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TROUBLESHOOTING OBJECTIVE 6

Authored by Andgel Thomas

Specialty

12th Grade

Used 2+ times

TROUBLESHOOTING OBJECTIVE 6
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common cause of low airflow in HVAC/R systems?

Dirty air filters

High ambient temperature

Excessive loading

Oversized evaporator

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should be done if a fan belt is too narrow for the sheave?

Inspect for wear

Lubricate the bearings

Adjust the belt

Replace the fan

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can cause a frosted evaporator in HVAC systems?

High ambient temperature

Excessive airflow

Dirty filters or fans

Improper belt adjustment

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of dirty air filters on HVAC systems?

Increased airflow

Reduced system loads

Improved efficiency

Higher ambient temperature

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What maintenance is required for fan blades?

Frequent replacement

Regular lubrication

Pressure washing only

No maintenance needed

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if the evaporator is oversized?

Improved heat transfer

Increased efficiency

Higher than normal suction pressure

Decreased airflow

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can cause excessive loading in refrigeration systems?

Low ambient temperature

Too much product being refrigerated

Dirty air filters

Improper fan speed

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