Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/2 L/3 L L/4 L/2 L/3 L L/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump depends on Speed Fluid density Both (A) and (B) above Impeller diameter Speed Fluid density Both (A) and (B) above Impeller diameter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe) 0.423 R 0.223 R 0.577 R 0.707 R 0.423 R 0.223 R 0.577 R 0.707 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Cavitation will begin when flow is increased the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid pressure becomes more than critical pressure pressure is increased flow is increased the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid pressure becomes more than critical pressure pressure is increased ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A turbine pump is basically a centrifugal pump equipped additionally with Vaned diffusion casing Inlet guide blades Adjustable blades Backward curved blades Vaned diffusion casing Inlet guide blades Adjustable blades Backward curved blades ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit discharge of wheel is 0.25 m3/s 0.5 m3/s 1.5 m3/s 2.5 m3/s 0.25 m3/s 0.5 m3/s 1.5 m3/s 2.5 m3/s ANSWER DOWNLOAD EXAMIANS APP
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