Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump is Proportional to diameter and speed of impeller Proportional to diameter of impeller None of these Proportional to speed of impeller Proportional to diameter and speed of impeller Proportional to diameter of impeller None of these Proportional to speed of impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is 0.0116 stoke 0.116 stoke 0.0611 stoke 0.611 stoke 0.0116 stoke 0.116 stoke 0.0611 stoke 0.611 stoke ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A channel is said to be of most economical cross-section, if It gives maximum discharge for a given cross-sectional area and bed slope It has minimum wetted perimeter All of these It involves lesser excavation for the designed amount of discharge It gives maximum discharge for a given cross-sectional area and bed slope It has minimum wetted perimeter All of these It involves lesser excavation for the designed amount of discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centrifugal pump preferred for a specific speed between 80 to 160 r.p.m. is High speed with radial flow at outlet Medium speed with radial flow at outlet Slow speed with radial flow at outlet High speed with mixed flow at outlet High speed with radial flow at outlet Medium speed with radial flow at outlet Slow speed with radial flow at outlet High speed with mixed flow at outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The weight per unit volume of a liquid at a standard temperature and pressure is called Specific weight Mass density Specific gravity None of these Specific weight Mass density Specific gravity None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the Pressure head + velocity head Pressure head - velocity head Pressure head Velocity head Pressure head + velocity head Pressure head - velocity head Pressure head Velocity head ANSWER DOWNLOAD EXAMIANS APP
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