A. liquid
B. sub-cooled liquid
C. saturated liquid
D. wet vapour
E. dry vapour
A. Freon-11
B. Freon-22
C. C02
D. S02
E. ammonia
A. near critical temperature of refrigerant
B. above critical temperature
C. at critica. temperature
D. much below critical temperature
E. could be anywhere
A. reduce compressor overheating
B. reduce compressor discharge temperature
C. increase cooling effect
D. ensure that only liquid and not the vapour enters the expansion (throttling) valve
E. none of the above
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