RSES Code Compliance 3

Question 1

What is the EPA de minimis exemption under Section 608 that allows venting during normal service operations?

Accepted Answer

Releases that are not avoidable using reasonable measures during good-faith repair

Answer

The EPA allows releases that are unavoidable during good-faith repair, testing, or servicing operations as a de minimis exemption.

Question 2

Under ASHRAE 15, Group A1 refrigerants are classified as:

Accepted Answer

Lower toxicity, no flame propagation

Answer

Group A1 refrigerants have lower toxicity and no flame propagation, making them the safest classification under ASHRAE 34/15.

Question 3

Which ASHRAE standard specifically governs the safety practices for refrigerating systems, including machinery room requirements?

Accepted Answer

ASHRAE 15

Answer

ASHRAE 15 (Safety Standard for Refrigeration Systems) governs machinery room requirements, refrigerant quantities, and safe system design.

Question 4

Under the EPA's refrigerant management program, what leak rate triggers a required repair for commercial refrigeration equipment with more than 50 lbs of charge?

Accepted Answer

10% per year

Answer

The EPA requires repair when commercial refrigeration systems with >50 lbs of refrigerant exceed a 10% annual leak rate.

Question 5

What does a pressure-enthalpy (P-h) diagram compliance check verify in a refrigeration system?

Accepted Answer

That operating pressures and temperatures match design conditions within code limits

Answer

A P-h diagram check confirms that actual operating conditions align with design parameters, indicating correct system performance and safety margin compliance.

(RSES) Refrigeration Service Engineers Society Certification Practice Test

(RSES) Refrigeration Service Engineers Society Certification Practice Test

RSES Code Compliance 3