PA Safety Inspection Cat 3 Exam Quiz with
Answers.
The parking brake must hold on what percentage of slope? - Correct Answer 20%
Ice grips or studs can not stick out of the tire more then how much? - Correct Answer 2/32
True or False: A vehicle will fail inspection if all ornamental lights do not work? - Correct
Answer True
How many fog lamps can a heavy truck have? - Correct Answer A heavy truck can have
one pair of auxiliary and fog lamps
What vehicles are allowed to have a wooden plank bumper? - Correct Answer Tow trucks
& road service trucks
How close must mudflaps be to the ground? - Correct Answer There's no measurement.
They simply must provide adequate covering of the tires
What is the minimum surface area for mirrors on trucks over 10,000 lbs? - Correct Answer
50 square inches
True or False: A vehicle fails if there are lights attached to the mudflap? - Correct Answer
True
What would cause the step well on a bus to fail inspection? - Correct Answer If it's
cluttered, worn, or presents a tripping hazard
When can fog lamps operate? - Correct Answer With the high beams
What would cause a fifth wheel to fail inspection? - Correct Answer If it's cracked, loose, or
missing. if the jaws do not operate.
How much freeplay is allowed for a 22" steering wheel? - Correct Answer 2 3/4"
A low vacuum indicator must happen at what reading? - Correct Answer 8 in. hg (mercury)
What would cause an air compressor to fail state inspection? - Correct Answer Loose
mounting bolts or pulley. Cracked, frayed, or worn belts.
What is an acceptable way of connecting air hoses? - Correct Answer By using the proper
fittings or couplings
What is the minimum tread depth on front tires for vehicles over 10,000 lbs GVWR? -
Correct Answer 4/32
Answers.
The parking brake must hold on what percentage of slope? - Correct Answer 20%
Ice grips or studs can not stick out of the tire more then how much? - Correct Answer 2/32
True or False: A vehicle will fail inspection if all ornamental lights do not work? - Correct
Answer True
How many fog lamps can a heavy truck have? - Correct Answer A heavy truck can have
one pair of auxiliary and fog lamps
What vehicles are allowed to have a wooden plank bumper? - Correct Answer Tow trucks
& road service trucks
How close must mudflaps be to the ground? - Correct Answer There's no measurement.
They simply must provide adequate covering of the tires
What is the minimum surface area for mirrors on trucks over 10,000 lbs? - Correct Answer
50 square inches
True or False: A vehicle fails if there are lights attached to the mudflap? - Correct Answer
True
What would cause the step well on a bus to fail inspection? - Correct Answer If it's
cluttered, worn, or presents a tripping hazard
When can fog lamps operate? - Correct Answer With the high beams
What would cause a fifth wheel to fail inspection? - Correct Answer If it's cracked, loose, or
missing. if the jaws do not operate.
How much freeplay is allowed for a 22" steering wheel? - Correct Answer 2 3/4"
A low vacuum indicator must happen at what reading? - Correct Answer 8 in. hg (mercury)
What would cause an air compressor to fail state inspection? - Correct Answer Loose
mounting bolts or pulley. Cracked, frayed, or worn belts.
What is an acceptable way of connecting air hoses? - Correct Answer By using the proper
fittings or couplings
What is the minimum tread depth on front tires for vehicles over 10,000 lbs GVWR? -
Correct Answer 4/32
