The most important sources of Instrument error in the flume are:

Question

Answer

Steady flow rate, constant width and channel cross-section shape, flume slope equal to the slope set.

Answer

The flow velocity equal to a constant velocity, the slope equal to the critical slope set, the observational error of measurement of depth.

Answer

Human error reading values, a steady flow rate, a constant width.

Answer

The steady flow rate, water temperature and viscosity, observation error and the accurate reading of the depths.

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