Question:
The velocity of water in a stream or river can be measured by
The velocity of water in a stream or river can be measured by
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Current = Streamflow. Current Meter = Streamflow Meter.
Updated On: May 5, 2026
- Water meter
- Current meter
- Animo meter
- Volt meter
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The Correct Option is B
Solution and Explanation
Step 1: Concept
Flow velocity measurement is essential for determining the discharge ($Q = A \times V$) of a river or open channel.
Step 2: Meaning
The instrument must be able to convert the kinetic energy of flowing water into a measurable signal, typically rotations.
Step 3: Analysis
A current meter consists of a wheel with cups or vanes that rotates when submerged in moving water. An anemometer is for wind, and a water meter is for pipe flow.
Step 4: Conclusion
The current meter is the standard tool for measuring stream velocity.
Final Answer: (B)
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