Hydraulics and Fluid Mechanics in ME In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta. Less than More than Equal to None of these Less than More than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A metal with specific gravity of 'a' floating in a fluid of same specific gravity 'a' will Sink to bottom Be fully immersed with top surface at fluid surface Partly immersed Float over fluid Sink to bottom Be fully immersed with top surface at fluid surface Partly immersed Float over fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on the top of a closed cylindrical vessel of radius (r) completely filled up with liquid of specific weight (w) and rotating at (ω) rad/s about its vertical axis, is π w ω² r³/4g π w ω² r²/4g π w ω² r²/2g π w ω² r⁴/4g π w ω² r³/4g π w ω² r²/4g π w ω² r²/2g π w ω² r⁴/4g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to the Manometric head Velocity head Static head Kinetic head Manometric head Velocity head Static head Kinetic head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced. None of these More than Less than Equal to None of these More than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies Square of fan speed Cube of fan speed Square root of fan speed Directly as fan speed Square of fan speed Cube of fan speed Square root of fan speed Directly as fan speed ANSWER DOWNLOAD EXAMIANS APP
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