A. high triiscibility with oil
B. low boiling point
C. good electrical conductor
D. large latent heat
E. non-inflammable
Related Mcqs:
- At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant_________________?
A. decreases
B. increases
C. remains same
D. depends on other factors
E. none of the above - Which of the following cycles uses air as the refrigerant__________________?
A. Ericsson
B. Stirling
C. Carnot
D. Bell-coleman
E. none of the above - The vapor compression refrigerator employs the following cycle_________________?
A. Rankine
B. Carnot
C. Reversed Rankine
D. Brayton
E. Reversed Carnot - The domestic refrigerator uses following type of compressor ____________________?
A. centrifugal
B. axial
C. miniature sealed unit
D. piston type reciprocating
E. none of the above - Refrigeration in aeroplanes usually employs the following refrigerant___________________?
A. Co2
B. Freon-11
C. Freon-22
D. Air
E. none of the above - 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 - 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 - Cooling water is required for following equipment in ammonia absorption plant__________________?
A. condenser
B. evaporator
C. absorber
D. condenser and absorber
E. condenser, absorber and separator (rectifier) - The general rule for rating refrigeration systems (excepting for C02 system) is to approximate following h.p. per ton of refrigeration__________________?
A. 0.1 to 0.5 h.p. per ton of refrigeration
B. 0.5 to 0.8 h.p. per ton of refrigeration
C. 1 to 2 h.p. per ton of refrigeration
D. 2 to 5 h.p. per ton of refrigeration
E. 5 to 10 h.p. per ton refrigeration - Absorption system normally uses the following refrigerant___________________?
A. Freon-11
B. Freon-22
C. C02
D. S02
E. ammonia
