Cdlexam.com

On which website sample questions for CDL Exam is available?

[Pathak]

You want sample questions for CDL Exam so I am providing you the same:

When coupling twin trailers, you should release the dolly brakes by:
Opening the air tank petcock

Pushing the air release valve on the dash

Dropping the trailer onto the fifth wheel

Letting the air out of the brake line

You are driving a 73-foot long double trailer combination at 35 mph. Pavement is dry and visibility is excellent.
How much following distance in seconds should you maintain at all times?
4 seconds

7 seconds

8 seconds

9 seconds

You are doing a walkaround inspection of a set of doubles.
You should be sure that the converter dolly air tank drain valves are ________and the pintle hook is _______
open; free

open; latched

closed; free

closed; latched

For the safest handling on the road when pulling doubles and triples
how should the load be positioned?
The heavier load in first position, the lighter in the rear.

The lighter load in first position, the heavier in the rear.

It does not matter which trailer is heavier.

You should equalize the load

On older vehicles there may be a lever, rather than a knob, for the tractor protection valve.
What are the normal and emergency positions?
The normal position is horizontal.
The emergency position is vertical.

The normal position is used for supplying air to the drive wheel brakes.
The emergency position is used to substitute for the emergency brakes.

The normal position is used for pulling a trailer.
The emergency position is used to shut air off to the trailer.

You are driving a set of triples. Which trailer is most likely to turn over in an emergency maneuver?
front trailer

middle trailer

rear trailer

all are as likely to turn over

8. You are driving a set of doubles. A set of trailer wheels goes into a skid. Which of these is most likely to occur?
You will have a trailer jackknife

The rig will continue to move in a straight line no matter how much the steering wheel is turned.

The rig will stay in a straight line but slide sideways

None of the above

9. Which of these statements about handling of doubles and triples is true?
The rear trailer of a 100 foot triple is less likely to turn over than a single semi trailer due to the crack the whip effect

A triple bottom rig can stop quicker that a 5 axle tractor semi trailer due to off tracking

A sudden movement with the steering wheel can result in a tipped over rear trailer