Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Greater than the vapour pressure of the liquid Less than the vapour pressure of the liquid Less than barometric pressure Equal to the vapour pressure of the liquid Greater than the vapour pressure of the liquid Less than the vapour pressure of the liquid Less than barometric pressure Equal to the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Permanent loss in a venturimeter is about __________ percent of the pressure drop in theupstream cone. 1 40 70 10 1 40 70 10 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Water is flowing at 1 m/sec through a pipe (of 10 cm I.D) with a right angle bend. The force in Newtons exerted on the bend by water is 5√2π 5π/2 10√2π 5π/√2 5√2π 5π/2 10√2π 5π/√2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Prandtl mixing length is None of these Applicable to laminar flow problems A universal constant Zero at the pipe wall None of these Applicable to laminar flow problems A universal constant Zero at the pipe wall ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting an axial flow pump, its delivery valve should be kept Either open or closed None of these Open Closed Either open or closed None of these Open Closed ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The bulk modulus of elasticity of a liquid Decreases with pressure Increases with pressure Is zero for incompressible liquid Is independent of temperature & pressure Decreases with pressure Increases with pressure Is zero for incompressible liquid Is independent of temperature & pressure ANSWER DOWNLOAD EXAMIANS APP
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