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

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 And Answers With Verified Solutions EPA 608 Type II Sample Test Questions And Answers With Verified Solutions

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 - 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)...

EPA 608 TYPE II Exam Questions with 100% Correct Answers | Verified | Latest Update 2024| Rated A+ When a new system has been assembled, the first thing to do is? Pressurize the system with an inert gas & leak check. After installation of a field-piped R-410A split heat pulp, the unit should first be? Pressurized with nitrogen then leak checked. The EPA regulations require that any appliances containing more than 50 pounds of refrigerant (except for commercial & industrial process refrig...

EPA 608 Type I from practice test questions and answers rated A Technicians who perform sealed system service on small appliances must have; - Answer ️️ - Type I or universal certification A small appliance is defined by EPA as; - Answer ️️ -Appliances manufactured, charged, and hermetically sealed in a factory with 5 lbs or less of refrigerant Type I Certification is required for; - Answer ️️ -Persons handling refrigerant during maintenance, service, or repair of small applia...

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 ...

The state of the refrigerant entering the metering device is: - ANSWER High pressure liquid The following components are metering devices: - ANSWER Evaporator pressure regulator, Thermostatic expansion valve The state of the refrigerant entering the compressor is: - ANSWER Low pressure vapor Before the recovery process can be initiated, a technician must know: - ANSWER The type of refrigerant in the system Checking the pressure of a recovery cylinder at a known temperature can determ...