Hydraulics and Fluid Mechanics in ME If the coefficient of discharge is 0.6, then the discharge over a right angled notch is 1.417 H5/2 0.417 H5/2 7.141 H5/2 4.171 H5/2 1.417 H5/2 0.417 H5/2 7.141 H5/2 4.171 H5/2 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) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ? 4 minutes 4 x V225 minutes 4 (225)1/3 minutes 4 x (225)3/2 minutes 4 minutes 4 x V225 minutes 4 (225)1/3 minutes 4 x (225)3/2 minutes ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME During the opening of a valve in a pipe line, the flow is Unsteady Uniform Laminar Steady Unsteady Uniform Laminar Steady ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The highest efficiency is obtained with a channel of __________ section. Circular Rectangular Square Trapezoidal Circular Rectangular Square Trapezoidal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is more than 6, the flow is called Sub-sonic flow Super-sonic flow Sonic flow Hyper-sonic flow Sub-sonic flow Super-sonic flow Sonic flow Hyper-sonic flow ANSWER DOWNLOAD EXAMIANS APP