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The tanker endorsement applies to drivers who wish to drive a tank in Class A, B, or C CDL. To add this endorsement to your CLP/CDL, you must pass a knowledge test on the problems posed by large volume liquid cargos. The Idaho CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The ID tanker test covers the following sections of the Idaho CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this ID tanker practice test now to prepare for the actual test!
1. If you are being tailgated, you should do all of the following except:
Increase your following distance
Reduce your speed gradually
Turn on your taillights
2. If you are feeling sleepy, you should:
pull off the road and rest.
get some coffee.
slow down.
3. Most heavy trucks with manual transmissions require ____ to change gears.
single clutching
double clutching
triple clutching
4. When transporting chlorine in cargo tanks, you must have _______ in the vehicle.
an approved gas mask
5 reflective triangles
approved goggles
5. What should you do when confronted by an aggressive driver?
Make eye contact
Ignore gestures
Challenge them by speeding up
6. If the vehicle ahead of you is smaller than yours:
it will usually take longer to stop.
it can probably stop faster than you can.
it will take the same amount of time to stop.
7. When confronted by an aggressive driver, you should:
call the police, if you have a cell phone and can do it safely.
avoid eye contact.
All of the above.
8. If your trailer starts to skid, you should:
release the brakes.
steer in the opposite direction.
pump the brakes.
9. How many drinks per hour can be handled by the liver?
About 2 drinks per hour.
About 3 drinks per hour.
About 1 drink per hour.
10. Liquid surge results from movement of the liquid in partially filled tanks. Side-to-side surge can cause:
brake failure.
a rollover.
tire failure.
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ID Tanker Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
Number of questions: 20
Correct answers to pass:16
Passing score:80%
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