Epa 608 Type 3 Exam 2024-2025 Update Actual Exam All Questions And Correct Detailed Answers

On a low-pressure chiller with an open-type compressor, the ________ is very susceptible to leaks. a) chiller tubes b) shaft seal c) charging connections d) shaft bearings - answer>>b) shaft seal According to ASHRAE Guideline 3-1996, if the pressure in a system rises from 1 mm Hg to a level above _______ during a standing vacuum test, the system should be checked for leaks. a) 1.5 mmHg b) 2.0 mm Hg c) 2.5 mm Hg d) 3.0 mm Hg - answer>>c) 2.5 mm Hg The PRIMARY purpose of a purge unit on a CFC-11 chiller is to: ___________. a) remove CFCs from the system b) condense air out of the system c) condense water out of the system d) remove non-condensables from the system - answer>>d) remove non-condensables from the systemEPA regulations require that any appliance containing more than 50 pounds of refrigerant (except for commercial and industrial process refrigeration) must be repaired when the leak rate exceeds _____ of the charge per year. a) 5% b) 15% c) 20% d) 35% - answer>>b) 15% Which safety precautions should be adhered to for low pressure systems? a) Do not siphon refrigerant by mouth. b) Avoid spilling liquid refrigerant on the