IA CDL Tanker Test - FREE CDL Practice Test (2024)

1. Engine oil pressure should come up to normal within _________ after the engine is started.

2. If you are carrying a heavy load that is slowing you down, you should:

3. Hazardous materials should be loaded:

away from heat sources.
even if some packages are leaking.
near heat sources.

4. To warn drivers behind you when you see you'll need to slow down, you should:

5. When you need to brake, you should warn the drivers behind:

by flashing your brake lights.
by changing lanes.
by making gestures.

6. For safety during a trip, you should:

watch gauges for signs of trouble.
check critical items when you stop.
All of the above.

7. It may not be safe to operate at legal maximum weights:

on two-way streets.
during bad weather or in mountains.
in hot weather.

8. Shippers must warn drivers and others about the material's hazards:

by making a written report each day on the condition of the material.
by placing a red triangle with an orange center on the vehicle.
by putting hazard warning labels on packages.

9. Baffled liquid tanks have:

separate tanks inside the trailer.
bulkheads in them with holes that let the liquid flow through.
hollow balls floating in the liquid to slow movement.

10. Texting while operating a commercial motor vehicle is:

acceptable if you are contacting your supervisor.
illegal.
acceptable if you are contacting your dispacther.

TANKER PRACTICE TEST - IOWA CDL