Of the four types of soils?gravel, sand, silt, and clay?which of them are considered cohesive soils and which are considered noncohesive soils?
What will be an ideal response?
Gravel and sand-noncohesive soils.
Silt and clay-cohesive soils.
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Which component uses electrically charged plates to remove particulate matter from flue gas?
a. Cyclonic dust collector b. Economizer c. Precipitator d. Scrubber
A quick test that can be made to determine if an installation is good is known as a(n) _____.
a. adequacy test b. maintenance test c. insulation resistance test d. go/no-go test
How is the refrigerant charge normally checked on air-conditioning systems that use a fixed orifice expansion device?
A) Feel to see if the suction line is cold and the liquid line warm. B) Subcooling C) Adjust the charge to achieve a 40°F saturated evaporator temperature. D) Superheat
A civil engineer purchases an item through a wholesale outlet, paying 89 1/2% of its retail price. What percent of the retail price did the engineer save?
What will be an ideal response?