ASE Practice Test (B5: Mechanical & Electrical Components)

Question 1

After a collision repair, a vehicle's steering pulls to the right.
The technician checks the front alignment and finds the right front caster is significantly less than the left.
The MOST likely cause is:

Accepted Answer

A damaged or displaced strut tower or control arm mounting point

Answer

A bent steering rack

Answer

Improper tire inflation on the right front

Answer

A seized right front brake caliper

Question 2

A refrigerant recovery/recycling/recharging machine must be used when servicing an A/C system after a collision because:

Accepted Answer

Federal law prohibits venting refrigerants into the atmosphere

Answer

It is recommended but not legally required

Answer

Refrigerant must be replaced after any impact regardless of leaks

Answer

The machine purges moisture that enters during the collision

Question 3

After repairing a vehicle involved in a frontal collision, the technician notices the electric power steering (EPS) warning light is on. The MOST likely cause is:

Accepted Answer

A damaged or misaligned steering angle sensor

Answer

Low power steering fluid level

Answer

Incorrect front toe setting

Answer

A blown fuse in the EPS motor circuit

Question 4

A SRS (airbag) system clock spring must be replaced if:

Accepted Answer

The steering wheel was removed during the repair

Answer

Any front airbag has deployed

Answer

The vehicle was involved in any collision regardless of airbag deployment

Answer

The battery was disconnected for more than 30 minutes

Question 5

A technician is replacing a damaged radiator after a collision. After installation, the cooling system should be:

Accepted Answer

Vacuum-filled using a cooling system refill tool to purge air pockets

Answer

Filled with straight water to test for leaks before adding coolant

Answer

Pressure-tested, then filled with the OEM-specified coolant type and concentration

Answer

Filled with universal long-life coolant regardless of OEM specification

Question 6

After completing a collision repair involving deployment of side curtain airbags, which of the following must be performed before returning the vehicle to the customer?

Accepted Answer

SRS system scan, replacement of all deployed modules, and verification of no stored fault codes

Answer

Road test only — airbag systems are self-diagnosing after battery reconnect

Answer

Replace only the airbag modules — sensors and wiring are reusable

Answer

Clear all SRS codes with a scan tool and verify the MIL is off