CDL quiz 1-30 (General Knowledge Test)

To stop quickly and safely, you can use which of the controlled braking methods?

• Apply the brakes as hard as you can to lock the wheels

• Apply the brakes as hard as you can WITHOUT locking the wheels

• Apply the brakes and make large steering adjustments

• Apply the brakes but keep them released before and after you make steering adjustments

Two possible causes of tire fires are __________

• short circuits and duals that touch

• under-inflated tires and duals that touch

• improper fueling or loose fuel connections

• improper loaded cargo and driver smoking

Possession or use of drugs while on duty is prohibited by law EXCEPT when

• using amphetamines

• using over-the-counter drugs

• your medical doctor informs you that the certain drug prescribed will not affect safe driving abilities

• using alcohol

Poor weight balance can make vehicle handling unsafe. Hard steering is caused by________

• underloaded front axles

• too little weight on the driving axles

• too much weight on the steering axle

• a high center of gravity

Which of the following statements about UNBAFFLED or "smooth bore" liquid tankers IS NOT true?

• You must be extremely cautious, especially when starting and stopping

• There is nothing inside the tank to slow down the flow of liquid

• Food products will most likely be transported in an unbaffled liquid tank

• Forward and back liquid surge is reduced

You are driving a vehicle when two cars collide a short distance ahead of you. In order to safely avoid the accident, you SHOULD______

• always apply the brakes immediately

• make a sharp turn to clear the accident area

• turn quickly with one hand on the wheel and one hand on the horn

• grip the wheel firmly with both hands and turn only the amount of space needed to clear whatever is in your way

To correct a drive-wheel braking skid you should ______

• braker harder

• turn slowly

• countersteer

• keep your foot off the clutch

If you are driving a long distance, you should ___

• stop often and take short breaks before you feel really drowsy or tired

• take a short break once or twice during the trip when you are feeling tired or drowsy

• avoid short breaks, but keep the window open

• do some physical exercises after the trip

When transporting cargo, inspect the materials and securing devices

• before the trip only

• before and after the trip

• within 50 miles after beginning the trip and during every driving break

• before the trip, within 50 miles after beginning the trip, & after every 3 hours or 150 miles, & during every driving break

Which of the following statements about TANK vehicles is TRUE?

• tank vehicles transport liquids ONLY

• The term "tank vehicle" refers only to those vehicles having a permanently attached tank

• special skills are required to haul liquid tanks

• all tank vehicles have some sort of bulkhead or baffle