# GATE Questions & Answers of precipitation

## What is the Weightage of precipitation in GATE Exam?

Total 4 Questions have been asked from precipitation topic of Hydrology subject in previous GATE papers. Average marks 2.00.

Rainfall depth over a watershed is monitored through six number of well distributed rain gauges. Gauged data are given below

 Rain Gauge Number 1 2 3 4 5 6 Rainfall Depth (mm) 470 465 435 525 480 510 Area of Thiessen Polygon ($\style{font-family:'Times New Roman'}\times$104 m2) 95 100 98 80 85 92

The Thiessen mean value (in mm, up to one decimal place) of the rainfall is ______

The total rainfall in a catchment of area 1000 km2 , during a 6 h storm, is 19 cm. The surface runoff due to this storm computed from triangular direct runoff hydrograph is $1\times10^8$m3 . The $\phi_{index}$ for this storm (in cm/h, up to one decimal place) is ______