MICHIGAN STATE BRAKES CERTIFICATION
EXAM TEST BANK 2026 UPDATED
QUESTIONS AND ANSWERS GRADED A+
⩥ It is accepted that too much heat caused by using your brakes too
often can also cause: Answer: Brake fade or failure
⩥ Repeatedly pressing and releasing (fanning) the brake pedal may
result in: Answer: The loss of brake air pressure
⩥ The brake system that applies and releases the brakes when the driver
uses the brake pedal is the ________ brake system. Answer: Service
⩥ A slack adjuster's free play needs to be adjusted if it is more than
about how many inches when you pull hard on it? Answer: 1 inch
⩥ The brake pedal in an air brake system: Answer: Controls the air
pressure applied to put in the brakes.
⩥ Under normal conditions in order to engage the parking brakes the
driver must first: Answer: Let the air out of the spring brakes.
,⩥ Which of these is NOT a proper time to apply the parking brakes?
Answer: If your brakes are very hot.
⩥ What is the first thing you should do when a low air pressure warning
comes on: Answer: Stop and safety park as soon as possible.
⩥ The parking or emergency brake on a heavy vehicle can only be held
in position by something that cannot peak away, like: Answer: Spring
Pressure
⩥ When you apply the brakes, the brake shoes/linings are pressed
against the: Answer: Brake drum.
⩥ If the air pressure is not building up fast enough within the correct
amount of time: Answer: Your air pressure may drop too low during
driving.
⩥ The proper method of braking when going down a long and / or steep
grades after selecting the proper gear, is to brake until your speed is
about _________ miles per hour below your "safe" speed, then release
your brakes. Answer: 5
⩥ In ideal conditions a truck or bus with an air brake going 55 mph
would require stopping distance of how many feet? Answer: More than
300 feet
, ⩥ It is not safe for a vehicle that has brake drums with cracks that are
longer than _________ of the width of the friction area. Answer: 1/2
⩥ Why must air tanks be drained? Answer: To drain moisture and oil out
of the tank.
⩥ Is it possible to have an air leak on one system which will not affect
the other? Answer: Yes
⩥ Both systems run off of the same air compressor, so it one air
compressor malfunctions you will not be able to build or maintain
pressure in either system. Answer: True
⩥ All vehicles with air brakes must have a low pressure warning signal.
Answer: True
⩥ What are spring brakes? Answer: If the air brakes leak down, springs
press the brakes on to stop the vehicle.
⩥ Front wheel brakes are good under all conditions. Answer: True
⩥ When you apply your brakes, the air brake system works with an
electric switch, by air pressure, to turn on the brake lights. Answer: True
EXAM TEST BANK 2026 UPDATED
QUESTIONS AND ANSWERS GRADED A+
⩥ It is accepted that too much heat caused by using your brakes too
often can also cause: Answer: Brake fade or failure
⩥ Repeatedly pressing and releasing (fanning) the brake pedal may
result in: Answer: The loss of brake air pressure
⩥ The brake system that applies and releases the brakes when the driver
uses the brake pedal is the ________ brake system. Answer: Service
⩥ A slack adjuster's free play needs to be adjusted if it is more than
about how many inches when you pull hard on it? Answer: 1 inch
⩥ The brake pedal in an air brake system: Answer: Controls the air
pressure applied to put in the brakes.
⩥ Under normal conditions in order to engage the parking brakes the
driver must first: Answer: Let the air out of the spring brakes.
,⩥ Which of these is NOT a proper time to apply the parking brakes?
Answer: If your brakes are very hot.
⩥ What is the first thing you should do when a low air pressure warning
comes on: Answer: Stop and safety park as soon as possible.
⩥ The parking or emergency brake on a heavy vehicle can only be held
in position by something that cannot peak away, like: Answer: Spring
Pressure
⩥ When you apply the brakes, the brake shoes/linings are pressed
against the: Answer: Brake drum.
⩥ If the air pressure is not building up fast enough within the correct
amount of time: Answer: Your air pressure may drop too low during
driving.
⩥ The proper method of braking when going down a long and / or steep
grades after selecting the proper gear, is to brake until your speed is
about _________ miles per hour below your "safe" speed, then release
your brakes. Answer: 5
⩥ In ideal conditions a truck or bus with an air brake going 55 mph
would require stopping distance of how many feet? Answer: More than
300 feet
, ⩥ It is not safe for a vehicle that has brake drums with cracks that are
longer than _________ of the width of the friction area. Answer: 1/2
⩥ Why must air tanks be drained? Answer: To drain moisture and oil out
of the tank.
⩥ Is it possible to have an air leak on one system which will not affect
the other? Answer: Yes
⩥ Both systems run off of the same air compressor, so it one air
compressor malfunctions you will not be able to build or maintain
pressure in either system. Answer: True
⩥ All vehicles with air brakes must have a low pressure warning signal.
Answer: True
⩥ What are spring brakes? Answer: If the air brakes leak down, springs
press the brakes on to stop the vehicle.
⩥ Front wheel brakes are good under all conditions. Answer: True
⩥ When you apply your brakes, the air brake system works with an
electric switch, by air pressure, to turn on the brake lights. Answer: True
