_____________ valves are safety valves used to warn process technicians of equipment overpressurization.
Fill in the blank(s) with the appropriate word(s).
Sentinel
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The ______ is the undersurface or bottom of the arch.
A. skewback B. soffit C. intrados D. springer
What is the combined flow rate of the stormwater and streamwater in cubic meters per day just downstream of the two water sources?
A stormwater sewer empties snowmelt into a small stream channel. The storm sewer conveys 24 
of water per day of water containing 1,753 mg/L of nonreactive calcium chloride solids. The stream channel has a flow of 2,400 L per second and contains 84 mg/L of nonreactive calcium chloride.
What will be an ideal response?
Through selective breeding, humans have developed breeds of dogs for specific purposes. Dogs are easiest to train when the training is relevant to the job for which the breed was developed
A. True B. False
If the slope of the ground underneath the concrete footing is greater than ________, a stepped footing is required
A) 8% B) 10% C) 12% D) 6%