The need for breakaway connections on ducts connected to fire damper sleeves is based on the _____
a. thickness of the wall
b. metal gauge of the sleeve
c. size of the damper
d. volume of airflow
c
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If a crew of masons is needed to lay 1,000 concrete blocks, and the estimator determined that two masons could complete the job in one eight-hour day, what is the estimated productivity rate for block laying?
a. 125 blocks per hour b. 62.5 blocks per hour c. 31.25 blocks per hour d. 16 blocks per hour
For a lockset installation, professionals generally prefer to use _____.
a. a router b. a boring jig and boring bit c. the manufacturer's template d. a hole saw
The accompanying figure shows the parts of a window. What is feature 1?
A. Meeting rail B. Stile C. Sill D. Rail
List some sources the air conditioning technician can use to get system operational data
What will be an ideal response?