Question

1. low - and high - side access valves can be installed instead of a single access valve ______. (3 points)

to speed - up recovery
to prevent contamination
to prevent oil recovery
to remove acids in the system

1. for a system with an operating compressor and a restricted capillary tube, what is the minimum number of access valves needed and where would you place them? (3 points)

only one access valve on the low side of the system
only one access valve on the high side of the system
two valves, one on the high side and one on the low side of the compressor
three valves, one on the high side and one on the low side of the compressor and the third at the condenser outlet

Explanation:

Answer:

(12) A. to speed - up recovery
(13) C. Two valves, one on the high side and one on the low side of the compressor