1. Floats are used to measure
[A] Discharge of stream
[B] Velocity of stream
[C] Flood discharge
[D] Afflux
Answer: Option B
2. Under the same conditions, which of the following shapes of water surface will give the highest rate of evaporation?
[A] flat water surface
[B] convex water surface
[C] concave water surface
[D] evaporation is independent of shape of water surface
Answer: Option B
3. The precipitation which is caused by lifting of an air mass due to pressure difference is called
[A] Natural Precipitation
[B] Organic Precipitation
[C] Convective Precipitation
[D] Cyclonic Precipitation
Answer: Option D
4. Calibration of a current meter for use in channel flow measurement is done in a ____.
[A] wind tunnel
[B] water tunnel
[C] towing tank
[D] flume
Answer: Option C
5. The method used for estimating missing rainfall is ____.
[A] Normal ratio method
[B] Station year method
[C] Plotting position method
[D] Rational method
Answer: Option A