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badkarma2007 badkarma2007
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6 years ago
What two pressures are created by air moving through the duct system?
 
  A) Barometric pressure and atmospheric pressure B) Supply pressure and return pressure
  C) Air pressure and friction pressure D) Velocity pressure and static pressure


[Ques. 2] Carbon monoxide usually enters the living space:
 
  A) Through infiltration from the outside.
  B) Through the respiration of the building occupants.
  C) Through excessive ventilation from the outside.
  D) From one area of the building to another.


[Ques. 3] Which system allows simultaneous heating or cooling?
 
  A) Heat recovery system B) Multisplit system. C) Mini-split system


[Ques. 4] What phase comes just before start and check?
 
  A) Evacuation and charging B) Electrical connection
  C) Equipment selection D) Piping installation


[Ques. 5] Which control system allows a building to be monitored and controlled from a remote location?
 
  A) Direct digital B) Pneumatic C) Piezoelectric D) Electronic
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AnnahindranceAnnahindrance
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6 years ago
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badkarma2007 Author
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#2
6 years ago
Extremely helpful
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