Hydraulics and Fluid Mechanics in ME The specific gravity of an oil whose specific weight is 7.85 kN/m3, is 1 0.8 1.2 1.6 1 0.8 1.2 1.6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to equation of continuity, w1v1 = w2v2 w1a1 = w2a2 a1v1 = a2v2 a1/v1 = a2/v2 w1v1 = w2v2 w1a1 = w2a2 a1v1 = a2v2 a1/v1 = a2/v2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) 2gH 2g × √H H × √(2g) √(2gh) 2gH 2g × √H H × √(2g) √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The highest efficiency is obtained with a channel of __________ section. Trapezoidal Rectangular Circular Square Trapezoidal Rectangular Circular Square ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is between d and 1.5 d less than d between 1.5 d and 2d greater than 2d between d and 1.5 d less than d between 1.5 d and 2d greater than 2d ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of the centre of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is 4.0 m 3.0 m 2.4 m 5.0 m 4.0 m 3.0 m 2.4 m 5.0 m ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS