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 None of these Area of jet at vena contracta to the area of orifice Actual discharge through an orifice to the theoretical discharge Actual velocity of jet at vena contracta to the theoretical velocity None of these Area of jet at vena contracta to the area of orifice Actual discharge through an orifice to the theoretical discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity. IG sin²θ/Ax̅ below IG sinθ/Ax̅ above IG sin²θ/Ax̅ above IG sinθ/Ax̅ below IG sin²θ/Ax̅ below IG sinθ/Ax̅ above IG sin²θ/Ax̅ above IG sinθ/Ax̅ below ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific weight of water in S.I. units is taken as 9.81 × 10-6 N/mm3 9.81 kN/m3 Any one of these 9.81 × 103 N/m3 9.81 × 10-6 N/mm3 9.81 kN/m3 Any one of these 9.81 × 103 N/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity of jet of water travelling out of opening in a tank filled with water is proportional to V/T head of water (h) h2 h2 V/T head of water (h) h2 h2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is ________ of the jet velocity Two-third One-half One-third Three-fourth Two-third One-half One-third Three-fourth 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 = 2 × (dH/H) dQ/Q = 5/2 × (dH/H) dQ/Q = 3/2 × (dH/H) dQ/Q = 3 × (dH/H) dQ/Q = 2 × (dH/H) dQ/Q = 5/2 × (dH/H) ANSWER DOWNLOAD EXAMIANS APP
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