Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. None of these Decreases Remain same Increases None of these Decreases Remain same Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between Drag and resultant force Lift and drag Lift and tangential force Lift and resultant force Drag and resultant force Lift and drag Lift and tangential force Lift and resultant force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The gross or total head of the turbine is the ___________ of the water levels at the head race and tail race. Sum Difference None of these Product Sum Difference None of these Product ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most efficient section of a channel is Trapezoidal Rectangular Square Triangular Trapezoidal Rectangular Square Triangular ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to Half the depth Twice the breadth Half the breadth Twice the depth Half the depth Twice the breadth Half the breadth Twice the depth 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) × (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) Q = (2/3) Cd × b × √(2g) × (H2 - H1) ANSWER DOWNLOAD EXAMIANS APP
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