Measurement of Water — Chapter Summary
Maharashtra Board · Class 10 · Water Security
Summary of Measurement of Water for Maharashtra Board Class 10 Water Security. Part of the Maharashtra Board Class 10 Water Security syllabus.
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Overview
Notice that water must be measured in different forms: rain, evaporation, flowing water, stored water, and seepage. Accurate measurement helps in water conservation and planning. Count the main tools carefully: rain gauge for rainfall, evaporator for evaporation, V-notch for flowing water, and Zirpa
Key Concepts
A rain gauge is used
A rain gauge is used to measure rainfall. It has a cylindrical flat-bottom measuring cylinder with a funnel top. The funnel mouth is 127 mm wide, the
An evaporator measures evaporation
An evaporator measures evaporation. It is a shallow rounded iron vessel with a diameter of 1.2 m and a depth of 30 cm. It is painted white on both sid
Flowing water is measured using instruments
Flowing water is measured using instruments such as orifices, meter gates, wears, flumes, and V-Notch. The V-notch is a wooden or iron plank with a V-
Zirpa is used to measure seepage
Zirpa is used to measure seepage or water absorption capacity of land. A round iron ring of 30 cm diameter and 30 cm height is placed 15 cm into the g
Stored water is measured by stationary
Stored water is measured by stationary measurement method. Flowing water is measured by flow measurement method. Stationary measurement uses units lik
Learning Objectives
- Understand why water measurement is important for conservation and planning
- Identify the main instruments and methods used to measure rain, evaporation, flow, and seepage
- Distinguish between stationary water measurement and flow measurement
- Learn the units used for stored water and flowing water
- Apply the conversion facts for TMC, Cumec, and Cusec
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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