EPA 608 TYPE III 2024 QUESTIONS WITH CORRECT ANSWERS ALREADY PASSED AND VERIFIED

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 - CORRECT 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 - CORRECT ANSWER d) determine if a tube leaks Excessive running of a purge system on a low pressure chiller generally indicates that the: ___________. a) air sensors are faulty b) ambient temperature is too high c) efficiency of the purge unit is too low d) system is leaking - CORRECT ANSWER d) system is leaking When recovering vapor from a low pressure refrigeration system: __________. a) water pumps should all be on, and the recovery compressor should be off b) system water pumps should be on, the recovery compressor should be on, and the recovery condenser water should be off c) the systems water pumps, the recovery compressor, and the recovery condenser water should all be on d) system water pumps should be off, and the recovery compressor should be on - CORRECT ANSWER c) the systems water pumps, the recovery compressor, and the recovery condenser water should all be on ASHRAE Standard 15 - 1994 requires equipment room refrigerant sensors for what safety group classifications? a) A1 b) B2 c) A2 d) All refrigerant safety group classifications. - CORRECT ANSWER d) All refrigerant safety group classifications If you are using a recovery machine manufactured BEFORE November 15, 1993, you must evacuate any low-pressure appliance to _______ before making a major repair. a) 0 psig b) 15 inches of Hg vacuum c) 25 inches of Hg vacuum d) 25mm of Hg absolute - CORRECT ANSWER c) 25 inches of Hg vacuum A rupture disc on a recovery vessel for low pressure refrigerants relieves at: ________. a) 5 psig b) 10 psig c) 15 psig d) 20 psig - CORRECT ANSWER c) 15 psig The primary water source for a recovery unit condensing coil is: _________. a) chilled water b) condenser water c) local municipal water supply d) de-ionized water - CORRECT ANSWER c) local municipal water supply Which of the following repairs that would ALWAYS be considered "major" under EPA's regulations? a) replacement of an evaporator coil b) replacement of a filter-drier c) replacement of a switch d) replacement of a purge unit - CORRECT ANSWER a) replacement of an evaporator coil According to the EPA, there is approximately ________ of refrigerant vapor left in an average 350 ton R-11 chiller at 0 psig pressure once all the R-11 liquid has been removed. a) None. b) 10 pounds. c) 20 pounds. d) 100 pounds. - CORRECT ANSWER d) 100 pounds. A centrifugal chiller's rupture disk is connected to the chiller's: ________. a) condenser b) evaporator c) liquid line d) economizer - CORRECT ANSWER b) evaporator