Cha varies refrigerant flow by varying the speeds at which a solenoid-operated v

Question

Cha varies refrigerant flow by varying the speeds at which a solenoid-operated valve opens and closes. A. dual-pressure EEV B. float-operated EEV C. pulse-width modulating EEV D. variable-frequency solenoid EEV 12. Which of the following statements regarding a low-side float system is not true? A. The evaporator has a large receiver that d in the syste holds liquid refrigerant. B. The float can be a sealed ball or an open pan. C. The high-side and low-side pressures and gas crose ged and gas-cha ged and liquid s essure limiter or balance during the Off cycle. D. These systems are often referred to as flooded systems. 13. Which device is used to reduce pressure drop across a large evaporator? A. bleeder or bypass B. distributor C. heat exchanger D. pressure limiter ed sensing bu 14. In heat pump systems, which metering device uses a movable piston that allows full flow in one direction and causes a pressure drop for flow in the other direction? sensing bulb ove A automatic expansion valve B. capillary tube C. metering orifice D. thermostatic expansion valve sion vahs is 15.A high-side float is a float-type metering device that regulates refrigerant flow into the evaporator based on the of liquid refrigerant in the high-side receiver A. pressure B. subcooling C temperature D. volume

Explanation / Answer

(11). Ans- pulse width modulating EEV

(12). Ans-The high side and low side pressure balancing during off cycle.

(13). Ans- Distributor

(14). Ans- Metering orifice

(15).Ans- Volume

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