General
NOT a possible penalty for having more than one license.
What is a warning for a first offense?
When you check the lower fifth wheel, you do NOT need to check?
That the shut-off valves are completely closed
The purpose of a supply pressure gauge?
To tell you how much air is in the tank.
You are driving a set of doubles. A set of trailer wheels goes into a skid. Which is most likely to occur?
You will have a trailer jack knife.
Empty trucks.
May require a longer stopping distance than full trucks.
Your vehicle is stuck on rail road tracks.
What is immediately get out of the cab and move away from the tracks?
Where would you find the shut-off valves?
In the rear of the trailer.
Why must air tanks be drained?
Your brakes may fail because of water freezing.
You are driving a 100-foot truck with double trailers at 30mph. The road is dry. Visibility is good. You should keep at least ___ seconds of space ahead of you.
10 seconds.
You should be very cautious when driving smooth bore tankers, especially when you are?
Starting or stopping
Steps for checking your signal lights.
Turn off all lights, turn on the stop lights, and turn on the left turn signal lights.
What is the first step in coupling a tractor-semitrailer?
Inspect the fifth wheel.
Why must you study air brakes in the state of California?
You will have to get a CDL with restrictions.
What is true about quick steering movements and doubles/triples?
Doubles/triples flip over from quick steering movements more easily than do many other vehicles.
You are driving on a clear night. You must dim your headlights from high to low. You should adjust your speed so you can stop within?
The distance you can see ahead.
When you back your trailer, you should?
Back in as straight a line as possible.
If you use the trailer hand valve while driving.
You might make the trailer skid.
When should you use the parking brake?
Every time you leave your vehicle, with rare exceptions.
When driving with more than one trailer, which trailer should be the first one behind the tractor?
The heaviest trailer.
You are driving a tanker truck. The front wheels begin to skid. Which is most likely to occur?
You will continue in a straight line and keep moving forward no matter how you steer.
What should you NOT do during a drive wheel skid?
Steer into the skid.
What can happen if you try to couple when the trailer is too high?
It might not couple correctly.
What conditions are ideal for front wheel brakes?
All weather conditions
You are visually checking the coupling of a converter dolly to the rear trailer. How much space should there be between the upper and lower fifth wheel?
There should be none.
You should know the outage needed for the liquids you care because?
Some liquids expand more than others when they get warm.