HVAC Quiz # 1

Following Quiz is related to ,HVAC ,vapor absorption cycle (single effect and double effect)and Lithium Bromide Chillers.

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1. Expansion device in refrigeration machines is also sometimes called

Condenser
Compressor
Evaporator
Throttle valve


2. Solution in absorption chiller consists of

Refrigerant only
Rrefrigerant and water
Refrigerant & absorbent
None of above


3. Heat in the lithium bromide chiller generator releases_________ from solution.

refrigerant vapors
water (in liquid form)
absorbent vapors
None of them


4. The maximum refrigerant vapors from evaporator are absorbed in the absorbent in the ___ .

Evaporator
Heat exchanger
absorber
Generator


5. A solution with relatively high % of absorbent and relatively low % of refrigerant is called

Weak solution
Absorbent
Refrigerant
Strong solution


6. A solution with relatively low % of absorbent and relatively high % of refrigerant is called

Weak solution
Dilute solution
both A & B
None of above


7. Generator in single effect absorption chiller receives strong solution from

Evaporator
LT/HT hx
Absorber
invalid question


8. In the absorption process, refrigerant (water) is absorbed into a(n) _____

absorbent
solution in absorber
strong solution
All of above


9. Common heat sources for absorption system generator are________.

Steam
Hot water
Gas
All of above


10. Conversion of the strong solution into solid or slushy mass is called

Condensation
Desorption
Evaporation
Crystallization