A. ammonia vapour goes into solution
B. ammonia vapour is driven out of solution
C. lithium bromide mixes with ammonia
D. weak solution mixes with strong solution
E. lithium bromide is driven out of solution
Related Mcqs:
- Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption system ?
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 - The COP of a vapor compression plant in comparison to vapor absorption plant is ________________?
A. more
B. less
C. same
D. more/less depending on size of plant
E. unpredictable - Allowable pressure on high-pressure side or ammonia absorption system is of the order of_________________?
A. atmospheric pressure
B. slightly above atmospheric pressure
C. 2-4 bars
D. 5-6 bars
E. 7-10 bars - Ammonia-absorption refrigeration cycle requires__________________?
A. very little work input
B. maximum work input
C. nearly same work input as for vapour compression cycle
D. zero work input
E. none of the above - 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) - In a refrigeration system, heat absorbed in comparison to heat rejected is_________________?
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 - The boiling point of ammonia is___________________?
A. -100°C
B. -50°C
C. – 33.3°C
D. 0°C
E. 33.3°C - 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 - Ammonia is __________________?
A. non-toxic
B. non-inflammable
C. toxic and non-inflammable
D. highly toxic and inflammable
E. none of the above - Absorption system normally uses the following refrigerant___________________?
A. Freon-11
B. Freon-22
C. C02
D. S02
E. ammonia
