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. 4πg/3 0.01πgH/4 0.04πgH/3 0.01πgH/8 4πg/3 0.01πgH/4 0.04πgH/3 0.01πgH/8 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Design of the casing of centrifugal pump should be such as to minimise the None of these Back flow through impeller Loss of kinetic head Loss of static head None of these Back flow through impeller Loss of kinetic head Loss of static head ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below : Δ P/L = 375 x 10³ VOM + 10.94 x 10⁶ V²OM (SI units) If water is to be used as the fluidising medium, the minimum fluidisation velocity, VOM is 12 mm/s 24 mm/s 28 mm/s 16 mm/s 12 mm/s 24 mm/s 28 mm/s 16 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drag does not depend upon the All of these Roughness of surface of the body Length of the body in flow direction Pressure of main flow only All of these Roughness of surface of the body Length of the body in flow direction Pressure of main flow only ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Water flow rate in a pipe of 3.5 metres diameter can be most economically and conveniently measured by a/an Venturimeter Rotameter Orificemeter Pitot tube Venturimeter Rotameter Orificemeter Pitot tube ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A fluid is pumped at the rate of 10 lb/sec to a height of 55 ft. The horse power required is __________ hp. 20090 1 20363 5.5 20090 1 20363 5.5 ANSWER DOWNLOAD EXAMIANS APP
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