96) rainfall excess (i.e. rainfall minus infiltration) rates over specified areas during successive unit time intervals during a storm is known as

• (a) hydrograph
• (b) unit hydrograph
• (c) hyetograph
• (d) none of these

97) A hydrograph representing one cm of run off from a rainfall of some unit duration and specific area distribution is known as

• (a) hyetograph
• (b) flood hydrograph
• (c) unit hydrograph
• (d) S-hydrograph

98) Run-off is measured in

• (a) m3/s
• (b) m3/min
• (c) m3/h
• (d) none of these

99) Flood frequency denotes the likelyhood of flood being equalled or exceeded.

• (a) Yes
• (b) No

100) A canal aligned nearly parallel to the contours of a country, is known as

• (a) side slope canal
• (b) contour canal
• (c) water shed canal
• (d) ridge canal