Building Construction Quiz (heating, Ventilation And Air-conditioning)

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 Building Construction Quiz (heating, Ventilation And Air-conditioning)

  
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  • 1. 
    Simultaneous control of the temperature, humidity, motion and purity of air in a confined space.

  • 2. 
    For summer cooling, temperatures of __________________ and _____% relative humidity are a frequent design average
    • A. 

      20%

    • B. 

      76 to 85 F

    • C. 

      75 to 82 F

    • D. 

      40%

    • E. 

      50%

    • F. 

      76 to 88F

    • G. 

      76 to 80F


  • 3. 
    For winter cooling temperatures of ______________________ with relative humidity of ________________ is found most satisfactory
    • A. 

      75 to 80F

    • B. 

      70 to 85%

    • C. 

      30 to 35%

    • D. 

      72 to 75F

    • E. 

      15 to 30%

    • F. 

      70 to 75F

    • G. 

      35 to 40%


  • 4. 
    Air velocity should average ___________ measured ___________________ above the floor
    • A. 

      15 to 25

    • B. 

      32 degrees

    • C. 

      36 degrees

    • D. 

      15 to 27

    • E. 

      15 to 30

    • F. 

      31 degrees


  • 5. 
    _________ to 40 cuft of air per minute per person where smoking is permitted
    • A. 

      7 and a half

    • B. 

      5 and a half

    • C. 

      25

    • D. 

      30


  • 6. 
    Passing air through coils containing the refrigerant itself. These coils are called ____________ coils.

  • 7. 
    What does ACCU stand for

  • 8. 
    What does FCU stand for?

  • 9. 
    Coil for heating air that is below 32 degrees F to a temperature slightly above freezing. 
    • A. 

      Fan Coil Unit

    • B. 

      Blower

    • C. 

      Chiller

    • D. 

      Preheater


  • 10. 
    Moveable Plate for regulating draft in an air outlet, air duct, the throat of a fireplace
    • A. 

      Chiller

    • B. 

      Damper

    • C. 

      Preheater

    • D. 

      Filter


  • 11. 

    identify.

  • 12. 
    Porous substance or mass as cloth or layer of charcoal, through which a gas or liquid is passed to remove suspended impurities. 

  • 13. 
    AHU

  • 14. 
    Conditioned air delivered by an air conditioning system to the served spaces
    • A. 

      Return air

    • B. 

      Exhaust air

    • C. 

      Supply air

    • D. 

      Fresh air


  • 15. 
    Machine that raises, transfers or compresses fluids or gases by the suction or pressure produced by a piston, plunger or set of rotating vanes

  • 16. 
    Fan for supplying air at a moderate pressure as to supply forced drafts in a heating or air-conditioned system. 

  • 17. 
    Room containing one or more chillers and pumps for air conditioning a building.
    • A. 

      Mechanical equipment room

    • B. 

      Cooling tower

    • C. 

      Humidifier

    • D. 

      Chilled water plant


  • 18. 
    Pump or other machine reducing the volume and increasing the pressure of gas.
    • A. 

      Compressor

    • B. 

      Condenser

    • C. 

      Compressive refrigeration

    • D. 

      Nest


  • 19. 
    Fluid agent for reducing the temperature of a system below a specified valve by conducting away the head produced in the operation of a system. 

  • 20. 
    Replacement of the volume of air contained within a room with an equivalent volume of fresh air. 
    • A. 

      Chimney effect

    • B. 

      Air change

    • C. 

      Cross ventilation

    • D. 

      Mechanical ventilation


  • 21. 
    Most common type of air conditioning unit. 
    • A. 

      Standing unit split type

    • B. 

      Wall mounted

    • C. 

      Ceiling mounted

    • D. 

      Window type


  • 22. 
    A device for maintaining or increasing the amount of water vapor in the air of a room or a building. 

  • 23. 
    Degree day above the standard temperature of 24 degrees C used in estimating energy requirements for air-conditioning and refrigeration. 
    • A. 

      Cooling day

    • B. 

      Cooling load

    • C. 

      Ton of refrigeration

    • D. 

      Energy effieciency rating


  • 24. 
    Liquid capable of vaporizing at a low temperature, as ammonia, used in mechanical refrigeration. 
    • A. 

      Coolant

    • B. 

      Absorber

    • C. 

      Refrigerant

    • D. 

      Condenser


  • 25. 
    Index of the efficiency of a refrigerating unit, expressing the Btu removed per watt of electrical energy input
    • A. 

      Cooling degree day

    • B. 

      Energy efficiency rating

    • C. 

      Ton or refrigeration

    • D. 

      Heat sink


  • 26. 
    Draw the ff kinds of split-type air conditioners. Answers on page 219 of Building Construction Module 1. standing unit split type 2. wall mounted split type 3. ceiling mounted split type. 

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