Hydraulics and Fluid Mechanics in ME The normal stress in a fluid will be constant in all directions at a point only if It has zero viscosity It is at rest It has uniform viscosity It is incompressible It has zero viscosity It is at rest It has uniform viscosity It is incompressible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic mean depth for a circular pipe of diameter (d) is d/4 d d/2 d/6 d/4 d d/2 d/6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s) waV / 2g waV² / 2g waV / g waV² / g waV / 2g waV² / 2g waV / g waV² / g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow in which the volume of a fluid and its density does not change during the flow is called _________ flow. Incompressible Compressible Viscous None of these Incompressible Compressible Viscous None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by dQ/Q = 5/2 × (dH/H) dQ/Q = 3/2 × (dH/H) dQ/Q = 3 × (dH/H) dQ/Q = 2 × (dH/H) dQ/Q = 5/2 × (dH/H) dQ/Q = 3/2 × (dH/H) dQ/Q = 3 × (dH/H) dQ/Q = 2 × (dH/H) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an internal mouthpiece, if the jet after contraction does not touch the sides of the mouthpiece, then the mouthpiece is said to be Partially running full Partially running free Running free Running full Partially running full Partially running free Running free Running full ANSWER DOWNLOAD EXAMIANS APP