CCT Safety Standards & Regulatory Compliance 4

Question 1

A Casper technician completes a repair on a system containing more than 50 pounds of refrigerant. What record-keeping is required under EPA Section 608?

Accepted Answer

Maintain service records documenting refrigerant added and recovered for at least 3 years

Answer

EPA Section 608 requires technicians and owners to maintain service records for appliances containing 50+ pounds of refrigerant for a minimum of 3 years.

Question 2

What is the correct procedure when a technician finds that a recovery machine's oil has become contaminated with acid from a burned-out compressor?

Accepted Answer

Change the oil, replace the filter-drier, and verify the machine is clean before the next use

Answer

Contaminated recovery machine oil must be changed, the filter-drier replaced, and the unit verified clean to prevent cross-contaminating refrigerant from future jobs.

Question 3

Under OSHA's Hazard Communication Standard (29 CFR 1910.1200), what is an employer's obligation when introducing a new refrigerant chemical to the workplace?

Accepted Answer

Obtain the SDS, update the chemical inventory, and train employees on the new hazard

Answer

HazCom requires employers to maintain SDSs, update chemical inventories, and train all potentially exposed employees when new chemicals are introduced.

Question 4

Which type of fire extinguisher is appropriate for an electrical fire involving a refrigeration system's control panel?

Accepted Answer

Class C (CO2 or dry chemical)

Answer

Class C extinguishers are rated for energized electrical equipment and will not conduct electricity or damage components as water-based types would.

Question 5

What does the ASHRAE refrigerant safety classification 'A1' indicate?

Accepted Answer

Lower toxicity and no flame propagation

Answer

ASHRAE's 'A' designation means lower toxicity and '1' means no flame propagation was observed during testing.

(CCT) Certified Casper Technician Practice Test

(CCT) Certified Casper Technician Practice Test

CCT Safety Standards & Regulatory Compliance 4