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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 Missouri CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The MO tanker test covers the following sections of the Missouri CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this MO tanker practice test now to prepare for the actual test!
1. When possible, you should park:
so you will have to back up when you leave.
on the shoulder.
so you will be able to pull forward when you leave.
2. In vehicles with air brakes, the two markings on a front brake limiting valve are:
high and low.
left and right.
normal and slippery.
3. On a tractor-trailer equipped with a trailer brake hand valve, the hand valve can be used to:
keep from rolling back.
prevent movement of cargo.
hold compressed air.
4. If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
10, 100 and 200 feet
5, 25 and 50 feet
5, 50 and 500 feet
5. How many reflective triangles/emergency reflectors should you carry?
6. The best advice for driving in fog is:
use low beams.
don't drive.
use high beams.
7. To reduce driver distraction, you should do all of the following except:
Plan your route before driving
Pre-program radio stations
Eat while driving.
8. When going down grades, you should:
put the transmission in Neutral.
shift up.
downshift to a lower gear.
9. A material’s hazard class reflects:
the type of packaging required to transport the material.
the methods for handling spills or leaks in the absence of fires.
the risks associated with the material.
10. If the "Hazard Class" or "Division" column of the Hazardous Material Table contains the word "Forbidden", you should:
be aware that the load may require a police escort.
never transport the "Forbidden" material.
transport the "Forbidden" material at night.
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Tanker Test - MO CDL

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