What can cause the total airflow leaving the supply registers to be much lower than the amount of air the blower is moving?
What will be an ideal response?
Leaks in the supply side ductwork can cause the total airflow leaving the supply registers to be less than the total amount of air being circulated by the blower.
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____ walls are masonry walls constructed of an interior and exterior wall that are connected by metal ties and separated with an air space of at least 2 in., and no more than 4½ in. in width.
A. Cavity B. Composite C. Reinforced masonry D. Veneer
ASME Standard B30.9 provides guidance for chain slings regarding the minimal thickness at any point on the link, with the measurements based on _____.
a. the steel alloy from which the chain is made
b. the size of the connected hooks or other hardware
c. the nominal size of the chain link
d. the length of the chain sling leg(s)
In some cases, it may be better to leave large nicks in a hatchet or ax blade instead of fixing them
Indicate whether the statement is true or false.
Single-rate methods of preliminary estimating include all of the following EXCEPT ____________.
A. cost per unit B. cost per unit area C. cost per typical bay D. cost per unit volume