SOS MECHANIC CERTIFICATE ENGINE
REPAIR PRACTICE EXAM 2026 STUDY
PAPER QUESTIONS AND CORRECT
ANSWERS FULLY SOLVED
⩥ to test a vacuum power brake booster in the vehicle, you should pump
the brake pedal at least 4 times, hold the brake pedal depressed, and start
the engine. the brake pedal should:. Answer:drop slightly and remain
firm
⩥ You are installing a set of brake shoe linings that are not the same
length. Traditionally, the primary shoe lining is:. Answer:Smaller and
goes towards the front of the car.
⩥ A cracked or torn vacuum diaphragm in a brake power booster would
most likely cause:. Answer:a hard pedal feel requiring very high pedal
effort to stop
⩥ A mechanic finds gear lube inside both rear brake drums on a rear
wheel drive vehicle. What is the most likely cause of this problem?.
Answer:A plugged axle
⩥ Which of the following incorrect service procedures will cause brake
lock-up?. Answer:master cylinder push rod adjusted too long
, ⩥ Which of the following describes the proper way to depressurized an
ABS system?. Answer:Pump the brake pedal at least 25 times (or more,
depending on the manufacturer's recommendation) with the ignition off.
⩥ The rear brakes are dragging after having new linings installed and the
drums machined. the most likely cause is the:. Answer:technician use the
parking brake to adjust shoes and the cable is stuck
⩥ When turning brake drums:. Answer:use a dampening strap to reduce
chatter
⩥ Which of the following is NOT a necessary drum brake
measurement?. Answer:run-out
⩥ On a 3-channel system, which wheels are on the same circuit?.
Answer:both rear wheels
⩥ One way to test an ABS wheel speed signal is to use _____ on your
digital multimeter.. Answer:AC volts
⩥ The key input for the ABS control module comes from the:.
Answer:wheel speed sensors
REPAIR PRACTICE EXAM 2026 STUDY
PAPER QUESTIONS AND CORRECT
ANSWERS FULLY SOLVED
⩥ to test a vacuum power brake booster in the vehicle, you should pump
the brake pedal at least 4 times, hold the brake pedal depressed, and start
the engine. the brake pedal should:. Answer:drop slightly and remain
firm
⩥ You are installing a set of brake shoe linings that are not the same
length. Traditionally, the primary shoe lining is:. Answer:Smaller and
goes towards the front of the car.
⩥ A cracked or torn vacuum diaphragm in a brake power booster would
most likely cause:. Answer:a hard pedal feel requiring very high pedal
effort to stop
⩥ A mechanic finds gear lube inside both rear brake drums on a rear
wheel drive vehicle. What is the most likely cause of this problem?.
Answer:A plugged axle
⩥ Which of the following incorrect service procedures will cause brake
lock-up?. Answer:master cylinder push rod adjusted too long
, ⩥ Which of the following describes the proper way to depressurized an
ABS system?. Answer:Pump the brake pedal at least 25 times (or more,
depending on the manufacturer's recommendation) with the ignition off.
⩥ The rear brakes are dragging after having new linings installed and the
drums machined. the most likely cause is the:. Answer:technician use the
parking brake to adjust shoes and the cable is stuck
⩥ When turning brake drums:. Answer:use a dampening strap to reduce
chatter
⩥ Which of the following is NOT a necessary drum brake
measurement?. Answer:run-out
⩥ On a 3-channel system, which wheels are on the same circuit?.
Answer:both rear wheels
⩥ One way to test an ABS wheel speed signal is to use _____ on your
digital multimeter.. Answer:AC volts
⩥ The key input for the ABS control module comes from the:.
Answer:wheel speed sensors