Hydraulics and Fluid Mechanics in ME The viscosity of water at 20°C is One stoke One centipoise One poise One centistoke One stoke One centipoise One poise One centistoke ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid) 4μvl/wd² 16μvl/wd² 32μvl/wd² 8μvl/wd² 4μvl/wd² 16μvl/wd² 32μvl/wd² 8μvl/wd² 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 Sixteen times Double Four times Eight times Sixteen times Double Four times Eight times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Ratio of inertia force to surface Jension is known as Mach number Froude number Reynold’s number Weber’s number Mach number Froude number Reynold’s number Weber’s number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, centre of pressure is Below be centre of gravity Could be above or below e.g. depending on density of body and liquid At the centre of gravity Above the centre of gravity Below be centre of gravity Could be above or below e.g. depending on density of body and liquid At the centre of gravity Above the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is [wa (V - v²)]/g [wa (V - v)]/g [wa (V - v)²]/2g [wa (V - v)]/2g [wa (V - v²)]/g [wa (V - v)]/g [wa (V - v)²]/2g [wa (V - v)]/2g ANSWER DOWNLOAD EXAMIANS APP
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