HVAC Water Chillers Quiz # 3

Following MCQs practice Quiz is related to ,HVAC ,absorption cooling chillers (single effect and double effect) and Lithium Bromide Chillers.

(See here HVAC quiz # 1   HVAC Quiz # 2 )

 

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1. Temperature ______when water is absorbed in lithium bromide solution

Does not change
reduces
increases
none of these

2. Which of following component shares common pressure with low pressure generator

generator
condenser
absorber
evaporator

3. Absorbent capacity increases when temperature of solution

Increases
decreases
remains unchanged
All of above

4. In ammonia-water system, ammonia is_____ and water is ______.

refrigerant,absorbent
absorbent,refrigerant
both refrigerant
none of these

5. In lithium bromide-water system, lithium bromide is_____ and water is ______.

refrigerant,absorbent
absorbent,refrigerant
both refrigerant
none of these

6. Crystallization in lithium bromide chillers is more likey

at lower concenrtation
at higher concentartion
in condenser
none of these

7. When crystallization occurs in lithium bromide chillers

chilled water temp decreases further
chilled water temp increases
no effect on working
none of above

8. In lithium bromide chillers ,crystallization is most likely to occur in

evaporator
absorber
LT hX
HT Hx

9. In lithium bromide chillers when crystallization occurs,

crystalls of refrigerant are formed
crystalls of absorbent are formed
refrigerant becomes ice
None of these

10. 4 components of absorption chiller are

evaporator,condenser,generator and absorber
evaporator,compressor,condenser,expansion valve
evaporator,condenser,generator and compressor
More than one statement is true