PMI-108 final 2024 fall semester

Front

Inspection of the fifth wheel includes which of the following: checking tightness of mounting hardware and replacing any missing or damaged bolts, checking for broken or distorted components and repair or replace, as needed, checking the adjustment of the fifth wheel locks and adjusting them using the recommend service tools and procedures?

Back

all of the above

Front

All bolts holding the fifth wheels and coupling devices must be a minimum of a grade ___ bolts

Back

8

Front

if the locks cannot be properly adjusted due to wear, the fifth wheel must be____ or replaced

Back

rebuilt

Front

What type of grease should be used on the fifth wheel top plate contact surfaces?

Back

water resistant lithium based grease

Front

The coupling king pin is attached to the

Back

Trailer

Front

The sliding fifth wheel (if equipped) should be checked for excessive ____ or movement

Back

play

Front

If a king pin is excessively loose or out of adjustment, the driver may complain of

Back

a banging noise from the fifth wheel every time the tractor accelerates or decelerates

Front

If a fifth wheel's locking jaws are tightened to fit an out of spec King pin, what type of problem is going to occur?

Back

you may not be able to release a trailer with a properly sized king pin

Front

The low air warning light and buzzer should activate when the air pressure is at _____ or below

Back

60 psi

Front

What are the different types of DOT lighting?

Back

Headlights, tail lights, brake lights, and turn signals