Fluid Mechanics The equivalent diameter for flow through a rectangular duct of width B and height H is 2HB/(H + B) HB/(H + B) 4HB/(H + B) HB/2(H + B) 2HB/(H + B) HB/(H + B) 4HB/(H + B) HB/2(H + B) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Turbine impeller Produces only tangential current Produces only radial current Does not produce tangential current Is effective over wide range of viscosities Produces only tangential current Produces only radial current Does not produce tangential current Is effective over wide range of viscosities ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will Increase Remain same Data insufficient to predict pressure drop Decrease Increase Remain same Data insufficient to predict pressure drop Decrease ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Purpose of relief valve in a reciprocating pump is to Protect the pump against developing excessive pressure Control the rate of discharge Facilitate unidirectional flow of liquid Reduce the discharge pressure Protect the pump against developing excessive pressure Control the rate of discharge Facilitate unidirectional flow of liquid Reduce the discharge pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The simple pitot tube measures the __________ pressure. Static None of these Dynamic Total Static None of these Dynamic Total ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is √(HW/π) HW/2(H + W)² HW/4(H + W)² 2HW/(H + W)² √(HW/π) HW/2(H + W)² HW/4(H + W)² 2HW/(H + W)² ANSWER DOWNLOAD EXAMIANS APP
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