Timedora
Free Practice Quiz Question List

5 Core Section 608 Practice Online Quiz Questions

Use this free practice quiz with 20 questions to review 5 Core Section 608 Practice, test your knowledge, and prepare for your next test or exam.

20 questions
01
True or false
1 point

A technician who has earned EPA Section 608 certification does not need to renew it on a recurring schedule because the certification does not expire. True or false?

  1. A

    True

  2. B

    False

02
Written response
1 point

A technician is weighing recovered refrigerant into a recovery cylinder. What is the general maximum fill level as a percentage of the cylinder's rated capacity by weight?

03
Fill in the blank
1 point

Ultraviolet radiation can break down certain refrigerants in the stratosphere, releasing reactive that destroys .

04
Written response
1 point

A technician removes refrigerant from an appliance and stores it in an external container without necessarily cleaning or testing it. What is this process called?

05
True or false
1 point

Because HFCs do not deplete ozone, Section 608 never applies to them as refrigerant substitutes. True or false?

  1. A

    True

  2. B

    False

06
Choose one
1 point

A technician needs to pressure-test a refrigeration system after a repair. Which approach is appropriate?

  1. A

    Oxygen supplied directly from a cylinder

  2. B

    Compressed air from a shop line

  3. C

    Dry nitrogen supplied through a regulator with suitable pressure-relief protection

  4. D

    Refrigerant vapor released from another system

07
Fill in the blank
1 point

After repairing and opening a system, a technician evacuates it as required before charging to remove and .

08
Choose all
1 point

A technician is preparing for routine service where refrigerant exposure is possible. Which practices reduce exposure risk? Select all that apply.

  1. A

    Work in a well-ventilated area

  2. B

    Breathe refrigerant vapor briefly to check for a leak

  3. C

    Wear suitable gloves

  4. D

    Wear suitable eye protection

  5. E

    Assume liquid refrigerant is harmless if skin contact is brief

09
Choose all
1 point

A technician is setting up cylinders to store recovered refrigerant. Which practices are appropriate? Select all that apply.

  1. A

    Use an approved, refillable recovery cylinder

  2. B

    Combine different refrigerants in one cylinder to simplify storage

  3. C

    Identify the cylinder's contents

  4. D

    Secure the cylinder upright and protect it from heat and physical damage

  5. E

    Use any container if it can be sealed

10
Choose one
1 point

A technician is preparing to evacuate an appliance but is unsure of the required level. What is the best approach?

  1. A

    Use one vacuum target for every system because the requirements are uniform

  2. B

    Consult applicable requirements because the required level depends on the appliance and circumstances

  3. C

    Choose a target based only on the technician's preferred recovery equipment

  4. D

    Skip evacuation whenever the system has been repaired

11
Choose one
1 point

A technician's employer plans to sell used refrigerant to a new owner. What must generally happen to the refrigerant before the sale?

  1. A

    It may be sold as recovered as long as it is in a sealed container

  2. B

    It generally must be reclaimed before sale to a new owner

  3. C

    It must be recycled by the buyer after the sale

  4. D

    It may be sold if it has been mixed with another refrigerant

12
Open ended
1 point

A major refrigerant release occurs in an enclosed equipment room. What should a technician consider before entering, and why?

13
Choose one
1 point

A technician has an empty disposable refrigerant cylinder and wants to use it to hold recovered refrigerant. What is the correct action?

  1. A

    Never refill a disposable cylinder

  2. B

    Refill it once if it is chilled first

  3. C

    Refill it only with the refrigerant originally packaged in it

  4. D

    Refill it if it is clearly labeled

14
Choose one
1 point

A technician gets liquid refrigerant on an unprotected hand while servicing equipment. Which injury is a recognized hazard of this exposure?

  1. A

    It can cause sunburn.

  2. B

    It can cause a cold burn or frostbite.

  3. C

    It causes dehydration only.

  4. D

    It is harmless if contact is brief.

15
Choose one
1 point

A technician needs to pressure-test a refrigeration system. Which setup follows the safe practice described in the material?

  1. A

    Oxygen without a regulator

  2. B

    Compressed air with a regulator

  3. C

    Dry nitrogen with a regulator and suitable relief protection

  4. D

    Refrigerant vapor from another system

16
Written response
1 point

A technician is weighing refrigerant into a recovery cylinder. What is the maximum fill percentage of the cylinder’s rated capacity by weight?

17
Choose one
1 point

An appliance label is missing, and the refrigerant cannot be identified from the available information. What should the technician do before recovery?

  1. A

    Guess the refrigerant from the appliance’s age and proceed.

  2. B

    Verify the refrigerant identity and confirm the recovery equipment and cylinder are suitable.

  3. C

    Mix the unknown refrigerant with a common refrigerant.

  4. D

    Release a small amount and identify it by smell.

18
True or false
1 point

True or false: A refrigerant can be covered by Section 608 requirements even if it does not deplete ozone.

  1. A

    True

  2. B

    False

19
Written response
1 point

What regulatory term describes a limited release that may occur during a good-faith effort to recapture refrigerant, such as disconnecting a hose?

20
Choose one
1 point

A technician is preparing used refrigerant for sale to a new owner. Which handling step is generally required before the sale?

  1. A

    Store it in any external container.

  2. B

    Recycle it for reuse without meeting reclamation specifications.

  3. C

    Have it reclaimed to the applicable purity standard before selling it to a new owner.

  4. D

    Evacuate air from the appliance and then sell the refrigerant.