ELDT Vehicle Systems and Malfunctions 2

Question 1

During a pre-trip inspection, you notice an oil leak forming a puddle under the engine. What should you do?

Accepted Answer

Do not operate the vehicle until it is repaired

Answer

A leak that could affect safe operation must be corrected before the vehicle is driven.

Question 2

The low air pressure warning device on a truck with air brakes must activate at or before what pressure?

Accepted Answer

60 psi

Answer

The low air pressure warning must come on at 60 psi or higher to alert the driver in time.

Question 3

What does an ABS malfunction lamp staying lit while driving indicate?

Accepted Answer

The ABS is not working but normal brakes still function

Answer

An illuminated ABS lamp means anti-lock braking is disabled, but standard braking still works.

Question 4

A steering wheel that has excessive play (more than about 10 degrees) most likely indicates a problem with what system?

Accepted Answer

The steering system

Answer

More than roughly 10 degrees of free play signals worn steering components that need repair.

Question 5

Why should you check the color and level of engine coolant during inspection?

Accepted Answer

To prevent engine overheating

Answer

Proper coolant level and condition keep the engine from overheating.

Entry Level Driver Training (ELDT) Practice Test