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Explain Brake and Electrical Horsepower
Brake horsepower (bhp) = whp/pump efficiency
Electrical or motor horsepower (ehp) or (mhp) = bhp/motor efficiency
Friction of heat horsepower (fhp) = bhp - whp
NOTE: In centrifugal pump problems, the highest horsepower is mhp. To solve typical problems you must start by determining the whp (equations in the table) and using the pump and motor efficiencies, solve for bhp, mhp and/or fhp.
mhp > bhp > whp
Explain Chezy Manning Equation v = 1.49/n (R) 0.67 (S) 0.5 R = hydraulic radius (ft) = Area/ wetted perimeter, R = D/4 for circular channels full and one-half full
Properties of Matter: Due to surface tension, the free surface of a liquid behaves like a stretched elastic membrane tending to contract so as to have minimum surface area.
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Chemical Classification On the basis of their chemical composition engineers prefer to classify rocks as: 1. Silicious rocks 2. Argillaceous rocks 3. Calcare
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what is the disccusino
CEMENT Cement is a normally used binding material in the construction. By burning a mixture of argillaceous (clay) and calcarious (calcium) material at a very high temperature
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