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 waV / 2g waV² / 2g waV² / g waV / g waV / 2g waV² / 2g waV² / g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be Unpredictable Lower than the surface of liquid The same as the surface of liquid Higher than the surface of liquid Unpredictable Lower than the surface of liquid The same as the surface of liquid Higher than the surface of liquid 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 0.75 Q 1.5 Q Q/0.75 Same quantity of liquid 0.75 Q 1.5 Q Q/0.75 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface. None of these Plane Convex Concave None of these Plane Convex Concave ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is equal slightly less nearly half slightly more equal slightly less nearly half slightly more ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is between ___ the flow is called super-sonic flow. 1 and 6 2.5 and 4 4 and 6 1 and 2.5 1 and 6 2.5 and 4 4 and 6 1 and 2.5 ANSWER DOWNLOAD EXAMIANS APP
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