7. The varied temperatures of a wastewat condenser has an effect on the A. liqui

Question

7. The varied temperatures of a wastewat condenser has an effect on the A. liquid refrigerant in the receiver B. vaporization that takes place in the C. head pressure in the condenser D. operation of the capillary tube. 8. In a water-cooled condenser, the condensi ng higher than emperature is normally the leaving water A. 40°F B. 35°F C. 25°F D. 10°F 9. In a wastewater condenser, a regulating valve is used to control the A. refrigerant flow. B. refrigerant temperature. C. water flow D. water temperature. 10. The primary reason for using a recirculating water system in a condenser is to A. save refrigerant. B. more efficiently vaporize the refrigerant. C. save or reuse the water D. raise the water temperature. 11. The cooling tower is used to A. cool the refrigerant. B. raise the head pressure in the condenser C. remove heat from the condenser water. D. increase the superheat in the suction line. 12. A natural-draft cooling tower should be locat ed t0 take advantage of the A. afternoon sun. B. prevailing wind. C. prevailing rain. D. longer summer days.

Explanation / Answer

(7). Ans- (C) - head pressure in the condenser.

(8). Ans-(D) - 10°F

(9). Ans-(C) - water flow

(10). Ans-(B) - more effectively vaporise the refrigerant

(11). Ans-(C) - remove heat from the condenser water

(12). And,-(c) - prevailing wind

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