LOUISIANA CDL DOUBLES TRIPLES PRACTICE TEST
11.
Containerized loads are used:
|
when transporting explosives.
|
|
|
when transporting liquids.
|
|
|
when the cargo has been or will be carried by rail or ship.
|
|
|
when the cargo exceeds the weight limit.
|
12.
When you make a quick lane change, the crack-the-whip effect can turn the trailer over. The crack-the-whip effect is caused by:
|
rearward amplification.
|
|
|
strong wind.
|
|
|
worn tire tread.
|
|
|
the rear trailer of a triple.
|
13.
It's very important to distribute the cargo so it is:
|
as low as possible.
|
|
|
piled up.
|
|
|
as high up as possible.
|
|
|
in the centre of the load.
|
14.
Off-tracking is:
|
when a vehicle makes a turn and the rear wheels of the trailer end up driving in a different path than the tractor and the front wheels of the trailer.
|
|
|
when a vehicle towing a trailer skids, and the trailer pushes the towing vehicle from behind until it spins the vehicle around.
|
|
|
when the tires lose their contact with the road and have little or no traction.
|
|
|
None of the above.
|
15.
Which of the following is a reason to cover cargo?
|
To contain a spill
|
|
|
To protect the cargo from weather
|
|
|
To protect people from spilled cargo
|
|
|
All of the above.
|
16.
To make the brakes work, air brakes use:
|
hydraulic air.
|
|
|
carbon monoxide.
|
|
|
nitrogen.
|
|
|
compressed air.
|
17.
Your mirrors should be adjusted so that:
|
the rear of the vehicle is visible in the mirror.
|
|
|
more than half of the mirror shows the vehicle.
|
|
|
no part of the vehicle is visible in the mirror.
|
|
|
a part of the vehicle is visible in the mirror.
|
18.
Rims with welding repairs:
|
can be used for tires in the front of the vehicle.
|
|
|
are not safe.
|
|
|
can be used for tires in the rear of the vehicle.
|
|
|
are acceptable only when carrying a heavy load.
|
19.
Which of the following is most likely to roll over?
|
The front trailer of a double
|
|
|
The rear trailer of a triple
|
|
|
The rear trailer of a double
|
|
|
The middle trailer of a triple
|
20.
Move-over laws require drivers to _________ when approaching an emergency vehicle stopped on the roadside or a work zone.
|
sound their horn
|
|
|
change direction
|
|
|
stop
|
|
|
slow down and change lanes
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More