A. more
B. less
C. same
D. more for small capacity and less for high capacity
E. less for small capacity and more for high capacity
Related Mcqs:
- One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice_________________?
A. in 1 hour
B. in 1 minute
C. in 24 hours
D. in 12 hours
E. in 10 hours - Mass flow ratio of NH3 in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of___________________?
A. 1 : 1
B. 1 : 9
C. 9 : 1
D. 1 : 3
E. 3 : 1 - The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is_________________?
A. same
B. more
C. less
D. more or less depending on ambient conditions
E. unpredictable - One ton of the refrigeration is_________________?
A. the standard unit used in refrigeration problems
B. the cooling effect produced by melting 1 ton of ice
C. the refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours
D. the refrigeration effect to produce 1 ton of ice at NTP conditions
E. the refrigeration effect to produce 1 ton of ice in 1 hour time - The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is_________________?
A. bigger
B. smaller
C. equal
D. smaller/bigger depending on capacity
E. unpredictable - An important characteristic of absorption system of refrigeration is__________________?
A. noisy operation
B. quiet operation
C. cooling below 0°C
D. very little power consumption
E. its input only in the form of heating - Aqua ammonia is used as refrigerant in the following type of refrigeration system_________________?
A. compression
B. direct
C. indirect
D. absorption
E. none of the above - Super heating in a refrigeration cycle __________________?
A. increases COP
B. decreases COP
C. COP remains unaltered
D. other factors decide COP
E. unpredictable - Most of the domestic refrigerators work on the following refrigeration system _________________?
A. vapour compression
B. vapour absorption
C. carnot cycle
D. electrolux refrigerator
E. dual cycle - The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will__________________?
A. increase
B. decrease
C. may increase or decrease depending on the type of refrigerant used
D. remain unaffected
E. unpredictable
