Mechanical Engineering Mcqs — Test 20
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Question 1
The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will__________________?
Question 2
Cooling water is required for following equipment in ammonia absorption plant__________________?
Question 3
The general rule for rating refrigeration systems (excepting for C02 system) is to approximate following h.p. per ton of refrigeration__________________?
Question 4
Vertical lines on pressure-enthalpy chart show constant_______________?
Question 5
The coefficient of performance is the ratio of the refrigerant effect to the_________________?
Question 6
Under-cooling in a refrigeration cycle_________________?
Question 7
The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is_________________?
Question 8
The advantage of dry compression is that________________?
Question 9
For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then_________________?
Question 10
One ton of the refrigeration is_________________?