing a timing belt or a timing chain is easy, anyone
with a set of tools could probably do it successfully.
It usually makes more sense economically to wait until the
timing belt breaks to replace it rather than paying to have it
changed earlier.
False
The engine shown is which type?
inline
Which of the following engine components pushes the
valves open?
camshaft
Why is the compression stroke important to proper engine
operation?
Both A and B are correct
A certain engine was found to have bent valves and a broken
piston. This was most likely caused by:
A broken timing belt
What is the best way for a car owner to find out what types of
fluids to use and how often the engine's oil, coolant, and
timing components should be changed?
Check the owner's manual
What determines the size of an engine?
The volume of the cylinders
During the compression stroke:
Both valves are closed
Which of the following statements is true about the intake
stroke?
100% Correct Answers Latest Version Top
Rated
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?
Technician B
Where can you easily find the engine size on a car?
On the under-hood sticker
Which of the following statements about Vehicle
Identification Numbers (VINs) is FALSE?
Several identical cars may have the same VIN as each other.
Which of the following is always found on an under-hood
sticker?
Model year
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?
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.
False
When jump-starting a car, where should the last jumper cable
connection be made?
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?
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?
Electrical shock
Which of the following statements is correct?
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
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?
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?
Technician A
Which of the following statements is true?
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?
intake, compression, power, exhaust
A camshaft must turn exactly ___________ as the crankshaft.
, 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?
crankshaft
Which of the following statements is FALSE?
Because changing a timing belt or a timing chain is easy, anyone
with a set of tools could probably do it successfully.
It usually makes more sense economically to wait until the
timing belt breaks to replace it rather than paying to have it
changed earlier.
False
The engine shown is which type?
inline
Which of the following engine components pushes the
valves open?
camshaft
Why is the compression stroke important to proper engine
operation?
Both A and B are correct
A certain engine was found to have bent valves and a broken
piston. This was most likely caused by:
A broken timing belt
What is the best way for a car owner to find out what types of
fluids to use and how often the engine's oil, coolant, and
timing components should be changed?
Check the owner's manual
What determines the size of an engine?
The volume of the cylinders
During the compression stroke:
Both valves are closed
Which of the following statements is true about the intake
stroke?
