Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit speed of the wheel is 20 r.p.m. 10 r.p.m. 40 r.p.m. 80 r.p.m. 20 r.p.m. 10 r.p.m. 40 r.p.m. 80 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel. 0.34 times 0.95 times 0.81 times 0.67 times 0.34 times 0.95 times 0.81 times 0.67 times 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 wA wx wAx/sinθ wAx wA wx wAx/sinθ wAx ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s) waV² / g waV / g waV² / 2g waV / 2g waV² / g waV / g waV² / 2g waV / 2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The major loss of energy in long pipes is due to sudden contraction friction sudden enlargement gradual contraction or enlargement sudden contraction friction sudden enlargement gradual contraction or enlargement ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vertically immersed surface is shown in the below figure. The distance of its centre of pressure from the water surface is d²/12 + x̅ b²/12 + x̅ (bd²/12) + x̅ (d²/12 x̅) + x̅ d²/12 + x̅ b²/12 + x̅ (bd²/12) + x̅ (d²/12 x̅) + x̅ ANSWER DOWNLOAD EXAMIANS APP
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