Hydraulics and Fluid Mechanics in ME According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed) A × √(m × i) C × √(m × i) mi × √(A × C) AC × √(m × i) A × √(m × i) C × √(m × i) mi × √(A × C) AC × √(m × i) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge of a depressed nappe is 6 to 7 percent __________ that of a free nappe. None of these More than Equal to Less than None of these More than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to 1/2 × sloping side 1/2 × breadth 1/2 × depth 1/4 × (depth + breadth) 1/2 × sloping side 1/2 × breadth 1/2 × depth 1/4 × (depth + breadth) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reynold's number is the ratio of inertia force to Pressure force Viscous force Elastic force Gravity force Pressure force Viscous force Elastic force Gravity force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Piezometer tube is used only for measuring Low pressure High pressure Vacuum pressure Moderate pressure Low pressure High pressure Vacuum pressure Moderate pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy’s coefficient of friction for pipe, and l = Length of pipe) d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/2 ANSWER DOWNLOAD EXAMIANS APP
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