EPA SECTION 608 TYPE III| 25 Questions
| Correct Answers| Which of the following refrigerants has a safety classification of B-1 - ANSWER HCFC-123 (R-123)
The EPA-required evacuation level for recovery or recycling equipment used on low-pressure systems is - ANSWER 25 mm of Hg absolute.
Which organization establishes the refrigerant safety group standard? - ANSWER ASHRAE
Where is the purge unit located in a low-pressure system? - ANSWER The top of the condenser.
To repair a chiller operating with R-22, the technician; - ANSWER must have a Type II certification.
If a strong odor is detected during the recovery process, - ANSWER a compressor burn-
out may have occurred.
The owner must keep records of refrigerant added to a low-pressure system during service and maintenance if the system charge is; - ANSWER 50 pounds or greater.
When leak testing a low-pressure chiller, the maximum pressure to use is; - ANSWER 10 psig.
The Standard for machine room safety is; - ANSWER ASHRAE-15
What can be used to pressurize a chiller system before opening the system for a non-major repair? - ANSWER Controlled hot water
During evacuation of systems with large amounts of water, it may be necessary to; - ANSWER increase pressure by introducing nitrogen to counteract freezing.
After all the liquid has been removed from an average 350-ton, low-pressure appliance, approximately how much
| Correct Answers| Which of the following refrigerants has a safety classification of B-1 - ANSWER HCFC-123 (R-123)
The EPA-required evacuation level for recovery or recycling equipment used on low-pressure systems is - ANSWER 25 mm of Hg absolute.
Which organization establishes the refrigerant safety group standard? - ANSWER ASHRAE
Where is the purge unit located in a low-pressure system? - ANSWER The top of the condenser.
To repair a chiller operating with R-22, the technician; - ANSWER must have a Type II certification.
If a strong odor is detected during the recovery process, - ANSWER a compressor burn-
out may have occurred.
The owner must keep records of refrigerant added to a low-pressure system during service and maintenance if the system charge is; - ANSWER 50 pounds or greater.
When leak testing a low-pressure chiller, the maximum pressure to use is; - ANSWER 10 psig.
The Standard for machine room safety is; - ANSWER ASHRAE-15
What can be used to pressurize a chiller system before opening the system for a non-major repair? - ANSWER Controlled hot water
During evacuation of systems with large amounts of water, it may be necessary to; - ANSWER increase pressure by introducing nitrogen to counteract freezing.
After all the liquid has been removed from an average 350-ton, low-pressure appliance, approximately how much
