Question 1
Ozone depletion risk for Class 1 refrigerants will be higher than:
Correct Answer:
(A) 0.2
Explanation:
Correct answer: (A) 0.2
Question 2
Which temperature has to be reached while extracting oil from a low-pressure system?
Correct Answer:
(B) 130°F
Explanation:
Correct answer: (B) 130°F
Question 3
What HC refrigerant can be used in modern domestic small appliances?
Correct Answer:
(D) R-600a
Explanation:
Correct answer: (D) R-600a
Question 4
According to ASHRAE Standard 15, rooms using refrigerant systems have to be supplied with sensors _______.
Correct Answer:
(A) It sounds an alarm & automatically starts a ventilation system when there is a lack of oxygen
Explanation:
Correct answer: (A) It sounds an alarm & automatically starts a ventilation system when there is a lack of oxygen
Question 5
Recovery cylinders are made to be refilled.
Correct Answer:
TRUE
Explanation:
Correct answer: True
Question 1
Exam overview

About this Exam

Prepare with the EPA PreTest practice quiz. This question bank includes 20 questions covering refrigerant, pressure, ozone, depletion, and refrigerants. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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EPA PreTest

This practice set contains 20 questions from the matching question bank and focuses on refrigerant, pressure, ozone, depletion, and refrigerants. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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