Hydraulics and Fluid Mechanics in ME Flow occurring in a pipeline when a valve is being opened is vortex steady unsteady laminar vortex steady unsteady laminar ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Designing new impeller Not possible Some other alterations in the impeller Trimming the impeller size to the required size by machining Designing new impeller Not possible Some other alterations in the impeller Trimming the impeller size to the required size by machining ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a cylindrical vessel of radius (r) containing liquid is revolved about its vertical axis ω rad/s, then depth of parabola which the liquid assumes is ω².r²/4g ω.r/4g ω.r/2g ω².r²/2g ω².r²/4g ω.r/4g ω.r/2g ω².r²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The impeller of a centrifugal pump may have Vortex casing Volute casing with guide blades Any one of these Volute casing Vortex casing Volute casing with guide blades Any one of these Volute casing ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid cavitation in centrifugal pumps The suction pressure should be low The delivery pressure should be high The delivery pressure should be low The suction pressure should be high The suction pressure should be low The delivery pressure should be high The delivery pressure should be low The suction pressure should be high ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME One stoke is equal to 10-2 m2/s 10-4 m2/s 10-6 m2/s 10-3 m2/s 10-2 m2/s 10-4 m2/s 10-6 m2/s 10-3 m2/s ANSWER DOWNLOAD EXAMIANS APP