Explore topic-wise MCQs in Fluid Mechanics.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Fluid Mechanics knowledge and support exam preparation. Choose a topic below to get started.

1.

Estimate the value of Sf if the value of bed slope is 1 in 800 and and dE dx = 10-3m.

A. 0.00015
B. 0.00025
C. 0.00035
D. 0.00045
Answer» C. 0.00035
Discussion
2.

Estimate the rate of change of specific energy having bed slope S0 and slope of total energy line Sf.

A. ( frac{dE}{dx} ) = S<sub>f</sub> S<sub>0</sub>
B. ( frac{dE}{dx} ) = S<sub>f</sub> ( frac{S_0}{2} )
C. ( frac{dE}{dx} ) = S<sub>0</sub> S<sub>f </sub>
D. ( frac{dE}{dx} = frac{S_f}{2} ) S<sub>0</sub>
Answer» D. ( frac{dE}{dx} = frac{S_f}{2} ) S<sub>0</sub>
Discussion
3.

Determine the dynamic equation for the rate of change of depth having bed slope S0 and slope of total energy line Sf in terms of Froude s number.

A. ( frac{dy}{dx} = frac{S_0-S_f}{1-F_r^2} )
B. ( frac{dy}{dx} = frac{S_0-S_f}{1-F_r} )
C. ( frac{dy}{dx} = frac{S_0-S_f}{1- sqrt{F_r}} )
D. ( frac{dy}{dx} = frac{S_0-S_f}{F_r^2} )
Answer» B. ( frac{dy}{dx} = frac{S_0-S_f}{1-F_r} )
Discussion
4.

Determine the dynamic equation for the rate of change of depth having bed slope S0 and slope of total energy line Sf.

A. ( frac{dy}{dx} = frac{S_0-S_f}{1- frac{QT}{gA^2}} )
B. ( frac{dy}{dx} = frac{S_0-S_f}{1- frac{Q^2T}{gA^2}} )
C. ( frac{dy}{dx} = frac{S_0-S_f}{1- frac{Q^2T}{gA^3}} )
D. ( frac{dy}{dx} = frac{S_0-S_f}{1- frac{Q^2T}{gA}} )
Answer» D. ( frac{dy}{dx} = frac{S_0-S_f}{1- frac{Q^2T}{gA}} )
Discussion