Fluid Mechanics Function of air vessel provided in a reciprocating pump is to Reduce the danger of cavitation Increase the pump efficiency Reduce discharge fluctuation Avoid the necessity of priming Reduce the danger of cavitation Increase the pump efficiency Reduce discharge fluctuation Avoid the necessity of priming ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following is used for very accurate measurement of flow of gas at low velocity? Rotameter Segmental orificemeter Hot wire annemometer Pitot tube Rotameter Segmental orificemeter Hot wire annemometer Pitot tube ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Shear stress in a fluid flowing in a round pipe Varies parabolically across the cross-section Is zero at the wall and increases linearly to the centre Is zero at the centre and varies linearly with the radius Remains constant over the cross-section Varies parabolically across the cross-section Is zero at the wall and increases linearly to the centre Is zero at the centre and varies linearly with the radius Remains constant over the cross-section ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The fluid velocity varies as the cube of the cylinderical pipe diameter in case of steady state laminar flow at constant pressure drop for __________ fluid. Newtonion Pseudoplastic Bingham plastic Dilatent Newtonion Pseudoplastic Bingham plastic Dilatent ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Plunger pumps are used for None of these Slurries Higher pressure Viscous mass None of these Slurries Higher pressure Viscous mass 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 28 mm/s 16 mm/s 24 mm/s 12 mm/s 28 mm/s 16 mm/s 24 mm/s 12 mm/s ANSWER DOWNLOAD EXAMIANS APP
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