Hydraulics and Fluid Mechanics in ME A flow is called sub-sonic, if the Mach number is Between 1 and 6 Less than unity Unity More than 6 Between 1 and 6 Less than unity Unity More than 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Low specific speed of turbine implies it is Impulse turbine Any one of the above Francis turbine Propeller turbine Impulse turbine Any one of the above Francis turbine Propeller turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The volume of a fluid __________ as the pressure increases. None of these Decreases Increases Remains same None of these Decreases Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension) 4wd/σ cosα σ cosα/4wd 4σ cosα/wd wd/4σ cosα 4wd/σ cosα σ cosα/4wd 4σ cosα/wd wd/4σ cosα ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge of a depressed nappe is 6 to 7 percent __________ that of a free nappe. 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 The type of centrifugal pump preferred for a specific speed of 20 r.p.m. is Slow speed pump with radial flow at outlet Medium speed pump with radial flow at outlet High speed pump with radial flow at outlet High speed pump with axial flow at outlet Slow speed pump with radial flow at outlet Medium speed pump with radial flow at outlet High speed pump with radial flow at outlet High speed pump with axial flow at outlet ANSWER DOWNLOAD EXAMIANS APP