CDL COMBINATION PRACTICE TEST HAWAII

11. At speeds below 40 mph, you should leave at least one second in front of you for each ___ feet of vehicle length.
5
20
10
12. 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.
You should slow down, as your truck can roll over at the posted speed limit for the curve.
Reduce your speed to a crawl.
13. What happens when the center of gravity of a truck moves higher up from the road?
The vehicle is more stable while turning.
The truck becomes easier to turn over.
It is easier it is to turn around corners.
14. Which of the following is NOT part of a trailer air line system?
Glad hands
Emergency air-line
Kingpin
15. Which of these statements is true?
Large combination vehicles take longer to stop when they are fully loaded than when they are empty.
Trailer skids are more likely to happen when the trailer is empty or lightly loaded.
"Bobtail" tractors can take longer to stop than a combination vehicle loaded to maximum gross weight.
16. When transporting cargo, the cargo should be checked:
only before the trip.
before the trip and after the first 150 miles.
before the trip and after the first 50 miles.
17. You must have at least 4/32 inch tread depth in every major groove on front tires and at least ___ inch on other tires.
2/32
1/32
4/32
18. The service line is also called:
control line or signal line.
signal line or air line.
pressure line or signal line.
19. When driving a 50 foot combination vehicle at 50 mph in ideal conditions, you should keep at least ____ seconds of space in front of you.
6
5
10
20. Most heavy vehicles require ________ change gears.
single clutching
double shifting
double clutching
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More