Hydraulics and Fluid Mechanics in ME For centrifugal pump impeller, the maximum value of the vane exit angle is 20° to 25° 10° to 15° 15° to 20° 25° to 30° 20° to 25° 10° to 15° 15° to 20° 25° to 30° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Axial flow pump is started with its delivery valve Kept fully open Kept 50% open Irrespective of any position Kept fully closed Kept fully open Kept 50% open Irrespective of any position Kept fully closed 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
Hydraulics and Fluid Mechanics in ME One horsepower is equal to 550 watts 75 watts 102 watts 735 watts 550 watts 75 watts 102 watts 735 watts ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of contraction is the ratio of Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centrifugal pump preferred for a specific speed between 80 to 160 r.p.m. is High speed with mixed flow at outlet High speed with radial flow at outlet Slow speed with radial flow at outlet Medium speed with radial flow at outlet High speed with mixed flow at outlet High speed with radial flow at outlet Slow speed with radial flow at outlet Medium speed with radial flow at outlet ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS