A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is________________?

Related Mcqs:

In vapour compression cycle, the conditii of refrigerant is saturated liquid________________?

A. after passing through the condenser B. before passing through the condensei C. after passing through the expansion throttle valve D. before entering the expansion valve E. before entering the compressor...

Refrigeration in aeroplanes usually employs the following refrigerant___________________?

A. Co2 B. Freon-11 C. Freon-22 D. Air E. none of the above...

In vapour compression cycle using NH3 as refrigerant, initial charge is filled at_________________?

A. suction of compressor B. delivery of compressor C. high pressure side close to receiver D. low pressure side near receiver E. anywhere in the cycle...

The general rule for rating refrigeration systems (excepting for C02 system) is to approximate following h.p. per ton of refrigeration__________________?

A. 0.1 to 0.5 h.p. per ton of refrigeration B. 0.5 to 0.8 h.p. per ton of refrigeration C. 1 to 2 h.p. per ton of refrigeration D. 2 to 5 h.p. per ton of refrigeration E. 5 to 10 h.p. per ton refrigeration...

Highest temperature encountered in refrigeration cycle should be________________?

A. near critical temperature of refrigerant B. above critical temperature C. at critica. temperature D. much below critical temperature E. could be anywhere...