Test: Streamflow Measurement - 1 - Civil Engineering (CE) MCQ

# Test: Streamflow Measurement - 1 - Civil Engineering (CE) MCQ

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## 10 Questions MCQ Test GATE Civil Engineering (CE) 2025 Mock Test Series - Test: Streamflow Measurement - 1

Test: Streamflow Measurement - 1 for Civil Engineering (CE) 2024 is part of GATE Civil Engineering (CE) 2025 Mock Test Series preparation. The Test: Streamflow Measurement - 1 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Streamflow Measurement - 1 MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Streamflow Measurement - 1 below.
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Test: Streamflow Measurement - 1 - Question 1

### The science and practice of water flow measurement is known as

Test: Streamflow Measurement - 1 - Question 2

### The following is not a direct stream flow determination technique:

Detailed Solution for Test: Streamflow Measurement - 1 - Question 2

Indirect methods are those methods which make use of relationship between the flow discharger and the depths at specified locations. Two types of these indirect method are flow measuring structures and slope area methods.

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Test: Streamflow Measurement - 1 - Question 3

### A stilling well is required when the stage measurement is made by employing a

Detailed Solution for Test: Streamflow Measurement - 1 - Question 3

The float-operated stage recorder is the most common type of automatic stage recorder in use. In this a float operating in a silting well is balanced by means of a counterweight over the pulley of a recorder, To protect the float from debris and to reduce the water surface wave effects on the recording, silting wells are provided in all float- type stage recorder installations.

Test: Streamflow Measurement - 1 - Question 4

In a triangular channel the top width and depth of flow were 2.0 m and 0.9 m respectively. Velocity measurements on the centre line at 18 cm and 72 cm below water surface indicated velocities of 0.60 m/s and 0.40 m/s respectively. The discharge in the channel (in m3/s) is

Detailed Solution for Test: Streamflow Measurement - 1 - Question 4

Discharge in the channel
= x area of channel Area of channel

Area of channel

Test: Streamflow Measurement - 1 - Question 5

In the moving-boat method of stream-flow measurement, the essential measurements are

Detailed Solution for Test: Streamflow Measurement - 1 - Question 5

The moving-boat technique measures the velocity over the width of a segment by suspending the current meter at a constant depth during the transverse of the boat across the stream.
The measured velocity and the additional information of the depth gives the discharge.
Thus, velocity of the river is determined by whether the current meter measures along or opposite of the stream and the velocity it measures.
The depth multiplied with velocity gives volume per unit width of water flown. The volume divided with time gives discharge flown.

Test: Streamflow Measurement - 1 - Question 6

Which of the following instruments in not connected with stream flow measurement?

Test: Streamflow Measurement - 1 - Question 7

The surface velocity at any vertical section of a stream is

Test: Streamflow Measurement - 1 - Question 8

If a gauging section is having shifting control due to backwater effects, then

Detailed Solution for Test: Streamflow Measurement - 1 - Question 8

Test: Streamflow Measurement - 1 - Question 9

The stage discharge relation in a river during the passage of a flood wave is measured. If QR = discharge at a stage when the water surface was rising and Q= discharge at the same stage when the water surface was falling, then

Test: Streamflow Measurement - 1 - Question 10

The dilution method of stream gauging is ideally suited for measuring discharges in

Detailed Solution for Test: Streamflow Measurement - 1 - Question 10

The dilution method has the major disadvantage that the discharge is estimated directly in an absolute way. It is a particularly attractive method for small turbulent streams, such as these in mountainous areas.

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