Fluid Mechanics Purpose of relief valve in a reciprocating pump is to Protect the pump against developing excessive pressure Facilitate unidirectional flow of liquid Reduce the discharge pressure Control the rate of discharge Protect the pump against developing excessive pressure Facilitate unidirectional flow of liquid Reduce the discharge pressure Control the rate of discharge ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the __________ head. Manometric Friction Total Static Manometric Friction Total Static ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A hydraulic ram acts as a/an __________ pump. Reciprocating Impulse Centrifugal Parallel cylinder Reciprocating Impulse Centrifugal Parallel cylinder ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics High specific speed of a pump implies that, it is a/an __________ pump. Axial flow None of these Mixed flow Centrifugal Axial flow None of these Mixed flow Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The most economical flow control valve for use with large diameter pipes is a Butterfly valve Needle valve Globe valve None of these Butterfly valve Needle valve Globe valve None of these 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
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