## Marks 1

A 1-hour rainfall of 10 cm has a return period of 50 years. The probability that
1 hour of rainfall 10 cm or more will occur in each of two successive...

An isohyet is a line joining points of

The return period for the annual maximum flood of a given magnitude is 8 years. The probability that this flood magnitude will be executed once during...

Hyetograph is a graph representing

A tropical cyclone in a northern hemisphere is a wind stream with

## Marks 2

A catchment is idealized as a 25 km × 25 km square. It has five rain gauges, one at each
corner and one at the center, as shown in the figure.
During...

In a catchment, there are four rain-gauge stations, P, Q, R, and S. Normal annual precipitation
values at these stations are 780 mm, 850 mm, 920 mm, a...