MICHIGAN STATE BRAKES CERTIFICATION
EXAM FINAL PAPER 2026 FULL
QUESTIONS WITH CORRECT ANSWERS
GRADED A+
⩥ Why drain water from the compressed air tanks? Answer: Water can
freeze in cold weather and cause brake failure.
⩥ The air brake system for a straight truck or bus should not leak at a
rate of more than __________ psi per minute with the engine off and the
brakes released. Answer: 2
⩥ To make an emergency stop with air brakes, using the stab braking
method, you should: Answer: Press on the brake pedal as hard as you
can, release the brakes when the wheels locked, put on the brakes again
when the wheels start rolling.
⩥ You should know that your brakes are fading when: Answer: You have
to apply the brake pedal harder to control speed on a downgrade.
⩥ If the air compressor should develop a leak, what keeps the air in the
tanks? Answer: The one way check valve.
,⩥ To check the brake slack on S-cam brakes you should park on:
Answer: Park on level ground, chock the wheels, and release the parking
brakes.
⩥ The application pressure gauge shows how much pressure you have:
Answer: When you are applying to the brakes.
⩥ The spring brakes used on the chambers in a straight truck will bring
you to a stop when air pressure drops below ______ psi. Answer: 20
⩥ The safety valve is set to automatically reduce pressure at ________
psi. Answer: 150
⩥ Your truck has a dual air system and one system loses its pressure.
What will happen? Answer: Either the front or back brake will not be
fully operational.
⩥ If your truck or bus has dual parking control valves, you can use
pressure from a separate tank to: Answer: Release the spring
emergency/parking brakes to move a short distance.
⩥ If your truck has a properly functioning dual air brake system and
minimum size air tanks. The air pressure should build from 85 to 100 psi
within _______ seconds? Answer: 45
, ⩥ During normal driving, spring brakes are usually held back by:
Answer: Air pressure
⩥ The air compressor stops pumping air at what psi? Answer: 125
⩥ The driver must be able to see a warning before pressure in the service
air tanks falls below ________ psi. Answer: 55
⩥ Excessive use of the service brakes results in overheating which can
lead to: Answer: Expansion of the brake drums.
⩥ The most common type of foundation brake found on heavy vehicles
is the: Answer: S-cam drum
⩥ If you must make an emergency stop, brake so you: Answer: Can steer
and your vehicle stays in a straight line.
⩥ The braking power of the spring brakes: Answer: Depends on the
service brakes being in adjustment.
⩥ The air brake lag distance at 55 mph on dry pavement adds about
_______ feet. Answer: 32
EXAM FINAL PAPER 2026 FULL
QUESTIONS WITH CORRECT ANSWERS
GRADED A+
⩥ Why drain water from the compressed air tanks? Answer: Water can
freeze in cold weather and cause brake failure.
⩥ The air brake system for a straight truck or bus should not leak at a
rate of more than __________ psi per minute with the engine off and the
brakes released. Answer: 2
⩥ To make an emergency stop with air brakes, using the stab braking
method, you should: Answer: Press on the brake pedal as hard as you
can, release the brakes when the wheels locked, put on the brakes again
when the wheels start rolling.
⩥ You should know that your brakes are fading when: Answer: You have
to apply the brake pedal harder to control speed on a downgrade.
⩥ If the air compressor should develop a leak, what keeps the air in the
tanks? Answer: The one way check valve.
,⩥ To check the brake slack on S-cam brakes you should park on:
Answer: Park on level ground, chock the wheels, and release the parking
brakes.
⩥ The application pressure gauge shows how much pressure you have:
Answer: When you are applying to the brakes.
⩥ The spring brakes used on the chambers in a straight truck will bring
you to a stop when air pressure drops below ______ psi. Answer: 20
⩥ The safety valve is set to automatically reduce pressure at ________
psi. Answer: 150
⩥ Your truck has a dual air system and one system loses its pressure.
What will happen? Answer: Either the front or back brake will not be
fully operational.
⩥ If your truck or bus has dual parking control valves, you can use
pressure from a separate tank to: Answer: Release the spring
emergency/parking brakes to move a short distance.
⩥ If your truck has a properly functioning dual air brake system and
minimum size air tanks. The air pressure should build from 85 to 100 psi
within _______ seconds? Answer: 45
, ⩥ During normal driving, spring brakes are usually held back by:
Answer: Air pressure
⩥ The air compressor stops pumping air at what psi? Answer: 125
⩥ The driver must be able to see a warning before pressure in the service
air tanks falls below ________ psi. Answer: 55
⩥ Excessive use of the service brakes results in overheating which can
lead to: Answer: Expansion of the brake drums.
⩥ The most common type of foundation brake found on heavy vehicles
is the: Answer: S-cam drum
⩥ If you must make an emergency stop, brake so you: Answer: Can steer
and your vehicle stays in a straight line.
⩥ The braking power of the spring brakes: Answer: Depends on the
service brakes being in adjustment.
⩥ The air brake lag distance at 55 mph on dry pavement adds about
_______ feet. Answer: 32
