ELDT Speed and Space Management 2

Question 1

What is the recommended following distance for a heavy vehicle traveling under 40 mph?

Accepted Answer

1 second for every 10 feet of vehicle length

Answer

2 seconds regardless of length

Answer

1 second for the entire vehicle

Answer

4 seconds total

Question 2

When traveling over 40 mph, how should a driver adjust the following-distance formula?

Accepted Answer

Add one second to the low-speed count

Answer

Cut the count in half

Answer

Use a flat 2 seconds

Answer

Ignore vehicle length entirely

Question 3

Why do heavy vehicles need more following distance than cars?

Accepted Answer

They take longer to stop

Answer

They accelerate faster

Answer

They have better brakes

Answer

They are shorter

Question 4

What is 'total stopping distance' composed of?

Accepted Answer

Perception, reaction, and braking distance

Answer

Only braking distance

Answer

Reaction and turning distance

Answer

Perception distance alone

Question 5

How does empty trailer weight affect braking?

Accepted Answer

Empty trucks can take longer to stop due to less traction

Answer

Empty trucks always stop faster

Answer

Weight has no effect on braking

Answer

Empty trailers cannot use brakes

Question 6

At about what speed does stopping distance roughly quadruple compared to half that speed?

Accepted Answer

Doubling speed multiplies braking distance by about four

Answer

Doubling speed doubles braking distance

Answer

Speed has no effect on braking distance

Answer

Braking distance decreases with speed

Question 7

What should you do when following distance is compromised by a tailgater behind you?

Accepted Answer

Increase your following distance in front

Answer

Brake hard to warn them

Answer

Speed up sharply

Answer

Change lanes without signaling