Saturday, June 30, 2012

HVAC Quiz # 1

HVAC practice test

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

(Should you require quiz in pdf /ms word form,write down your email address in the comments below)  

  1. Expansion device in refrigeration machines is also sometimes called

  2. Condenser
    Throttle valve

  3. Solution in absorption chiller consists of

  4. Refrigerant only
    Rrefrigerant and water
    Refrigerant & absorbent
    None of above

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

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

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

  8. Evaporator
    Heat exchanger

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

  10. Weak solution
    Strong solution

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

  12. Weak solution
    Dilute solution
    both A & B
    None of above

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

  14. Evaporator
    LT/HT hx
    invalid question

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

  16. absorbent
    solution in absorber
    strong solution
    All of above

  17. Common heat sources for absorption system generator are________.

  18. Steam
    Hot water
    All of above

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

  20. Condensation

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