Category: Refrigeration and Air Conditioning

A. receiver
B. expansion valve
C. evaporator
D. condenser discharge
E. compressor discharge

A. centrifugal
B. axial
C. miniature sealed unit
D. piston type reciprocating
E. none of the above

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. is less than 1
B. is more than 1
C. is equal to 1
D. depends upon the make
E. depends upon the weather conditions

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. decreases
B. increases
C. remains same
D. depends on other factors
E. none of the above

A. same
B. more
C. less
D. more or less depending on ambient conditions
E. unpredictable

A. saturation point of vapor
B. saturation point of liquid
C. sublimation temperature
D. triple point
E. critical point

A. ineffective refrigeration
B. high power consumption
C. freezing automatic regulating valve
D. corrosion of whole system
E. breakdown of refrigerant

A. actual COP/fheoretical COP
B. theoretical COP/actual COP
C. actual COP x theoretical COP
D. 1-actual COP x theoretical COP
E. 1-actual COP/fheoretical COP.