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 discharge of wheel is 1.5 m3/s 0.5 m3/s 0.25 m3/s 2.5 m3/s 1.5 m3/s 0.5 m3/s 0.25 m3/s 2.5 m3/s ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of discharge) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is (V1² - V2²) / V1² V1² / (V1² - V2²) (V1 - V2) / V1 V1 / (V1 - V2) (V1² - V2²) / V1² V1² / (V1² - V2²) (V1 - V2) / V1 V1 / (V1 - V2) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A body floating in a liquid is said to be in neutral equilibrium, if its metacentre Lies between the centre of buoyancy and centre of gravity Lies above its centre of gravity Coincides with its centre of gravity Lies below its centre of gravity Lies between the centre of buoyancy and centre of gravity Lies above its centre of gravity Coincides with its centre of gravity Lies below its centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of the liquid flowing through the divergent portion of a Venturimeter Depends upon mass of liquid Remains constant Decreases Increases Depends upon mass of liquid Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power produced by the reaction turbine is ________ to the head of water. 4th power Inversely proportional None of these Directly proportional 4th power Inversely proportional None of these Directly proportional ANSWER DOWNLOAD EXAMIANS APP
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