Hydraulics and Fluid Mechanics in ME According to Francis formula, the discharge over a rectangular weir is (where n = Number of end contractions) (2/3) × Cd (L - nH) × √(2gh) (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - nH) × √(2gh) (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2g) × H² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Trimming the impeller size to the required size by machining Not possible Some other alterations in the impeller Designing new impeller Trimming the impeller size to the required size by machining Not possible Some other alterations in the impeller Designing new impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece) 0.855 a. √2gH 0.5 a. √2gH √2gH 0.707 a. √2gH 0.855 a. √2gH 0.5 a. √2gH √2gH 0.707 a. √2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Cavitation is caused by low pressure high pressure high velocity weak material low pressure high pressure high velocity weak material ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a forced vortex motion, the velocity of flow is inversely proportional to its radial distance from the axis of rotation directly proportional to the square of its radial distance from the axis of rotation inversely proportional to the square of its radial distance from the axis of rotation directly proportional to its radial distance from axis of rotation inversely proportional to its radial distance from the axis of rotation directly proportional to the square of its radial distance from the axis of rotation inversely proportional to the square of its radial distance from the axis of rotation directly proportional to its radial distance from axis of rotation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Manning's formula, the discharge through an open channel is (where M = Manning's constant) A2/3 × M1/3 × m × i A × M × m1/2 × i2/3 A1/2 × M2/3 × m × i A × M × m2/3 × i1/2 A2/3 × M1/3 × m × i A × M × m1/2 × i2/3 A1/2 × M2/3 × m × i A × M × m2/3 × i1/2 ANSWER DOWNLOAD EXAMIANS APP
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