Explore topic-wise MCQs in Fluid Mechanics.

This section includes 5 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.

The discharge through a circular channel section having diameter 4m which is running half is 4.35 m3/s and the value of slope of energy line is Sf = 0.0003, calculate the value of C.

A. 50
B. 45
C. 40
D. 35
Answer» D. 35
2.

Calculate the discharge through a trapezoidal channel section if the depth of the channel is 3m and the base width is 3m. Given: C = 30, Sf = 0.0005, A = 12m2.

A. 6.10 m<sup>3</sup>/s
B. 7.10 m<sup>3</sup>/s
C. 8.10 m<sup>3</sup>/s
D. 9.10 m<sup>3</sup>/s
Answer» E.
3.

Calculate Sf for a triangular channel if the depth of the channel is 5m and the side slope is 1H:2V. Given: Q = 5.80 m3/s , C = 40.

A. 0.00010
B. 0.00011
C. 0.00012
D. 0.00013
Answer» D. 0.00013
4.

Calculate the total discharge though a rectangular channel having depth 2m and width 4m if the value of C = 50 and if the slope of the energy line is 0.00004.

A. 1.53 m<sup>3</sup>/s
B. 2.53 m<sup>3</sup>/s
C. 3.53 m<sup>3</sup>/s
D. 4.53 m<sup>3</sup>/s
Answer» C. 3.53 m<sup>3</sup>/s
5.

Which of the following assumptions about a GVF is false?

A. Channel is prismatic
B. Pressure distribution is hydrostatic
C. Flow characteristics change with time
D. Roughness co efficient is constant
Answer» D. Roughness co efficient is constant