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

7 seconds

Answer

8 seconds

Answer

10 seconds

Question 2

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

Accepted Answer

Driving at high speed over standing water

Answer

Driving uphill at low speeds

Answer

Braking lightly on dry pavement

Answer

Making a wide right turn

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

Accelerate immediately to generate heat

Answer

Stop and inspect all tires before continuing

Answer

Shift to a lower gear and coast

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

Only at night during rain

Answer

Only during heavy downpours

Answer

Only when visibility drops below 500 feet

Question 5

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

Accepted Answer

Hard, sudden braking

Answer

Light, gradual braking

Answer

Stab braking

Answer

Engine braking in a lower gear

Question 6

When pulling a trailer in wet conditions, reduced traction increases the risk of which dangerous event?

Accepted Answer

Trailer jackknife

Answer

Engine overheating

Answer

Tire punctures from road debris

Answer

Transmission failure