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 Decreases linearly with V None of these Decreases as V² Increases linearly with V Decreases linearly with V None of these Decreases as V² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following is used for very accurate measurement of flow of gas at low velocity? Rotameter Hot wire annemometer Segmental orificemeter Pitot tube Rotameter Hot wire annemometer Segmental orificemeter Pitot tube ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is Greater in 1 mm dia tube Same in both the tubes Greater in 0.5 mm dia tube Zero in both the tubes Greater in 1 mm dia tube Same in both the tubes Greater in 0.5 mm dia tube Zero in both the tubes ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Capillary tube method of viscosity measurement is based on the Stoke's law None of these Navier-stokes equation Hagen-Poiseulle's equation Stoke's law None of these Navier-stokes equation Hagen-Poiseulle's equation ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Foot valves are provided in the suction line of a centrifugal pump to Minimise the fluctuation in discharge Avoid priming, every time we start the pump Remove the contaminant present in the liquid Control the liquid discharge Minimise the fluctuation in discharge Avoid priming, every time we start the pump Remove the contaminant present in the liquid Control the liquid discharge ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A venturimeter can not be used for the direct measurement of All of these Datum difference in the stretch of pipeflow Pressure difference in the flow throughpipeline Friction loss in pipe flow All of these Datum difference in the stretch of pipeflow Pressure difference in the flow throughpipeline Friction loss in pipe flow ANSWER DOWNLOAD EXAMIANS APP
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