Hydraulics and Fluid Mechanics in ME When the Mach number is between ___ the flow is called super-sonic flow. 4 and 6 1 and 6 1 and 2.5 2.5 and 4 4 and 6 1 and 6 1 and 2.5 2.5 and 4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A manometer is used to measure Pressure in pipes and channels Difference of pressures between two points in a pipe Pressure in Venturimeter Atmospheric pressure Pressure in pipes and channels Difference of pressures between two points in a pipe Pressure in Venturimeter Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Mercury does not wet glass. This is due to property of liquid known as adhesion viscosity surface tension cohesion adhesion viscosity surface tension cohesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 'θ'. Sensitivity of inclined tube to sensitivity of U-tube is equal to Sinθ 1/Cosθ 1/Sinθ Cos θ Sinθ 1/Cosθ 1/Sinθ Cos θ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 + cos φ)/2 (1 + sin φ)/2 (1 - sin φ)/2 (1 - cos φ)/2 (1 + cos φ)/2 (1 + sin φ)/2 (1 - sin φ)/2 (1 - cos φ)/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.423 D 0.577 D 0.223 D 0.707 D 0.423 D 0.577 D 0.223 D 0.707 D ANSWER DOWNLOAD EXAMIANS APP
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