How deep a cut can be made in solid wood floor joists to accommodate ductwork?
A) Up to half the depth of the joist may be cut out from the top of the joist.
B) The joist can be completely severed so long as successive joists are not cut.
C) Up to half the depth of the joist may be cut out from the bottom of the joist.
D) No cuts can be made in solid wood floor joists for ducts.
[Ques. 2] How does the liquid turn back into vapor during the heating cycle?
A) The indoor check valve is opened to allow heat in.
B) Heat is taken from the outside air.
C) The indoor check valve closes to keep heat in.
D) Heat is added in the condenser.
[Ques. 3] The availability of standard communicating components and an open protocol means that more manufacturers can use communicating controls, opening the market up. This was demonstrated at the 1996 ASHRAE show in Atlanta, when multiple controllers from several major manufacturers were up and operating, all connected to the same ________ system.
A) BACnet B) climate C) standard protocol D) ClimateTalk
[Ques. 4] In a traditional gas furnace with a standard combination gas valve, what controls the gas valve?
A) The furnace ignition board B) The spark igniter
C) The door switch D) The heating thermostat
[Ques. 5] The air leaving an air conditioner typically has:
A) A low relative humidity with less water in the air.
B) A high relative humidity with more water in the air.
C) A high relative humidity with less water in the air.
D) A low relative humidity with more water in the air.
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