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 Which of the following is not a dimension-less parameter? Euler number Fanning friction factor None of these Specific gravity Euler number Fanning friction factor None of these Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The pressure drop per unit length of pipe incurred by a fluid 'X' flowing through pipe is Δp. If another fluid 'Y' having both the specific gravity & density just double of that of fluid 'X', flows through the same pipe at the same flow rate/average velocity, then the pressure drop in this case will be Δp² Δp Δp/2 2Δp Δp² Δp Δp/2 2Δp ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For a stable equilibrium of a submerged body (where, G and B are centres of gravity & buoyancy respectively). B is above G B & G coincide None of these G is above B B is above G B & G coincide None of these G is above B 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 Control the liquid discharge Remove the contaminant present in the liquid Minimise the fluctuation in discharge Avoid priming, every time we start the pump Control the liquid discharge Remove the contaminant present in the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water iterface? The balloon is of radius 0.1 m and is filled with air. 0.04πgH/3 0.01πgH/8 0.01πgH/4 4πg/3 0.04πgH/3 0.01πgH/8 0.01πgH/4 4πg/3 ANSWER DOWNLOAD EXAMIANS APP
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