Air conditioning system pressure diagnosis

Air conditioning system pressure diagnosis

Assessment

Interactive Video

Instructional Technology

Vocational training

Hard

Created by

Alex Berry

Used 2+ times

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do before starting any service on an air conditioning system?

Check the weather forecast

Consult local authorities for licensing requirements

Buy new refrigerant

Turn off the vehicle

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What might a high reading on both gauges with no fluctuation indicate?

Low refrigerant charge

A faulty compressor

Air and moisture in the system

A blocked condenser

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the low side gauge shows low to vacuum and the high side is also low, what should you check for?

Ice build-up on the high side

Frost build-up on low pressure pipes

A stuck expansion valve

A faulty thermistor

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What might cause both pressure gauges to display higher than normal values?

Low refrigerant charge

A faulty compressor

A leaking component

A jammed thermal expansion valve

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a useful diagnostic aid for identifying blockages in an air conditioning system?

The visual test

The smell test

The sound test

The touch test