ASE Truck Equipment Installation & Repair 2

Question 1

When mounting a PTO (Power Take-Off) to a transmission, what is the most critical measurement to verify before final installation?

Accepted Answer

Gear backlash between the PTO and transmission gears

Answer

The color of the gasket sealant

Answer

Cab interior temperature

Answer

Tire tread depth

Question 2

A dump body hoist fails to lift fully under load but works fine empty. What is the most likely cause?

Accepted Answer

Low hydraulic fluid or a worn pump

Answer

A burned-out cab dome light

Answer

Loose lug nuts

Answer

A dirty windshield

Question 3

What is the primary purpose of a safety prop (body prop) on a dump truck?

Accepted Answer

To hold the raised body up while someone works beneath it

Answer

To increase payload capacity

Answer

To improve fuel economy

Answer

To act as a spare tire holder

Question 4

When installing a liftgate, why must the truck frame be reinforced at the mounting points?

Accepted Answer

To distribute the concentrated load and prevent frame cracking

Answer

To make the truck heavier for traction

Answer

To improve radio reception

Answer

To reduce paint fading

Question 5

Which hydraulic component regulates the maximum pressure in a truck body lift system?

Accepted Answer

Relief valve

Answer

Oil filler cap

Answer

Drain plug

Answer

Brake caliper

Question 6

Before drilling into a truck frame rail to mount equipment, the technician should consult the chassis manufacturer's body builder guide primarily to avoid:

Accepted Answer

Weakening critical stress zones or hitting wiring/fuel lines

Answer

Voiding the radio warranty

Answer

Changing the paint code

Answer

Resetting the odometer

Question 7

What does a 'snow plow' headgear receiver hitch installation require for proper electrical operation?

Accepted Answer

A correctly wired control harness and adequate vehicle charging capacity

Answer

Only a single ground wire to the bumper

Answer

Removal of the alternator

Answer

Disconnecting the battery permanently