PA CDL PRACTICE TEST - GENERAL KNOWLEDGE

11. Which of the following is a reason to cover cargo?
To protect people from spilled cargo
To protect the cargo from weather
To contain a spill
All of the above.
12. Shaded parts of the road:
usually are not slippery.
will remain icy and slippery after other areas have melted.
will melt before open areas.
usually don't freeze.
13. Which of the following trailers can get stuck on raised crossings?
Car carrier
Moving van
Lowboy
All of the above.
14. Sleep debt is defined as:
the amount of sleep you get each night.
the cumulative effect of not getting enough sleep.
the accumulated amount of sleep from frequent rest brakes.
All of the above.
15. Right after it starts to rain, the road is very slippery. Why?
Because rain is very slippery.
Because black ice may form on the road.
Because the water mixes with oil left on the road by vehicles.
None of the above.
16. After starting the engine the coolant temperature should:
rise quickly.
slowly decrease.
hold steady.
rise gradually.
17. When switching gears, if you remain too long in Neutral:
the ABS won't work.
the vehicle will speed up.
the brakes won't work.
you may have difficulty putting the vehicle into the next gear.
18. Water in the brakes can cause the brakes to:
break.
overheat.
be weak or apply unevenly.
fade.
19. Which of the following is a key steering system part?
Tie rod
U-bolts
Leaf spring
Anchor plate
20. Your vehicle has automatic transmission. When going down grades, you should:
select a high range to reduce engine braking.
select a low range to get greater engine braking.
select a high range to get greater engine braking.
put the gearshift in "Park".
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