GENERAL KNOWLEDGE CDL TEST OREGON - PRACTICE TEST
41.
When driving at night, you should use ________ when you can.
|
indicator lights
|
|
|
emergency flashers
|
|
|
low beams
|
|
|
high beams
|
42.
When changing lanes, you should:
|
not use your turn signals.
|
|
|
not use your mirrors.
|
|
|
do it quickly.
|
|
|
None of the above.
|
43.
If you are carrying a heavy load that is slowing you down, you should:
|
drive on the shoulder.
|
|
|
drive in the right lane.
|
|
|
keep the vehicle in third gear.
|
|
|
drive in the left lane.
|
44.
Rollovers happen when drivers:
|
turn too slowly.
|
|
|
stop too often.
|
|
|
brake too hard.
|
|
|
turn too fast.
|
45.
The spring brakes come on:
|
when air pressure in both air brake systems rises to a value set by the manufacturer.
|
|
|
when you lose ABS control.
|
|
|
when main air pressure is lost.
|
|
|
when you bring the vehicle to a complete stop right away.
|
46.
In ideal conditions, if you are driving at 55 mph your vehicle will travel a minimum of _______ until you can bring it to a complete stop.
|
250 feet
|
|
|
209 feet
|
|
|
419 feet
|
|
|
At least 350 feet
|
47.
Most heavy trucks with manual transmissions require ____ to change gears.
|
triple clutching
|
|
|
single clutching
|
|
|
double clutching
|
|
|
None of the above.
|
48.
The best way to test the trailer service brakes is to:
|
accelerate to the maximum possible speed, then apply the trailer brakes fully.
|
|
|
put the handbrake on when there are no vehicles around you.
|
|
|
pull forward quickly, then apply the trailer brakes with your hand control.
|
|
|
None of the above.
|
49.
The ABS malfunction lamp on the instrument panel is:
|
Red
|
|
|
Orange
|
|
|
Yellow
|
|
|
Blue
|
50.
When water collects on the road. your vehicle can:
|
hydroplane.
|
|
|
accelerate.
|
|
|
stop suddenly.
|
|
|
None of the above.
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More