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EPA 608 CERTIFICATION EXAM LATEST ACTUAL EXAM ALL 210 REAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+$19.49
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EPA 608 CERTIFICATION EXAM LATEST ACTUAL EXAM ALL 210 REAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+
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EPA 608 CERTIFICATION
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EPA 608 CERTIFICATION
EPA 608 CERTIFICATION EXAM LATEST ACTUAL
EXAM ALL 210 REAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+
EPA 608 CERTIFICATION EXAM LATEST ACTUAL
EXAM ALL 210 REAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES (VERIFIED ...
EPA 608 CERTIFICATION EXAM LATEST 2023-2024 ACTUAL
EXAM ALL 210 REAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+
The EPA considers a major repair to be the replacement of what
4 items? - ANSWER-
1.Evaporator2.Condenser3.Compressor4.Auxillary Heat
Exchanger
When the refrigerant is put back into a Type III chiller, following
recovery and system repair, where is it added? - ANSWER-The
charging valve on the evaporator.
What method is used to find suspected water tube leaks in
chillers? - ANSWER-Hydrostatic (tube) test
What temperature should be attained when removing oil from a
low pressure system to ensure a lower level of refrigerants in the
oil? - ANSWER-130-Degrees F
The typical design burst pressure for a rupture disc is what? -
ANSWER-15 PSIG
Excessive moisture collection in the purge unit can indicate what?
- ANSWER-Tube Leakage
, EPA 608 CERTIFICATION EXAM LATEST 2023-2024 ACTUAL
EXAM ALL 210 REAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+
Vacuum pumps need to be capable of pulling what level of
vacuum? - ANSWER-500 microns
All refrigeration systems containing more than 50 lbs. of
refrigerant must be repaired when the annual leak rate
exceeds___? - ANSWER-35%
The most efficient method of leak checking a charged low-
pressure system is to use? - ANSWER-Controlled hot water or
heater blankets.
Systems with open drive compressors are prone to leak where? -
ANSWER-At the shaft seal.
What does ASHRAE standard 15 require? - ANSWER-A
refrigerant monitor that will sound and alarm and automatically
start a ventilation system in equipment rooms before the
refrigerant concentration reaches the TLV-TWA.
TLV-TWA - ANSWER-Threshold Limit Values - Time Weighted
Average: The TWA concentration for a conventional 8-hour
workday and a 40-hour workweek, to which it is believed that
nearly all workers may be repeatedly exposed, day after day, for a
working lifetime without adverse health effect.
, EPA 608 CERTIFICATION EXAM LATEST 2023-2024 ACTUAL
EXAM ALL 210 REAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+
A-1 Group Refrigerants only require what? - ANSWER-Oxygen
Deprivation Sensor
What are Cooling Towers? - ANSWER-They are heat removal
devices used to transfer process waste heat to the atmosphere.
Threshold Limit Values - Time Weighted Average: The TWA
concentration for a conventional 8-hour workday and a 40-hour
workweek, to which it is believed that nearly all workers may be
repeatedly exposed, day after day, for a working lifetime without
adverse health effect.
Oxygen Deprivation Sensor
Refrigerant Specific" Mechanical Room Sensor.
What is the maximum test pressure to use for pressurizing Type
III centrifugal systems with nitrogen? - ANSWER-10 psig
, EPA 608 CERTIFICATION EXAM LATEST 2023-2024 ACTUAL
EXAM ALL 210 REAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+
Enough vapor has entered the system and you may begin
charging liquid refrigerant when the refrigerant saturation
temperature increases to? - ANSWER-36F
the method to charge a system that has a normal charge of 80
pounds is to charge with? - ANSWER-charge with liquid through
the liquid line service valve
after installation of a field piped r-410a split heat pump, the unit
should be first tested: - ANSWER-pressurized by nitrogen and
then leak checked
pressure relief valves shall not be installed - ANSWER-in a series
When charging an R-12 refrigeration system that uses a water
cooled condensor, you must first charge with vapor to a pressure
of at least _____ , before switching to a liquid charging. -
ANSWER-35PSIG
The component directly following the evaporator of the
refrigeration system is the - ANSWER-accumulator
a reciprocating compressor should not be recognized the -
ANSWER-discharge service valve is closed
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