Hydraulics and Fluid Mechanics in ME A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is 0.64 0.78 0.87 0.46 0.64 0.78 0.87 0.46 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity is defined as the ratio of Actual velocity of jet at vena contracta to the theoretical velocity Actual discharge through an orifice to the theoretical discharge None of these Area of jet at vena contracta to the area of orifice Actual velocity of jet at vena contracta to the theoretical velocity Actual discharge through an orifice to the theoretical discharge None of these Area of jet at vena contracta to the area of orifice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on an immersed surface inclined at an angle θ with the liquid surface is wAx/sinθ wAx wA wx wAx/sinθ wAx wA wx ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to 10 kg 100 kg 1 kg 1000 kg 10 kg 100 kg 1 kg 1000 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The factional resistance of a pipe varies approximately with __________ of the liquid. Pressure Square of velocity Velocity Cube of velocity Pressure Square of velocity Velocity Cube of velocity 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 = 3/2 × (dH/H) dQ/Q = 3 × (dH/H) dQ/Q = 5/2 × (dH/H) dQ/Q = 2 × (dH/H) dQ/Q = 3/2 × (dH/H) dQ/Q = 3 × (dH/H) dQ/Q = 5/2 × (dH/H) dQ/Q = 2 × (dH/H) ANSWER DOWNLOAD EXAMIANS APP