CDL PRACTICE TEST (CO) - GENERAL KNOWLEDGE TEST

41. If driving a heavy vehicle, you should:
stay in the left lane.
try to pass other vehicles going uphill.
stay in the right lane.
avoid braking.
42. Passive railroad crossings:
do not have traffic control devices.
have at least one traffic control device.
should never be crossed using a CMV.
usually have a person directing traffic.
43. If you have a manual transmission, when stopping don't _______ until the engine rpm is down close to idle.
push the clutch in
shift to second gear
place the transmission in park
apply the brakes
44. Controlled braking:
must be used when you need to turn sharply while braking.
can be used to keep your vehicle in a straight line and allow you to turn if necessary.
involves pumping the brakes while keeping steering wheel movements very small.
involves locking the wheels and then releasing the brakes.
45. If you hear a loud loud "bang" and the steering feels "heavy", you should:
hold the steering wheel firmly and stay off the brake.
pump the brakes until the vehicle has slowed down.
brake hard and pull off the road.
check your rearview mirrors to see if you have a flat tire.
46. Drivers should not assume that the heights posted at bridges and overpasses are correct. Why?
The bridge/overpass may have been rebuilt since the heights were originally posted.
The weight of a cargo van changes its height.
Some roads can cause a vehicle to tilt.
Packed snow or repaving may have reduced the clearances since the heights were posted.
47. During a trip:
you should watch gauges for signs of trouble.
you should not watch gauges as they can be misleading.
you should watch gauges to make sure that valve caps are not missing.
None of the above.
48. Placards must be placed:
on the front, rear and both sides of the vehicle.
on the front only.
on the driver's side of the vehicle.
on the rear only.
49. In order for you to be seen easily:
lights should be turned off when driving during the day.
lights should only be used when driving in driving in rainy weather.
lights should be clean and working properly.
All of the above.
50. The ABS malfunction lamp on the instrument panel is:
Blue
Yellow
Red
Orange
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