Hydraulics and Fluid Mechanics in ME When the Mach number is less than unity, the flow is called Sonic flow Super-sonic flow Sub-sonic flow Hyper-sonic flow Sonic flow Super-sonic flow Sub-sonic flow Hyper-sonic flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a static fluid Only normal stresses can exist Fluid pressure is zero Linear deformation is small Resistance to shear stress is small Only normal stresses can exist Fluid pressure is zero Linear deformation is small Resistance to shear stress is small ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Low specific speed of a pump implies it is Mixed flow pump None of these Centrifugal pump Axial flow pump Mixed flow pump None of these Centrifugal pump Axial flow pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase of temperature results in decrease in viscosity of gas increase in viscosity of liquid decrease in viscosity of liquid increase in viscosity of gas decrease in viscosity of gas increase in viscosity of liquid decrease in viscosity of liquid increase in viscosity of gas ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be 1/3 to 1/2 1/16 to 1/8 1/4 to 1/3 1/8 to 1/4 1/3 to 1/2 1/16 to 1/8 1/4 to 1/3 1/8 to 1/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy line lies over the hydraulic gradient line by an amount equal to the Pressure head - velocity head Velocity head Pressure head + velocity head Pressure head Pressure head - velocity head Velocity head Pressure head + velocity head Pressure head ANSWER DOWNLOAD EXAMIANS APP
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