Water Management — Test 2
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Question 1
A line shown on a contour map, set out on ground between certain constant points of slope is called___________________?
Question 2
Cultivation made on small plane steps because of more steepness of the area is called __________________?
Question 3
The law that states that the discharge of sub-soil water is directly proportional to the loss of head and the area of soil sample and inversely proportional to to the length of soil sample ___________________?
Question 4
The contour of equal water heads and pressure in the soil mass beneath retaining structure are called___________________?
Question 5
The minimum moisture content at which a water drop if placed on a smooth surface of soil will not be absorbed immediately by the soil is called __________________?
Question 6
The height from the top of the embankment to the normal water level in canal .Dam – Reservoir etc, which allows for small waves to splash without over flow is called___________________?
Question 7
A dam which is prevented from overturning by the action of lateral or vertical up thrust of water by its weight is called __________________?
Question 8
The formula used to calculate maximum flood discharge for a hilly () is_______________?
Question 9
A fluid is a substance that ____________________?
Question 10
Cavitation is caused by _____________________?