Study the following statements.i) Levees are constructed parallel to river flow,ii) Spurs are constructed parallel to river flow,iii) Levees are constructed transverse to river flow,iv) Spurs are constructed transverse to river flow.The correct answer is
A). (i) and (ii)
B). (i) and (iv)
C). (ii) and (iii)
D). (iii) and (iv)
1. Attracting groynes are built
3. In India, which of the following is adopted as standard recording rain-gauge?
5. The ratio of the head recovered to the head put in, is known as
6. The main cause of silting up a channel,
7. A river training work is generally required when the river is
8. Pick up the correct sequence of the part of a canal system from the following