CDL Double-Triple
Trailers Test

Select the true statement in regards to unhooking the pintle hook while the converter dolly is still under the trailer.

Select the statement that is true in regards to quick steering movements and triple/double trailers:

What should you hear when you test the trailer brakes by opening the service air line at rear of trailer with the hand valve on?

Select the true statement in regards to quick steering movements and double trailers:

Where are shut off valves located on trailers that are doubles or triples?

Double and triple trailers should be driven with care to avoid a rollover or jacknife.

Why should you test the tractor protection valve?

The trailer height is correct for connecting a converter dolly to a second or third trailer when:

Select the true statement in regards to driving a truck with triple or double trailers:

In what position should the converter dolly air tank drain valve be in for double trailer combination?

The pintle hook should be_____ and the converter dolly air tank drain valve is___when doing a walk around inspection of a triple or double trailer.

What is the minimum amount of distance you should maintain when driving at 50 mph in ideal conditions with a 100 ft twin trailer combination?

Select the true statement in regards to managing the space to the sides:

The main reason you should pull the dolly out from under a trailer before disconnecting it from the trailer in front is:

Select the action that is not recommended when driving on slipper roads:

Select the statement of what you should not do if you are required to drive through flowing water or deep puddles.

What should you hear when you have the hand valve on and are testing the trailer brakes by opening the service air line at the back of the trailer?

You should keep a minimum of ____between another vehicle and the double trailer with 100 ft truck driving at 30 mph.

Select the true statement in regards to a converter dolly:

In what position should the converter dolly air tank drain valves and pintle hook be in?

What is most likely to occur when driving double and a set of trailer wheels goes into a skid?

In what position should the shut off valves on a the rear of the front trailer be in on a set of double trailers?

What is the stopping distance for a tractor trailer that is traveling at 55 mph on dry pavement?

Select the true statement about converter dollies:

You can be sure air is supplied to the second trailer by:

Start by___when coupling.

Select the action that is not appropriate when driving on slippery roads:

When driving with multiple trailers, which one should be right behind the tractor?

Why is it dangerous to unlock the pintle hook with the dolly still under the rear trailer?

What are the 3 methods for securing a second trailer before coupling?

For emergency braking when driving a double trailer and having to use your brakes to avoid a collision is to:

Which trailer is most likely to tip over due to the crack the whip effect?

You don't want to use wheel chocks when hooking a combination to a second trailer with no spring brakes. What should you do?

How do you test the trailer service brakes?

Which trailer should be the first one after the tractor?

The crack-the-whip effect is more likely to cause the front trailer to tip over.

In what position should shut off valves on the rear of the last trailer be in on a set of double trailers?

How should you inspect a converter dolly?

What method should be used to test that the air is flowing to all the trailers?

What will probably happen if the converter dolly is still under the second trailer and the pintle hook is unhooked?