CLP Driving in Adverse Conditions

Question 1

In wet road conditions, the CDL manual recommends doubling your normal following distance. If your normal following distance is 6 seconds, you should increase it to at least how many seconds?

Accepted Answer

12 seconds

Answer

In wet or slippery conditions, you should double your following distance to maintain adequate stopping margin.

Question 2

Hydroplaning in a commercial vehicle is most likely to occur when?

Accepted Answer

Driving at high speed over standing water

Answer

Hydroplaning occurs when tires lose contact with the road surface due to water buildup, and is most likely at higher speeds over standing water.

Question 3

After driving through deep water, what should you do to restore braking effectiveness?

Accepted Answer

Apply light brake pressure while driving slowly

Answer

Gently applying light brake pressure while driving slowly helps dry out the brake drums and linings after water crossing.

Question 4

In rainy conditions, federal regulations and most state laws require headlights to be on whenever which condition exists?

Accepted Answer

Whenever windshield wipers are in use

Answer

Federal regulations and most state laws require headlights to be activated whenever windshield wipers are in use.

Question 5

On wet roads, which type of braking is MOST likely to cause a skid?

Accepted Answer

Hard, sudden braking

Answer

Hard, sudden braking on wet roads is most likely to lock the wheels and cause a dangerous skid.

(CLP) Commercial Learner's Permit Practice Test

(CLP) Commercial Learner's Permit Practice Test

CLP Driving in Adverse Conditions