KNOWLEDGE CDL- EXAM | QUESTIONS AND ANSWERS |VERIFIED
AND WELL DETAILED ANSWERS| LATEST EXAM UPDATE
When driving through construction zones, you should - CORRECT ANSWER -
Watch for sharp pavement drop-offs
Which of the following is true about the use of reflective emergency triangles -
CORRECT ANSWER - if you stop on a hill or curve, it's necessary to place them
as much as 500 ft out to provide adequate warning
When driving a vehicle with a height over 13 ft, you should - CORRECT
ANSWER - stop and check before proceeding if you are unsure of the clearance
The proper way to load a vehicle is - CORRECT ANSWER - keep the load
balanced in the cargo area
When Driving at night you should - CORRECT ANSWER - adjust your vehicle
speed so as to keep your stopping distance within your sight distance
While driving you're looking ahead of your vehicle. What's the best way to do that?
- CORRECT ANSWER - Look back and forth, and near and far
According to the CDL manual, why should you limit the use of your vehicle horn?
- CORRECT ANSWER - it may startle other drivers
,If you break down on a level, straight, four-lane, divided highway, Where should
you place the reflective emergency triangles - CORRECT ANSWER - One 10 ft
from rear of vehicle, One 100 ft from rear of vehicle,and one about 200 ft from
rear of vehicle
Bridge Formulas are designed to - CORRECT ANSWER - permit less maximum
axle weight for axles that are closer together
If you drive through heavy rain or standing water, your brakes may get wet. What
can this cause to happen when you apply the brakes - CORRECT ANSWER -
lack of braking power, wheel lockups pulling to one side or the other and Trailer
Jacknife
Statistics prove that most serious skids are a result of - CORRECT ANSWER -
Driving too fast for conditions
Which of the following should you NOT do - CORRECT ANSWER - Flash your
brakes if someone is following too closely
Controlled braking is - CORRECT ANSWER - applying firm brake pressure, but
not to the point of lock up
Stab Braking is Not used on vehicles - CORRECT ANSWER - With Anti Lock
brakes
, What three factors add up to the total stopping distance for a commercial motor
vehicle without air brakes - CORRECT ANSWER - Perception Distance,
Reaction Distance and Braking Distance
Your driving on a straight and level roadway at 60 mph and suddenly a tire blows
out on your vehicle what should you do first - CORRECT ANSWER - Grip the
steering wheel firmly with both hands and stay off the brakes until the vehicle has
slowed down
When traveling down a long downgrade you should always - CORRECT
ANSWER - use the braking effect of the engine
Which of the following statements about backing a commercial motor vehicle is to
a dock is Not true - CORRECT ANSWER - Since you cant see behind you, you
should back slowly until you bump the dock
Shifting gears properly is important because - CORRECT ANSWER - doing so
helps you maintain control of the vehicle
As Alcohol begins to build up in the body Which of the following is affected first -
CORRECT ANSWER - Judgement and self control
Which of the following is true? - CORRECT ANSWER - Tires of mismatch sizes
should not be used on the same vehicle
Controlled braking is - CORRECT ANSWER - used when the goal is to keep the
vehicle in a straight line while braking