Explore topic-wise MCQs in Fluid Mechanics.

This section includes 10 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.

Calculate the depth in case of circular channel discharging to the maximum extent if the radius of the channel is 2m.

A. 1.8m
B. 2.8m
C. 3.8m
D. 4.8m
Answer» D. 4.8m
2.

Calculate the hydraulic mean depth in case of maximum mean velocity if the radius of the channel is 0.5m.

A. 0.3m
B. 0.4m
C. 0.5m
D. 0.6m
Answer» B. 0.4m
3.

The maximum discharge through a circular channel is 0.61 m3/s and the radius of the section is 0.7m. Calculate the value of n if the bed slope value is 1 in 1100.

A. 0.018
B. 0.019
C. 0.020
D. 0.021
Answer» D. 0.021
4.

The maximum discharge through a circular channel is 0.38 m3/s and the radius of the channel is 0.6m. Calculate the value of C if S0=1 in 1000.

A. 45
B. 50
C. 55
D. 60
Answer» C. 55
5.

The maximum discharge through a most economical circular section in case of maximum velocity is 0.16 m3/s calculate the bed slope of the channel if the radius is 0.4m and C = 55.

A. 1 in 1000
B. 1 in 1100
C. 1 in 1200
D. 1 in 1300
Answer» D. 1 in 1300
6.

Determine the depth of flow in case of maximum velocity when the radius of the channel is 2.2m.

A. 3.56m
B. 4.56m
C. 5.56m
D. 6.56m
Answer» B. 4.56m
7.

What is the depth of flow in case most economical circular section considering maximum velocity?

A. 0.61D
B. 0.71D
C. 0.81D
D. 0.91D
Answer» D. 0.91D
8.

What is the value of the in case of most economical circular channel section?

A. 128 45
B. 129 45
C. 130 45
D. 131 45
Answer» B. 129 45
9.

What is the condition for maximum velocity in case of most economical circular section?

A. sin u2061 2 =2
B. cos u2061 2 =2
C. tan u2061 2 =2
D. sec u2061 2 =2
Answer» D. sec u2061 2 =2
10.

Which of the following conditions is taken into account in case of most economical circular channel section?

A. Minimum wetted perimeter
B. Minimum wetted area
C. Maximum velocity
D. Maximum depth
Answer» D. Maximum depth