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 / g waV² / 2g waV² / g waV / 2g waV / g waV² / 2g waV² / g waV / 2g 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 Four times Eight times Sixteen times Double Four times Eight times Sixteen times Double ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The surface tension of mercury at normal temperature is __________ that of water. Higher than None of these Lower than Same as Higher than None of these Lower than Same as ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Centre of pressure compared to e.g. is above it above or below depending on area of body at same point below it above it above or below depending on area of body at same point below it ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge Same quantity of liquid Q/0.75 1.5 Q 0.75 Q Same quantity of liquid Q/0.75 1.5 Q 0.75 Q ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is 4 2 1 43924 4 2 1 43924 ANSWER DOWNLOAD EXAMIANS APP
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