Environmental Science > QUESTIONS & ANSWERS > EPA Type 2 Questions and answers, 100% ACCURATE, graded A (All)
EPA Type 2 Questions and answers, 100% ACCURATE, graded A
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EPA Type 2 Questions and answers, 100% ACCURATE, graded A Heat pumps that have been retrofitted from R22 to R407C should be leak checked with: - ✔✔- pressurized nitrogen When a new system has ... been assembled, the first thing to do is: - ✔✔-pressurize 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. - ✔✔-35% Prior to replacing the condenser coil in a high pressure system, the refrigerant was recovered and stored in a refillable container. The refrigerant: - ✔✔-can probably be charged back into the system R-410A requires recovery tanks rated for at least: - ✔✔-400 psig to recover liquid refrigerant you must connect one hose to the - ✔✔-liquid line The primary water source for cooling the condenser of a water-cooled recovery unit is: - ✔✔-local municipal water supply After refrigerant liquid has been recovered from a system, any remaining vapor is: - ✔✔-condensed by the recovery system With an air-cooled condenser on the roof of a building and the evaporator on the first floor, recovery should first occur: - ✔✔-from the liquid line entering the evaporator [Show More]
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