Free Practice Quiz Question List

6 Inspection and Troubleshooting Online Quiz Questions

Use this free practice quiz with 20 questions to review 6 Inspection and Troubleshooting, test your knowledge, and prepare for your next test or exam.

20 questions

Choose one

1 point

A refrigerator will not operate. Which is an appropriate basic check to make first?

A
Check the outlet and breaker.
B
Open the sealed refrigerant system.
C
Replace the control without testing it.
D
Assume the motor has failed.

True or false

1 point

A refrigerator’s control setting confirms its actual compartment temperature.

A
True
B
False

Fill in the blank

1 point

Before removing covers or handling wiring, .

Written response

1 point

What instrument should you use to measure a refrigerator or freezer compartment’s actual temperature?

Choose one

1 point

A refrigerator has uneven temperatures, and food is blocking a supply vent. Which action best addresses this likely cause?

A
Immediately replace the temperature control.
B
Rearrange the food so the supply and return vents are not blocked.
C
Add refrigerant to the sealed system.
D
Disable the evaporator fan.

Choose all

1 point

A refrigerator runs but does not cool adequately. Which checks are appropriate initial troubleshooting steps? Select all that apply.

A
Check the temperature setting.
B
Check the door seal and closure.
C
Look for blocked interior vents.
D
Consider loading and room conditions.
E
Check for dust on accessible condenser areas.
F
Assume the appliance is low on refrigerant.
G
Replace the control before checking the basics.

True or false

1 point

Some variation in refrigerator run time can be normal.

A
True
B
False

Fill in the blank

1 point

Under EPA Section 608, a small appliance generally contains of refrigerant.

Written response

1 point

What is the manufacturing-date cutoff used to distinguish older recovery equipment from post-cutoff equipment in the small-appliance recovery requirements?

Choose one

1 point

Under EPA Section 608, which certification type covers servicing small appliances?

A
Type II
B
Type III
C
Type I
D
No Section 608 type covers small appliances.

Choose all

1 point

Which tasks may breach a small appliance’s refrigerant circuit and therefore require the appropriate Section 608 certification? Select all that apply.

A
Attach gauges to the refrigerant circuit.
B
Add or remove refrigerant.
C
Open the refrigerant circuit.
D
Measure compartment temperature with a thermometer.
E
Clean an accessible exterior surface.

Written response

1 point

With recovery equipment manufactured after November 15, 1993 and a functional appliance compressor, what percentage of refrigerant must be recovered before opening a small appliance’s circuit?

Open ended

1 point

After basic checks, a technician suspects a component fault in a refrigerator. Describe how the technician should choose and perform a component test, interpret the result, and work safely.

Choose one

1 point

A customer reports that a refrigerator feels warm. Which initial check best confirms whether the compartment is actually too warm?

A
Assume the compartment is at the temperature shown by the control setting.
B
Measure the compartment temperature with a thermometer.
C
Replace the temperature control before checking anything else.
D
Open the refrigerant circuit to check its charge.

True or false

1 point

Before removing an appliance cover or handling its wiring, unplug the appliance.

A
True
B
False

Choose one

1 point

A freezer does not operate at all. Which approach is the best first step before deciding that an internal component has failed?

A
Replace the motor immediately because an appliance that is off has a failed motor.
B
Bypass the door or lid switch to see whether the appliance starts.
C
Check the outlet, breaker, cord and plug, switches, and controls; unplug the appliance before inspecting wiring connections.
D
Open the refrigerant circuit to test for a leak.

Choose one

1 point

A refrigerator has uneven temperatures and weak airflow. Frost is visible near the airflow path. Which response best follows a systematic inspection?

A
Check whether food blocks supply or return vents, and investigate the defrost system if frost is restricting airflow.
B
Remove visible frost and consider the problem solved without checking why it formed.
C
Add refrigerant because weak airflow indicates a low charge.
D
Replace the evaporator fan without checking whether operating conditions call for it to run.

Written response

1 point

For a small appliance with a nonfunctional compressor, what recovery amount is allowed by the stated EPA requirement? Enter a percentage value in percentage points.

Choose one

1 point

Basic airflow and installation checks have not resolved a refrigerator’s poor cooling. What is the best next diagnostic approach?

A
Replace the most visibly worn component without testing it.
B
Use the same test values and procedure for every refrigerator model.
C
Bypass safety devices so the appliance can be tested more easily.
D
Use the model’s service procedure to test likely components and compare results with specified values.

Choose one

1 point

When preparing to open a small appliance’s refrigerant circuit, which option is stated as an alternative to recovering the specified percentage?

A
Evacuate the appliance to 4 inches of mercury pressure.
B
Evacuate the appliance to 4 inches of mercury vacuum.
C
Release the remaining refrigerant outdoors after recovery.
D
Skip recovery whenever the appliance is classified as a small appliance.

6 Inspection and Troubleshooting Online Quiz Questions

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