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
A. results in loss of heat due to poor heat transfer
B. increases heat transfer rate
C. is immaterial
D. can be avoided by proper design
E. decreases compressor power
A. decreases
B. increases
C. remains same
D. depends on other factors
E. none of the above
A. high triiscibility with oil
B. low boiling point
C. good electrical conductor
D. large latent heat
E. non-inflammable
A. strong solution to weak solution
B. weak solution to strong solution
C. strong solution to ammonia vapour
D. ammonia vapour to weak solution
E. ammonia vapour to strong solution
A. same
B. more
C. less
D. more/less depending on rating
E. unpredictable
A. critical pressure of refrigerant
B. much below critical pressure
C. much above critical pressure
D. near critical pressure
E. there is no such restriction
A. Ammonia
B. Carbon dioxide
C. Freon
D. Brine
E. Hydrocarbon refrigerant
A. condenser
B. evaporator
C. compressor
D. expansion valve
E. receiver
A. 1 : 1
B. 1 : 9
C. 9 : 1
D. 1 : 3
E. 3 : 1