EPA 608 Type 3 Test | 140 Questions with 100% Correct Answers | Verified | Latest Update 2024

On low pressure chillers, moisture typically enters the refrigerant system through - air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: - 10 psig A hydrostatic tube test kit is used to: - determine if a tube leaks Commercial and industrial process refrigeration systems must be repaired when the leak rate exceeds ____ of the charge per year. - 35% A rupture disc on a recovery vessel for a low pressure refrigerants relieves at: - 15 psig 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. - 2.5 mm Hg The primary water source for a recovery unit condensing coil is _____. - local municipal water supply When recharging a refrigeration system with R-11, what vaporpressure is necessary in the shells before changing with liquid? - 16.9" Hg vacuum