Research Article
Effects of Geometrical Parameters in Gravitational Water Vortex Turbines with Conical Basin
Table 2
Accuracy of measuring instrument.
| Instrument | Least count | Error |
| Ruler | | | Vernier caliper | | | Digital balance | | | Tachometer | | or | Flowmeter | | 0.01ām/s or | V-notch | ā | |
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