Before flushing any system, all in-line devices, such as soft-seated control valves and magnetic flowmeters, must be _____
A) removed B) closed C) calibrated D) opened
A
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Friction pilings __________________
A. are drilled through bedrock and rely on friction between pilings and bedrock to keep the building from moving B. support the foundation through the grabbing force of the soil around the piling along its length C. are no longer permitted D. Both A and B
When aligning a coupling, the first thing to do is to:
A. Eyeball the initial placement of both units. B. Shim up the driver unit. C. Shim up the driven unit. D. Make sure the base and bottom of each unit are clean and smooth.
Wood I-joists covered with plywood can be used for site-built _____
a. column forms b. wide pan forms c. dome-pan forms d. beam forms
List four common welding problems.
What will be an ideal response?