Most door and window contacts are wired as _________.
A. Normally open
B. Normally closed
C. Always open
D. Always closed
A. Normally open
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When using CADD, building component sizes are drawn accurately.
Answer the following statement true (T) or false (F)
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In Figure P8.27 support D is constructed 1.5 in. to the right of its specified location. Using Bernoulli’s principle in Section 8.8, compute (a) the horizontal and vertical components of the displacement of joint B and (b) the change in slope of member BC.
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What type of head is the most common for screws used on unit covers?
A) Round head B) Hex head C) Allen head D) Square head
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The indoor coil is the evaporator in
A) The cooling cycle B) The heating cycle C) Both the heating and defrost cycles D) Both the cooling and defrost cycles
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