EPA 608 TYPE 3 TEST/ EPA 608 TYPE 3 REAL EXAM TEST 2024 LATEST UPDATE VERIFIED QUESTIONS & CORRECTLY HIGHLIGHTED ANSWERS 100% GUARANTEED PASS.

EPA 608 TYPE 3 TEST/ EPA 608 TYPE 3 REAL EXAM TEST 2024 LATEST UPDATE VERIFIED QUESTIONS & CORRECTLY HIGHLIGHTED ANSWERS 100% GUARANTEED PASS. During the evacuation of a system containing large amounts of moisture you can prevent freezing of this moisture by increasing the pressure with______gas - ANSWER- nitrogen ASHRAE standard 15-1994 requires that each machinery room must activate an alarm and mechanical ventilation beofre refrigerant concentrations exceed: - ANSWER- the threshold limit valve and time weighted average The typical design burst pressure for a rupture disk on a low pressure centrifugal airconditioning system is set at_______ - ANSWER- 15 psi Heat pumps that have been retrofitted from R22 to R407C should be leak checked with: - ANSWER- pressurized nitrogen When a new system has been assembled, the first thing to do is: - ANSWERpressurize the system with inert gas and leak check EPA regulations require that leaking commercial or industrial process refrigeration equipment must be repaired when the leak rate exceeds______ of the charge per year. - ANSWER- 35% Prior to replacing the condenser coil in a high pressure system, the refrigerant was recovered and stored in a refillable container. The refrigerant: - ANSWER- can probably be charged back into the system R-410A requires recovery tanks rated for at least: - ANSWER- 400 psig to recover liquid refrigerant you must connect one hose to the - ANSWER- liquid line The primary water source for cooling the condenser of a water-cooled recovery unit is: - ANSWER- local municipal water supply On low pressure chillers, moisture typically enters the refrigerant system through - ANSWER- air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: - ANSWER10 psig A hydrostatic tube test kit is used to: - ANSWER- determine if a tube leaks Commercial and industrial process refrigeration systems must be repaired when the leak rate exceeds ____ of the charge per year. - ANSWER- 35% A rupture disc on a recovery vessel for a low pressure refrigerants relieves at: - ANSWER- 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. - ANSWER- 2.5 mm Hg