Fluid Mechanics Reciprocating pumps compared to centrifugal pumps Can be operated with delivery valve closed Are not subject to air binding Deliver liquid at uniform pressure Can handle slurries more efficiently Can be operated with delivery valve closed Are not subject to air binding Deliver liquid at uniform pressure Can handle slurries more efficiently ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drop (Δp) for a fluid flowing in turbulent flow through a pipe is a function of velocity (V) as V-0.2 V1.8 V2.7 V2 V-0.2 V1.8 V2.7 V2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Less than barometric pressure Less than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Greater than the vapour pressure of the liquid Less than barometric pressure Less than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Greater than the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is 2HW/(H + W)² HW/2(H + W)² HW/4(H + W)² √(HW/π) 2HW/(H + W)² HW/2(H + W)² HW/4(H + W)² √(HW/π) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The peripherial velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec. 736.4 12.4 1.8 186.2 736.4 12.4 1.8 186.2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The head loss in turbulent flow in a pipe varies Inversely as the velocity Inversely as the square of diameter As (velocity)² As velocity Inversely as the velocity Inversely as the square of diameter As (velocity)² As velocity ANSWER DOWNLOAD EXAMIANS APP
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