Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will sink down if Gravitational force is more than the up-thrust of the liquid None of these Gravitational force is less than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid Gravitational force is more than the up-thrust of the liquid None of these Gravitational force is less than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of the inertia force to the __________ is called Euler's number. Surface tension force Elastic force Pressure force Viscous force Surface tension force Elastic force Pressure force Viscous force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice) Q = (3Cd × a)/√(2h) Q = Cd × a × 2gh Q = (Cd × a)/√(2gh) Q = (2/3). Cd × a × h Q = (3Cd × a)/√(2h) Q = Cd × a × 2gh Q = (Cd × a)/√(2gh) Q = (2/3). Cd × a × h ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Manning's formula, the discharge through an open channel is (where M = Manning's constant) A × M × m1/2 × i2/3 A2/3 × M1/3 × m × i A × M × m2/3 × i1/2 A1/2 × M2/3 × m × i A × M × m1/2 × i2/3 A2/3 × M1/3 × m × i A × M × m2/3 × i1/2 A1/2 × M2/3 × m × i ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is 0.83 0.6 0.4 0.3 0.83 0.6 0.4 0.3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters) wQHd wQ (Hs + Hd) wQ (Hs - Hd) wQHs wQHd wQ (Hs + Hd) wQ (Hs - Hd) wQHs ANSWER DOWNLOAD EXAMIANS APP
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