CDL Double-Triple
Trailers Test

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

Select the true statement about empty trucks:

What position should the heaviest trailer be in when pulling 3 trailers?

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

Select the statement that is true in regards to managing space to the sides.

How should you inspect a converter dolly?

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.

Select the true statement in regards to empty trucks:

Select the true statement about convex ("spot") mirrors.

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

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

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

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

When would a drive-wheel skid result in a jackknife when pulling doubles?

Remember to____when connecting the converter dolly to the rear trailer.

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

How do you check the air flow to the last trailer?

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

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

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

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

What do you need to do to supply air to the air tranks of the second trailer?

Your rig should be parked on__to uncouple double trailers.

Start by___when coupling.

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?

Which trailer is more likely to roll over when pulling 3 trailers?

You should check your mirrors while making a lane change:

How do you secure a second trailer to your combination vehicle?

You should look into the back of the fifth wheel on a dolly to see if it is locked onto the kingpin.

What do yo uneed to do before supplying air to the air tanks of the second trailer?

To be sure that air is supplied to the second trailer:

The best way to have control on curves is:

The correct trailer height when coupling the rear trailer is:

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

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

Why should you test the tractor protection valve?

Select the true statement about double or triple trailers.

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

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?

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