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ESE 2021 ME Technical Quiz || Various Refrigeration System & Refrigerent
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Question 1
The boiling point of ammonia is
Question 2
R-22 is the short name for
Question 3
A refrigerator is used to produce 2 ton of refrigeration having coefficient of performance 3.5. if the cost of electricity is Rs.10/kW-hr. Find the monthly bill in a month of 30 days. Assume mechanical efficiency of compressor 100%.
Question 4
If the efficiency of Carnot engine is 50% .If refrigerator is working between same temperature reservoirs that of Carnot engine, then what is the COP of the refrigerator
Question 5
The working temperatures in the evaporator and condenser coils of a refrigerator are -30 °C and 32 °C respectively. If the actual refrigerator has a COP of 0.85 of the maximum, the required power input for a refrigerating effect of 5 kW is nearly,
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Apr 26ESE & GATE ME
