HVAC Water Chillers Quiz # 4

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

 

(See here HVAC quiz # 1   HVAC Quiz # 2    HVAC Water Chillers Quiz # 3 )

 

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1. Capacity of absorption chiller is controlled through.

heat source
cooling water
chilled water flow
all of above


2. Which of the following statements is true for a lithium bromide?

It has same boiling point as water
Its absorption capacity decreases with temperature
It is used as refrigerant in absorption chiller
More than one statement is true


3. Which of the following statements is true for low pressure generator of lithium bromide chiller?

It heats the intermediate solution with vapors
It heats the vapor-solution by intermediate solution
It has its own steam source for heating the weak solution
None of above


4. Which of the following statements is true for high pressure generator of lithium bromide chiller?

It heats the intermediate solution with vapors
It heats the vapor-solution by intermediate solution
It has its own steam source for heating the weak solution
None of above


5. Which of the following statements is true for evaporator of lithium bromide chiller?

refrigerant gets vaporized by lithium bromide
refrigerant gets vaporized by taking heat from chilled water
Refrigerant is condensed by cooling water
None of above


6. Which of the following statements is true for condenser of lithium bromide chiller?

refrigerant gets condensed by lithium bromide
refrigerant gets vaporized by taking heat from chilled water
Refrigerant is condensed by cooling water
None of above


7. Which of the following statements is true for absorber of lithium bromide chiller?

vapor absorb lithium bromide in it
vapors are absorbed by lithium bromide in it.
absorbent is condensed by cooling water
None of above


8. Which of the following statements is true for LT heat exchanger of lithium bromide chiller?

It heats the intermediate solution with weak solution
It heats the weak solution with intermediate solution
It heats the weak solution with solution coming from low pressure generator
None of above


9. Which of the following statements is true for HT heat exchanger of lithium bromide chiller?

It heats the intermediate solution with weak solution
It heats the weak solution with strong solution
It heats the weak solution with solution coming from low pressure generator
It heats the weak solution with solution coming from HP generator


10. Which of the following statements is true for refrigerant pump of lithium bromide chiller?

It transports weak solution from evaporator to absorber
It transports the strong solution from generator to absorber
It transfers the weak solution from absorber to generator
It sprays again the refrigerant within evaporator from bottom