Why should electric furnaces not rest directly on the ceiling joists?

A) Most electric furnaces cannot be installed in the horizontal position
B) The ceiling will act as a sounding board and transmit the blower sound throughout the house
C) Most electric furnaces are too heavy to be supported by ceiling joists
D) Most electric furnaces should have a 6 inch clearance to combustibles on all sides


B

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Which is used extensively in commercial buildings despite potential "stuffiness" during light load conditions?

A) Chilled beam. B) Multiple zone VAV. C) Fan terminal units. D) Fan coils. E) VAV Multizone.

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Technician A says that some oil pan plugs on newer diesel engines only require a 1/4 turn to fully tighten. Technician B says that most oil pan sump plugs are removed and re-torqued using a 3/8-inch square socket drive. Who is correct?

A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B

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Define seed blend

What will be an ideal response?

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Before the deck (framing and subfloor or concrete slab) has been completed, the framing carpenter has already laid out the location of walls and partitions.

Answer the following statement true (T) or false (F)

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