TROUBLESHOOTING OBJECTIVES 4 AND 5

TROUBLESHOOTING OBJECTIVES 4 AND 5

12th Grade

15 Qs

quiz-placeholder

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TROUBLESHOOTING OBJECTIVES 4 AND 5

TROUBLESHOOTING OBJECTIVES 4 AND 5

Assessment

Quiz

Specialty

12th Grade

Medium

Created by

Andgel Thomas

Used 2+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common cause of compressor overheating?

High humidity levels

Improper voltages

Excessive refrigerant charge

Low ambient temperature

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can lead to a lack of suction gas in a compressor?

Improper insulation

High ambient temperature

Excessive oil return

Refrigerant undercharge

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of air in the refrigeration system?

Higher discharge temperatures

Increased cooling efficiency

Lower power consumption

Reduced compressor wear

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is refrigerant flood-back?

High discharge pressures

Low refrigerant levels

Excessive oil in the system

Liquid refrigerant returning to the compressor

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can cause mechanical failure in a compressor?

Excessive lubrication

Low discharge temperatures

Metal fatigue

High refrigerant charge

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a symptom of a restricted refrigerant line?

Reduced noise levels

Improved cooling capacity

Increased oil return

Higher than normal pressures

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of installing an accumulator?

To collect liquid refrigerant

To reduce compressor noise

To enhance cooling efficiency

To increase refrigerant flow

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