Hydraulics and Fluid Mechanics in ME The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to Twice the breadth Half the depth Twice the depth Half the breadth Twice the breadth Half the depth Twice the depth Half the breadth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a free vortex motion, the radial component of velocity everywhere is zero non-zero and finite maximum minimum zero non-zero and finite maximum minimum 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) wd/4σ cosα σ cosα/4wd 4σ cosα/wd 4wd/σ cosα wd/4σ cosα σ cosα/4wd 4σ cosα/wd 4wd/σ cosα ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The units of kinematic viscosity are newton-sec per meter kg sec/meter metres² per sec newton-sec per meter newton-sec per meter kg sec/meter metres² per sec newton-sec per meter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The variation in the volume of a liquid with the variation of pressure is called its Capillarity Surface tension Viscosity Compressibility Capillarity Surface tension Viscosity Compressibility ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Medium specific speed of a pump implies it is Mixed flow pump Any one of the above Centrifugal pump Axial flow pump Mixed flow pump Any one of the above Centrifugal pump Axial flow pump ANSWER DOWNLOAD EXAMIANS APP