CDL TANKER TEST IDAHO - PRACTICE TEST

11. Tank vehicles:
have a high center of gravity.
require less space for stopping and turning than most other vehicles.
have a low center of gravity.
12. How should you apply the brakes when going down a steep downgrade?
Apply the brakes when you reach the bottom of the downgrade.
Apply the brakes as hard as you can without locking the wheels.
Apply the brakes whenever you reach your safe speed, until your speed has been reduced to 5 mph below your safe speed.
13. When coupling, you should:
make sure the trailer wheels are not chocked.
make sure the trailer kingpin is bent.
be aware that wrong coupling and uncoupling can be very dangerous.
14. An ABS system:
helps you avoid skids caused by over braking.
gives you more control over the vehicle during braking.
All of the above.
15. How does liquid surge affect the handling of a tank vehicle?
It tends to push the truck in the direction the wave is moving.
It makes the road slippery.
It makes it easier to slow down to a safe speed.
16. Retarders:
reduce braking distance.
help slow a vehicle, reducing the need for using brakes.
improve gas mileage.
17. In newer vehicles with air brakes, you put on the parking brake:
using a diamond-shaped, yellow, push-pull control knob.
placing the transmission in Park.
using a P-shaped, yellow control knob.
18. You are driving on a steep downgrade in the proper low gear. Your "safe" speed is 40 mph. When your speed reaches 40 mph, you should:
increase your speed to approximately 45 mph, and then apply release the brakes.
apply the brakes to gradually reduce your speed to 35 mph, and then release the brakes.
apply the brakes to quickly reduce your speed to 25 mph, and then release the brakes.
19. Road surfaces where water collects can create conditions that cause a vehicle to hydroplane. Which of the following is an indication of standing water?
Tire splashes
Clear reflections
All of the above.
20. With the controlled braking method:
you apply your brakes as hard as possible without locking the wheels.
you lightly tap the brakes.
you apply your brakes all the way and release the brakes when the wheels lock up.
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