Fluid Mechanics As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1 Increases linearly with V None of these Decreases as V² Decreases linearly with V Increases linearly with V None of these Decreases as V² Decreases linearly with V ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equivalent diameter for flow through a rectangular duct of width B and height H is 4HB/(H + B) HB/2(H + B) 2HB/(H + B) HB/(H + B) 4HB/(H + B) HB/2(H + B) 2HB/(H + B) HB/(H + B) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Water is flowing at 1 m/sec through a pipe (of 10 cm I.D) with a right angle bend. The force in Newtons exerted on the bend by water is 10√2π 5√2π 5π/√2 5π/2 10√2π 5√2π 5π/√2 5π/2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity at a certain point in case of streamline flow is Both A & B Neither A nor B Constant Independent of time Both A & B Neither A nor B Constant Independent of time ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Purpose of relief valve in a reciprocating pump is to 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 Protect the pump against developing excessive pressure Control the rate of discharge Facilitate unidirectional flow of liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Cd is always __________ Cc. Less than Equal to Either more or less than Greater than Less than Equal to Either more or less than Greater than ANSWER DOWNLOAD EXAMIANS APP
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