Question

A runoff river plant for hydropower generation is essentially a ________________________

(a) high head scheme

(b) medium head scheme

(c) low head scheme

(d) any of the schemes

I have been asked this question in final exam.

This key question is from Thermal and Hydropower topic in division Hydro Electric Power of Irrigation Engineering

Answer 1

Right answer is (c) low head scheme

To explain I would say: Run-off river plant is essentially a low head scheme. The plant installed on main rivers or on diversion canals is usually provided with small storage to meet the short term fluctuations of the water requirement of the plant.