MD CDL PRACTICE TEST - GENERAL KNOWLEDGE

11. Which of the following statements about driving in hot weather is true?
If a tire is too hot to touch, you should hose it down with water.
Spots where tar "bleeds" to the surface provide better traction.
You should check the tire mounting and air pressure before driving.
All of the above.
12. To back safely, you should NOT:
use a helper whenever possible.
back to the right side whenever possible.
back as slowly as possible and use the lowest reverse gear.
look at your line of travel before you begin backing.
13. If your vehicle is hydroplaning, you should:
stay off the brake.
put the vehicle in reverse.
apply the brakes.
speed up.
14. It's very important to distribute the cargo so it is:
as high up as possible.
as low as possible.
piled up.
in the centre of the load.
15. If the engine catches fire, you should:
turn off the engine as soon as you can.
avoid shooting foam from the vehicle's underside.
open the hood as soon as you can.
pull into a service station and notify the emergency services.
16. Hanging meat in a refrigerated truck can be:
a very unstable load with a high center of gravity.
a very unstable load with a low center of gravity.
a very stable load with a low center of gravity.
a very stable load if properly distributed.
17. In order for you to be seen easily:
lights should only be used when driving in driving in rainy weather.
lights should be turned off when driving during the day.
lights should be clean and working properly.
All of the above.
18. Which of the following is not a rule for using turn signals?
Signal early
Signal continuously
Cancel your signal after you have turned
Don't signal unless another vehicle is behind you
19. How should you apply the brakes when going down a steep downgrade?
Apply the brakes as hard as you can without locking the wheels.
You should not brake, and only use engine braking to prevent brake failure.
Apply the brakes whenever you reach your safe speed, until your speed has been reduced to 5 mph below your safe speed.
Apply the brakes when you reach the bottom of the downgrade.
20. Too much weight on the steering axle can cause:
poor traction.
better handling.
hard steering and damage to the steering axle and tires.
None of the above.
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