Free Practice Quiz Question List

3 Safe Refrigerant Handling Online Quiz Questions

Use this free practice quiz with 20 questions to review 3 Safe Refrigerant Handling, test your knowledge, and prepare for your next test or exam.

20 questions

True or false

1 point

True or false: If you cannot smell refrigerant in a work area, you can conclude that the air is safe to breathe.

A
True
B
False

True or false

1 point

True or false: A refrigerant leak detector alarm stopping is enough to confirm that an enclosed work area is safe to breathe.

A
True
B
False

Choose one

1 point

A service task could splash liquid refrigerant. Which eye-protection approach is appropriate?

A
Wear a face shield instead of any eye protection.
B
Wear suitable eye protection; add a face shield if splashing is a risk.
C
Use refrigerant-resistant gloves as a substitute for eye protection.
D
Choose PPE based only on the amount of refrigerant in the system.

Written response

1 point

What hazard can result when refrigerant vapor displaces oxygen in an enclosed space?

Fill in the blank

1 point

For service work, suitable eye protection commonly includes .

Written response

1 point

What atmospheric hazard is not protected against by an ordinary air-purifying respirator?

Choose one

1 point

Before servicing equipment containing a refrigerant whose flammability is unknown, what should you do?

A
Assume the refrigerant is nonflammable unless it has a strong odor.
B
Use a flame to check whether vapor is present.
C
Check the refrigerant label and SDS before work.
D
Rely on the leak detector to identify all ignition hazards.

Fill in the blank

1 point

In an enclosed or potentially oxygen-deficient space, use and follow .

Choose one

1 point

You suspect a major refrigerant leak in an enclosed area, and the atmosphere is unknown. What is the safest response?

A
Leave, keep others out, and call trained emergency responders.
B
Enter briefly with an ordinary air-purifying respirator.
C
Send someone in to use a leak detector before calling for help.
D
Try to ventilate from inside the affected area.

Choose all

1 point

A leak is suspected, and the refrigerant may be flammable. Select all appropriate immediate actions.

A
Stop work.
B
Continue service while monitoring the detector.
C
Move people away from the area.
D
Avoid ignition sources when the refrigerant may be flammable.
E
Ventilate the area from inside even if entering may be hazardous.

Choose one

1 point

When servicing a system with a covered refrigerant, which approach should be used instead of intentionally releasing the refrigerant?

A
Release the refrigerant outdoors so it cannot build up indoors.
B
Recover the refrigerant with appropriate equipment.
C
Vent the refrigerant slowly through a leak detector.
D
Release the refrigerant only when service is complete.

Choose all

1 point

A coworker may have inhaled refrigerant in an area that could still be hazardous. Select all appropriate actions.

A
Move the person to fresh air only if you can do so without entering a hazardous area.
B
Enter the suspected leak area immediately to bring the person out.
C
Contact emergency services.
D
Follow the refrigerant-specific SDS and local emergency procedures.
E
Wait for symptoms to become severe before taking action.

Choose one

1 point

Liquid refrigerant has contacted a worker's skin, and clothing is frozen to the affected area. What should be done?

A
Pull the clothing away quickly before the skin becomes colder.
B
Rub the affected skin to restore circulation.
C
Do not pull away clothing frozen to the skin; move away from the source and seek medical advice.
D
Apply a flame or hot surface to warm the area.

Open ended

1 point

A refrigerant leak is suspected in a poorly ventilated room, but the atmosphere is unknown. A worker proposes using a leak detector to decide whether to enter and help a coworker. Explain the safe response and why the detector is not enough to justify entry.

True or false

1 point

True or false: A refrigerant leak detector alarm can tell you whether the surrounding air is safe to breathe.

A
True
B
False

Written response

1 point

A person's clothing is frozen to their skin after liquid refrigerant exposure. What should you do with the clothing?

Choose one

1 point

During refrigerant service, splashing is possible. Which eye-protection approach follows safe practice?

A
Use a face shield instead of eye protection whenever splashing is possible.
B
Wear suitable eye protection; add a face shield if there is a risk of splashing.
C
Use refrigerant-resistant gloves as a substitute for eye protection.
D
A face shield is required for every refrigerant task, regardless of risk.

Written response

1 point

Someone may have inhaled refrigerant. If you can help without entering a hazardous area, where should you move them?

Choose one

1 point

You are preparing to open a refrigeration system, but its refrigerant is unfamiliar to you. What should you do first?

A
Begin work using the refrigerant most commonly used by similar systems.
B
Rely on the odor near the equipment to identify the refrigerant.
C
Identify the refrigerant and check the labels, SDS, and service instructions.
D
Open the system first, then identify the refrigerant from its behavior.

Choose one

1 point

A technician needs to remove refrigerant from a system during service. Which approach follows the safe handling guidance?

A
Use appropriate recovery equipment instead of intentionally releasing the refrigerant.
B
Release the refrigerant slowly outdoors to reduce its concentration indoors.
C
Vent the refrigerant if the system is being repaired rather than disposed of.
D
Release the refrigerant after confirming that no one can smell it.

3 Safe Refrigerant Handling Online Quiz Questions

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