Epa 608 type ii - Study guides, Class notes & Summaries

EPA 608 Type II - Questions and Answers R-410A requires recovery tanks rated for at least: ______. a) 240 psig b) 300 psig c) 400 psig d) 500 psig A routine maintenance task which must be performed on refrigerant recycling machines is to: __________. a) check compressor seals b) change electrical fuses c) replace moisture sight glass d) change filter and compressor oil (if any) Pressure relief valve must not be: ______. a) installed in series b) installed in parallel c) installed vertically d)...

What do R-11 and R-123 refrigerants have in common? A. They are oxygen depleting B. They are Class I and II substances as defined by the EPA C. Both A and B D. Neither A nor B - ANSWER C. Both A and B What is the required evacuation level for recovering refrigerant from a low-pressure appliance with a recovery machine manufactured before November 15, 1993? A. 0 psig B. 4" Hg C. 10 A Hg D. 25" Hg - ANSWER D. 25" Hg How is frost best removed from a sight glass? A. reverse ...

EPA 608 TYPE II ACTUAL EXAM QUESTIONS WITH VERIFIED ANSWERS

Where do leaks commonly occur in low pressure systems? a. Evaporator b. Condenser c. Purge unit d. Gaskets or fittings - ANSWER d. Gaskets or fittings Where do leaks commonly occur in open-drive type compressor systems? a. Evaporator b. Condenser c. Shaft seal d. Cooling tower - ANSWER c. Shaft seal Does refrigerant go out of the system in low pressure systems or does air and moisture go in? a. Refrigerant escapes through low pressure leaks. b. Air and moisture enter the refrige...

What do R-11 and R-123 refrigerants have in common? A. They are oxygen depleting B. They are Class I and II substances as defined by the EPA C. Both A and B D. Neither A nor B - ANSWER C. Both A and B What is the required evacuation level for recovering refrigerant from a low-pressure appliance with a recovery machine manufactured before November 15, 1993? A. 0 psig B. 4" Hg C. 10 A Hg D. 25" Hg - ANSWER D. 25" Hg How is frost best removed from a sight glass? A. reverse ...

Identify the pressure corresponding to 32 degrees F for R-123: ________. a) 23 inches of Hg vacuum b) 20 inches of Hg vacuum c) 17 inches of Hg vacuum d) 11 inches of Hg vacuum - ANSWER b) 20 inches of Hg vacuum A hydrostatic tube test kit is used to: _________. a) blow all water from the tubes b) remove any water from the machine c) vent refrigerant d) determine if a tube leaks - ANSWER d) determine if a tube leaks Excessive running of a purge system on a low pressure chiller ...

EPA 608 Type III Sample Test Questions Exam Elaboration |Question and Answers| 100% Correct Where do leaks commonly occur in low pressure systems? a. Evaporator b. Condenser c. Purge unit d. Gaskets or fittings *Ans* d. Gaskets or fittings Where do leaks commonly occur in open-drive type compressor systems? a. Evaporator b. Condenser c. Shaft seal d. Cooling tower *Ans* c. Shaft seal Does refrigerant go out of the system in low pressure systems or does air and moisture go in? a. ...

EPA 608 TYPE II ACTUAL EXAM DETAILED QUESTIONS AND CORRECT ANSWERS ALREADY A GRADE 2024 LATEST. Heat pumps that have been retrofitted from R-22 to R-407C should be leak checked with: ________. a) HFCs b) HCFCs c) pressurized nitrogen d) compressed air - ANSWER- c) pressurized nitrogen When inspecting a system for leaks, you should look for: ________. a) frost on the pipes b) puddles of liquid refrigerant c) particles from the drier core d) traces of oil - ANSWER- d) traces of oil

EPA 608 Type III - Questions and Answers A chiller's rupture disk is connected to the system's ___________. 1) low pressure side 2) high pressure side 3) never used When leak testing a low pressure centrifugal, what is the maximum test pressure? 1) 0.1 psig 2) 10 psig 3) 10 inches of Mercury 4) 14.7 psia 5) 50 psig What is the EPA's estimate for how much refrigerant vapor is left in an average 350 ton R-11 chiller at 0 psig pressure, once all the R-11 liquid has been removed? 1) 1.5 lbs 2) ...

EPA 608 Type II Sample Test Questions with complete solutions 2024( A+ GRADED 100% VERIFIED))