Fluid Mechanics Unsteady uniform flow is represented by flow through a/an Expanding tube at constant rate Long pipe at decreasing rate Long pipe at constant rate Expanding tube at increasing rate Expanding tube at constant rate Long pipe at decreasing rate Long pipe at constant rate Expanding tube at increasing rate ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following exemplifies a three dimensional fluid flow ? Viscous fluid flow between converging plates Fluid flow at the inlet to a nozzle Fluid flow between parallel plates None of these Viscous fluid flow between converging plates Fluid flow at the inlet to a nozzle Fluid flow between parallel plates None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For laminar flow through a closed conduit Vmax = 1.5Vav Vmax = 0.5Vav Vmax = 2Vav Vmax = Vav Vmax = 1.5Vav Vmax = 0.5Vav Vmax = 2Vav Vmax = Vav ANSWER DOWNLOAD EXAMIANS APP
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 Decreases linearly with V Increases linearly with V Decreases as V² None of these Decreases linearly with V Increases linearly with V Decreases as V² None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Purpose of relief valve in a reciprocating pump is to Control the rate of discharge Protect the pump against developing excessive pressure Reduce the discharge pressure Facilitate unidirectional flow of liquid Control the rate of discharge Protect the pump against developing excessive pressure Reduce the discharge pressure Facilitate unidirectional flow of liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of turbulent flow of a Newtonion fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity) 1.2 Vavg Vavg 1.5 Vavg 1.8 Vavg 1.2 Vavg Vavg 1.5 Vavg 1.8 Vavg ANSWER DOWNLOAD EXAMIANS APP
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