CDL COMBINATION PRACTICE TEST (KY)

11. After coupling the trailer, begin raising the landing gear by using:
the electrical cord.
the crank handle.
the high gear range.
the low gear range.
12. If a load is 50 feet long, the minimum number of tie-downs required is:
10
4
5
3
13. Which of the following may have reduced the clearances since the heights were posted at bridges and overpasses?
The weight of a cargo
Rain
Repaving of the road
Traffic
14. After starting the engine, oil pressure should rise to a normal level:
within 6 minutes.
within seconds.
within 2 minutes.
within 3 miles.
15. You have two tie-downs on a 15 foot load. How many more tie-downs do you need to secure cargo and keep it from shifting or falling?
Three
Two
One
None
16. If during vehicle inspection a tire is too hot to touch, you should:
remain stopped until the tire cools off.
let air out.
make sure there is enough engine oil on the tires.
immediately decrease air pressure.
17. If your trucks has a high center of gravity, which of the following is true for curves?
You should travel at the posted speed limit.
Reduce your speed to a crawl.
You should slow down, as your truck can roll over at the posted speed limit for the curve.
None of the above.
18. When backing a trailer on a curved path you should back towards:
neither side (back up straight).
the driver's side.
either side.
the passenger's side.
19. When you drive a tractor-trailer combination with ABS, you should:
apply the trailer hand brake whe braking.
brake as you always have.
always apply the brakes hard.
pump the brakes.
20. You should always try to back toward the driver's side because:
backing toward the left side is more dangerous.
you can more easily correct any steering errors.
you can watch the rear of your vehicle out the side window.
None of the above.
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