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A veniturflume is constructed at a channel section of width 5m. The width at throat of venturi flume is 2m. Water flows at a depth of 2m in a channel and drops to 1 m at throat section. Consider the coefficient of discharge as 0.95. The rate of flow in channel is: 1, 22. 46/97.7^1/2 2. 40.37/ 97.7^1/2 3. 22. 46/82.4^1/2 4. 40.37 /82.4 ^1/2?
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A veniturflume is constructed at a channel section of width 5m. The wi...
**Given Data:**

Width of channel (B1) = 5 m
Width of throat (B2) = 2 m
Depth of flow in channel (H1) = 2 m
Depth of flow in throat (H2) = 1 m
Coefficient of discharge (Cd) = 0.95

**Analysis:**

To find the rate of flow in the channel, we can use the continuity equation, which states that the product of the cross-sectional area and velocity remains constant along a streamline.

The cross-sectional area of flow in the channel (A1) can be calculated as:

A1 = B1 * H1

The cross-sectional area of flow in the throat (A2) can be calculated as:

A2 = B2 * H2

The velocity of flow in the channel (V1) can be calculated using the equation of continuity:

V1 = (A2/A1) * (V2/Cd)

Where:
V2 = velocity of flow in the throat
Cd = coefficient of discharge

The velocity of flow in the throat (V2) can be calculated using the equation of discharge:

V2 = (2/3) * (g * H2)^(1/2)

Where:
g = acceleration due to gravity

Substituting the values in the equations, we can calculate the rate of flow in the channel (Q):

Q = A1 * V1

**Calculation:**

A1 = 5 * 2 = 10 m^2
A2 = 2 * 1 = 2 m^2

V2 = (2/3) * (9.81 * 1)^(1/2) ≈ 2.43 m/s

V1 = (2/10) * (2.43/0.95) ≈ 0.51 m/s

Q = 10 * 0.51 ≈ 5.1 m^3/s

**Answer:**

The rate of flow in the channel is approximately 5.1 m^3/s. Therefore, the correct option is 5.1 m^3/s.
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A veniturflume is constructed at a channel section of width 5m. The width at throat of venturi flume is 2m. Water flows at a depth of 2m in a channel and drops to 1 m at throat section. Consider the coefficient of discharge as 0.95. The rate of flow in channel is: 1, 22. 46/97.7^1/2 2. 40.37/ 97.7^1/2 3. 22. 46/82.4^1/2 4. 40.37 /82.4 ^1/2?
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A veniturflume is constructed at a channel section of width 5m. The width at throat of venturi flume is 2m. Water flows at a depth of 2m in a channel and drops to 1 m at throat section. Consider the coefficient of discharge as 0.95. The rate of flow in channel is: 1, 22. 46/97.7^1/2 2. 40.37/ 97.7^1/2 3. 22. 46/82.4^1/2 4. 40.37 /82.4 ^1/2? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about A veniturflume is constructed at a channel section of width 5m. The width at throat of venturi flume is 2m. Water flows at a depth of 2m in a channel and drops to 1 m at throat section. Consider the coefficient of discharge as 0.95. The rate of flow in channel is: 1, 22. 46/97.7^1/2 2. 40.37/ 97.7^1/2 3. 22. 46/82.4^1/2 4. 40.37 /82.4 ^1/2? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A veniturflume is constructed at a channel section of width 5m. The width at throat of venturi flume is 2m. Water flows at a depth of 2m in a channel and drops to 1 m at throat section. Consider the coefficient of discharge as 0.95. The rate of flow in channel is: 1, 22. 46/97.7^1/2 2. 40.37/ 97.7^1/2 3. 22. 46/82.4^1/2 4. 40.37 /82.4 ^1/2?.
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