Test: Specific Energy - Civil Engineering (CE) MCQ

# Test: Specific Energy - Civil Engineering (CE) MCQ

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## 10 Questions MCQ Test Irrigation Engineering - Test: Specific Energy

Test: Specific Energy for Civil Engineering (CE) 2024 is part of Irrigation Engineering preparation. The Test: Specific Energy questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Specific Energy MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Specific Energy below.
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Test: Specific Energy - Question 1

### The dimensions of a rectangular channel are 3m in depth and 4m in width. Calculate the bed slope of the channel if the specific energy is 3.13m. [C=50]

Detailed Solution for Test: Specific Energy - Question 1

A = By = 12m2; P = B + 2y = 10m; R = 1.2m
E = y + (Q2/2gA2)

Q = 18.97m3/s
Q = AC

Test: Specific Energy - Question 2

### The specific energy of a channel section is 1.01m and the velocity of flow is 0.5m⁄s, calculate the depth of flow.

Detailed Solution for Test: Specific Energy - Question 2

E = y + (v2/2g)
1.01 = y + (1.5)2/2(9.81)
y = 1m.

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Test: Specific Energy - Question 3

### What is the equation of the curve AB?

Detailed Solution for Test: Specific Energy - Question 3

The curve AB (Specific Energy curve) is the combination of a parabola and a straight line, hence the valid equation is y + (Q/2gy2)

Test: Specific Energy - Question 4

The specific energy of a rectangular channel having dimensions 2m×3m is 3.095m. Calculate the friction factor.

Detailed Solution for Test: Specific Energy - Question 4

Test: Specific Energy - Question 5

Calculate the specific energy for the most economical rectangular channel having depth 2m and width 4m if the bed slope of the channel is 1 in 1200. C = 35.

Detailed Solution for Test: Specific Energy - Question 5

For most economical rectangular channel,
A = By = 8m2; R = y/2 = 1m

E = y + Q2/2gA2 = 2.05m.

Test: Specific Energy - Question 6

The depth of a trapezoidal channel section is 2m, base width of 3m and has a side slope of 1H:2V. Calculate n if the bed slope is 1 in 1000.

Detailed Solution for Test: Specific Energy - Question 6

Test: Specific Energy - Question 7

Calculate the velocity of flow through a channel having depth of 1.2m and specific energy equal to 1.24m.

Detailed Solution for Test: Specific Energy - Question 7

Test: Specific Energy - Question 8

What are y1 and y2 in the adjoining graph?

Detailed Solution for Test: Specific Energy - Question 8

For a particular specific energy above the minimum specific energy there are two depths called as alternate depths.

Test: Specific Energy - Question 9

Calculate the average shear stress for a rectangular channel having depth 0.5m, width 0.8m if the specific energy is 0.56m.

Detailed Solution for Test: Specific Energy - Question 9

Test: Specific Energy - Question 10

Estimate the specific energy for the most economical trapezoidal channel section having depth of 5m, side slope of 1H:4V and bed slope of 1 in 1200.

Detailed Solution for Test: Specific Energy - Question 10

## Irrigation Engineering

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## Irrigation Engineering

7 videos|35 docs|31 tests