In terms of fire-related fatalities in buildings in the U.S., which of the two building types is more vulnerable:

(i) Residential buildings or non-residential buildings?
(ii) One - and two-family dwellings or multifamily residential buildings?


(i) Residential buildings
(ii) One - and two-family dwellings

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?Technician A says that it is normal for the piston to remain stationary at TDC for a few degrees of crankshaft rotation. Technician B says that if the intake valve is open more at TDC than the exhaust valve, the cam is retarded. Who is right? 

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

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Swine classes consist of 12 animals to be ranked most desirable to least desirable.

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

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The sites in certain clay minerals which fix potassium ions are also capable of fixing which other ion?

A) NO3- B) Ca2+ C) H2PO4- D) NH4+ E) H+

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The standard rough-in dimension for a floor-mounted water closet is ____ from the center of the opening to the finished back wall.

A. 10" B. 12" C. 14" D. 16"

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