Hydraulics and Fluid Mechanics in ME The sheet of water flowing over a notch or a weir is known as Sill or crest Orifice Nappe or vein None of these Sill or crest Orifice Nappe or vein None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head. Two-third None of these One-half One-third Two-third None of these One-half One-third ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a static fluid Resistance to shear stress is small Linear deformation is small Fluid pressure is zero Only normal stresses can exist Resistance to shear stress is small Linear deformation is small Fluid pressure is zero Only normal stresses can exist ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For manometer, a better liquid combination is one having lower surface tension surface tension is no criterion higher surface tension high density and viscosity lower surface tension surface tension is no criterion higher surface tension high density and viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a depressed nappe The pressure above the nappe is negative The pressure above the nappe is atmospheric The pressure below the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is negative The pressure above the nappe is atmospheric The pressure below the nappe is negative The pressure below the nappe is atmospheric ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is v₁²/2g 0.5 v₁²/2g v₂²/2g 0.375 v₂²/2g v₁²/2g 0.5 v₁²/2g v₂²/2g 0.375 v₂²/2g ANSWER DOWNLOAD EXAMIANS APP