CDL GENERAL KNOWLEDGE EXAM 100
QUESTIONS AND ANSWERS 100%
ANSWERED.
How far ahead should a driver be looking while driving a vehicle? - ANSWERa. 1/8 mile.
b. 1/4 mile.
c. 1/2 mile.
d. 3/4 mile.
You are driving a heavy vehicle and must exit the highway using an off ramp that curves
downhill. You should: - ANSWERa. use the posted speed limit for the ramp.
b. slow down to a safe speed before the ramp.
c. wait until you are in the curve before you start to downshift.
d. shift to a higher gear before the turn.
Which of these statements are true about downshifting. - ANSWERa. When you
downshift for a curve, you should do so before you enter the curve.
b. When you downshift for a hill, you should do so after you start down the grade.
c. When you downshift for a curve, you should do so after you enter the curve.
d. When you downshift for a curve, do so just after the curve.
Which fires can you put out with water? - ANSWERa. tire fires.
b. fuel fires.
c. electrical fires.
d. chemical fires.
Which of these statements about backing a heavy vehicle is true. - ANSWERa. never
get out and look before backing.
b. You should avoid backing whenever you can.
c. When you use a helper, he/she should use clear voice signals
d. it is safer to back to the right side of the vehicle than it is to the drivers side.
The key point in balancing cargo weight is to keep the load. - ANSWERa. to the front.
b. to the rear.
c. centered.
d. low to the floor.
In normal driving some drivers use the hand valve before the brake pedal to prevent a
jackknife. Which of these statements are true? - ANSWERa. This should not be done.
b. This results in less skidding.
c. Lets driver steer with both hands.
d. Best way to brake in a straight line.
, There are two things a driver can do to prevent a roll over, the first, keep the cargo as
close to the floor as possible and what is the other? - ANSWERa. make sure the brakes
are adjusted.
b. keep both hands firmly on the wheel.
c. go slow around turns.
d. keep 5th wheel free play tight.
Brakes can get wet when you drive through a heavy rain. Wet brakes can cause? -
ANSWERa. wheel lockup.
b. trailer jackknife.
c. pulling to one side.
d. all the above.
Which of these statements are true about brakes? - ANSWERa. The heavier a vehicle
or the faster it is moving, the more heat the brakes have to absorb to stop it.
b. Brakes have more stopping power when they get very hot.
c. When going down hill, heavy use of the brakes is recommended.
d. Brake drums cool very quickly.
Which of these is the most important thing to remember about emergency brakes? -
ANSWERa. Disconnecting the steering axle brakes will keep the vehicle in a straight
line.
b. To keep the rear wheels from skidding, brake hard.
c. Never do it without downshifting first.
d. If the wheels are skidding, you cannot control the vehicle.
You are checking your steering and exhaust systems during a pre-trip inspection. Which
of these statements is true? - ANSWERa. Steering wheel play of more than 10 degrees
( 2 inches on a 20-inch steering wheel) can make it hard to steer.
b. Leaks in the exhaust system are not a problem if they are outside of the cab.
c. Some leakage of power steering fluid is normal.
d. if you find a leak in the exhaust system, drive with the window open.
Your vehicle is in a traffic emergency and may collide with another vehicle if you do not
take action. - ANSWERa. You can almost always turn to miss an obstacle more quickly
than you can stop.
b. Stopping is always the safest action in a traffic emergency.
c. Leaving the road is always more risky than hitting another vehicle.
d. Unbuckle your seat belt before impact so you will not be trapped inside your vehicle.
Which of these is a good rule to follow when driving at night? - ANSWERa. Always use
your high beams at night.
b. Look directly at the oncoming headlights.
c. Keep your speed slow enough to stop within the range of your headlights.
d. Keep your instrument lights bright.
QUESTIONS AND ANSWERS 100%
ANSWERED.
How far ahead should a driver be looking while driving a vehicle? - ANSWERa. 1/8 mile.
b. 1/4 mile.
c. 1/2 mile.
d. 3/4 mile.
You are driving a heavy vehicle and must exit the highway using an off ramp that curves
downhill. You should: - ANSWERa. use the posted speed limit for the ramp.
b. slow down to a safe speed before the ramp.
c. wait until you are in the curve before you start to downshift.
d. shift to a higher gear before the turn.
Which of these statements are true about downshifting. - ANSWERa. When you
downshift for a curve, you should do so before you enter the curve.
b. When you downshift for a hill, you should do so after you start down the grade.
c. When you downshift for a curve, you should do so after you enter the curve.
d. When you downshift for a curve, do so just after the curve.
Which fires can you put out with water? - ANSWERa. tire fires.
b. fuel fires.
c. electrical fires.
d. chemical fires.
Which of these statements about backing a heavy vehicle is true. - ANSWERa. never
get out and look before backing.
b. You should avoid backing whenever you can.
c. When you use a helper, he/she should use clear voice signals
d. it is safer to back to the right side of the vehicle than it is to the drivers side.
The key point in balancing cargo weight is to keep the load. - ANSWERa. to the front.
b. to the rear.
c. centered.
d. low to the floor.
In normal driving some drivers use the hand valve before the brake pedal to prevent a
jackknife. Which of these statements are true? - ANSWERa. This should not be done.
b. This results in less skidding.
c. Lets driver steer with both hands.
d. Best way to brake in a straight line.
, There are two things a driver can do to prevent a roll over, the first, keep the cargo as
close to the floor as possible and what is the other? - ANSWERa. make sure the brakes
are adjusted.
b. keep both hands firmly on the wheel.
c. go slow around turns.
d. keep 5th wheel free play tight.
Brakes can get wet when you drive through a heavy rain. Wet brakes can cause? -
ANSWERa. wheel lockup.
b. trailer jackknife.
c. pulling to one side.
d. all the above.
Which of these statements are true about brakes? - ANSWERa. The heavier a vehicle
or the faster it is moving, the more heat the brakes have to absorb to stop it.
b. Brakes have more stopping power when they get very hot.
c. When going down hill, heavy use of the brakes is recommended.
d. Brake drums cool very quickly.
Which of these is the most important thing to remember about emergency brakes? -
ANSWERa. Disconnecting the steering axle brakes will keep the vehicle in a straight
line.
b. To keep the rear wheels from skidding, brake hard.
c. Never do it without downshifting first.
d. If the wheels are skidding, you cannot control the vehicle.
You are checking your steering and exhaust systems during a pre-trip inspection. Which
of these statements is true? - ANSWERa. Steering wheel play of more than 10 degrees
( 2 inches on a 20-inch steering wheel) can make it hard to steer.
b. Leaks in the exhaust system are not a problem if they are outside of the cab.
c. Some leakage of power steering fluid is normal.
d. if you find a leak in the exhaust system, drive with the window open.
Your vehicle is in a traffic emergency and may collide with another vehicle if you do not
take action. - ANSWERa. You can almost always turn to miss an obstacle more quickly
than you can stop.
b. Stopping is always the safest action in a traffic emergency.
c. Leaving the road is always more risky than hitting another vehicle.
d. Unbuckle your seat belt before impact so you will not be trapped inside your vehicle.
Which of these is a good rule to follow when driving at night? - ANSWERa. Always use
your high beams at night.
b. Look directly at the oncoming headlights.
c. Keep your speed slow enough to stop within the range of your headlights.
d. Keep your instrument lights bright.
