Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is _______ of the jet velocity, One-fourth Double One-half Three-fourth One-fourth Double One-half Three-fourth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a Notch Mouthpiece Weir Nozzle Notch Mouthpiece Weir Nozzle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a venturi-flume, the flow takes place at None of these Atmospheric pressure Absolute pressure Gauge pressure None of these Atmospheric pressure Absolute pressure Gauge pressure 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. Convex None of these Concave Plane Convex None of these Concave Plane ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by dQ/Q = 5/2 × (dH/H) dQ/Q = 3/2 × (dH/H) dQ/Q = 2 × (dH/H) dQ/Q = 3 × (dH/H) dQ/Q = 5/2 × (dH/H) dQ/Q = 3/2 × (dH/H) dQ/Q = 2 × (dH/H) dQ/Q = 3 × (dH/H) ANSWER DOWNLOAD EXAMIANS APP
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