If there is too much primary air, the gas flame can ____.
A. get blown out
B. "lift" off the burner rack
C. make noise
D. both b and c
Answer: D
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The rebar-tying method shown in the figure below is called a _____.
a. wrap-and-tie b. standoff tie c. bar hitc d. nail-head ti
When dealing with construction joints, care must be taken to ensure _____.
a. they are not too close together b. a good bond between layers c. reinforcement is properly installed d. mating surfaces are smooth
Answer the following statement(s) true (T) or false (F)
The angled cut starting from the end going back into the face of the molding is called a back miter.
The specific volume of a gas that occupies 30 cubic feet and weighs 3 pounds is:
A) Specific volume = 30 ft3/3 lb = 10 ft3/lb.
B) Specific volume = 3 lb/30 ft3 = 0.1 lb/ft 3.
C) Specific volume = 30 ft3 + 3 lb = 33 lb/ft 3.
D) Specific volume = 3 lb × 30 ft3 = 900 lb/ft 3.