EPA 608 (TYPE II) Exam Newest 2026/2027 Questions
and Correct Detailed Answers Already Graded A+
A system can be evacuated to only atmospheric pressure when? - CORRECT
ANSWER-Leaks in the appliance make evacuation to the prescribed level
unattainable.
When evacuating a system, the use of a large vacuum pump could? - CORRECT
ANSWER-Cause trapped water to freeze.
On a high-pressure system___________ is an indicator of a possible leak. -
CORRECT ANSWER-Excessive superheat.
A routine maintenance task which must be performed on refrigerant recycling
machines is to? - CORRECT ANSWER-Change filter & compressor oil (if any).
To change the compressor on a system containing 40 pounds of R-500, using a
recycling machine that was manufactured AFTER November 15, 1993, you must
isolate the compressor then? - CORRECT ANSWER-Evacuate the isolated
section of the system to 10 inches of vacuum & hold. If system pressure does not
rise, remove the compressor.
, The backseating of a suction shutoff valve will close the? - CORRECT ANSWER-
Gauge Port.
The primary water source for cooling the condenser of a water-cooled recovery
unit is? - CORRECT ANSWER-Local municipal water supply.
Which statement is NOT true about recycling & recovery equipment
manufactured after November 15, 1993? - CORRECT ANSWER-It must have an
oil separator.
When using recovery or recycling equipment that was manufactured AFTER
November 15, 1993, you must evacuate a system containing MORE than 200
pounds of CFC-12 to _______ before making a major repair. - CORRECT
ANSWER-15 inches of Hg vacuum.
Never use oxygen or compressed air to leak-check hardware because R-410A can?
- CORRECT ANSWER-Explode when mixed with air or oxygen.
When a unit is opened for servicing, the _______ should always be replaced. -
CORRECT ANSWER-Filter-drier.
and Correct Detailed Answers Already Graded A+
A system can be evacuated to only atmospheric pressure when? - CORRECT
ANSWER-Leaks in the appliance make evacuation to the prescribed level
unattainable.
When evacuating a system, the use of a large vacuum pump could? - CORRECT
ANSWER-Cause trapped water to freeze.
On a high-pressure system___________ is an indicator of a possible leak. -
CORRECT ANSWER-Excessive superheat.
A routine maintenance task which must be performed on refrigerant recycling
machines is to? - CORRECT ANSWER-Change filter & compressor oil (if any).
To change the compressor on a system containing 40 pounds of R-500, using a
recycling machine that was manufactured AFTER November 15, 1993, you must
isolate the compressor then? - CORRECT ANSWER-Evacuate the isolated
section of the system to 10 inches of vacuum & hold. If system pressure does not
rise, remove the compressor.
, The backseating of a suction shutoff valve will close the? - CORRECT ANSWER-
Gauge Port.
The primary water source for cooling the condenser of a water-cooled recovery
unit is? - CORRECT ANSWER-Local municipal water supply.
Which statement is NOT true about recycling & recovery equipment
manufactured after November 15, 1993? - CORRECT ANSWER-It must have an
oil separator.
When using recovery or recycling equipment that was manufactured AFTER
November 15, 1993, you must evacuate a system containing MORE than 200
pounds of CFC-12 to _______ before making a major repair. - CORRECT
ANSWER-15 inches of Hg vacuum.
Never use oxygen or compressed air to leak-check hardware because R-410A can?
- CORRECT ANSWER-Explode when mixed with air or oxygen.
When a unit is opened for servicing, the _______ should always be replaced. -
CORRECT ANSWER-Filter-drier.
