Hydraulics and Fluid Mechanics in ME The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is ρ ω2 r2 ρ ω2 r2/2 2ρ ω2 r2 ρ ω2 r2/4 ρ ω2 r2 ρ ω2 r2/2 2ρ ω2 r2 ρ ω2 r2/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which type of the pump is different from others in the same group? Plunger pump Screw pump Cam and piston pump Gear pump Plunger pump Screw pump Cam and piston pump Gear pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2000 is called Super-sonic velocity Lower critical velocity Higher critical velocity Sub-sonic velocity Super-sonic velocity Lower critical velocity Higher critical velocity Sub-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity distribution for laminar flow through a circular tube varies parabolically with maximum at the centre varies linearly from zero at walls to maximum at centre None of these is constant over the cross-section varies parabolically with maximum at the centre varies linearly from zero at walls to maximum at centre None of these is constant over the cross-section ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific gravity of an oil whose specific weight is 7.85 kN/m3, is 1.6 1 1.2 0.8 1.6 1 1.2 0.8 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to empty the tank completely will be (2AH₁²)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) ANSWER DOWNLOAD EXAMIANS APP