Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/3 L L/4 L/2 L/3 L L/4 L/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Choose the correct relationship kinematicviscosity = dynamicviscosity x density gravity = specific gravity x density specific gravity = gravity x density dynamicviscosity = kinematicviscosity x density kinematicviscosity = dynamicviscosity x density gravity = specific gravity x density specific gravity = gravity x density dynamicviscosity = kinematicviscosity x density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel) (q³/g)1/4 (q²/g)1/3 (q/g)1/2 (q⁴/g)1/5 (q³/g)1/4 (q²/g)1/3 (q/g)1/2 (q⁴/g)1/5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The units of dynamic or absolute viscosity are newton-sec² per meter kg sec/meter metres² per sec newton-sec per meter newton-sec² per meter kg sec/meter metres² per sec newton-sec per meter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be Double Eight times Four times Sixteen times Double Eight times Four times Sixteen times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reynolds number is significant in full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc All of these simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls supersonics, as with projectile and jet propulsion full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc All of these simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls supersonics, as with projectile and jet propulsion ANSWER DOWNLOAD EXAMIANS APP
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