1000+ Irrigation Engineering Multiple Choice Questions and Answers - 2

Question: 6

An artesian aquifer is the one where

(A) Water is under pressure between two impervious strata

(B) Water table serves as upper surface of zone of saturation

(C) Water surface under the ground is at atmospheric pressure

(D) None of the above

Question: 7

Unit of runoff in M.K.S. system is

(A) cubic metre

(B) cubic metre/sec

(C) square metre

(D) metre/sec

Question: 8

The infertility of the soil in waterlogged area is due to

(A) increase in salinity

(B) growth of weeds

(C) death of bacteria causing nitrification

(D) all of the above

Question: 9

When Sodium Absorption Ratio (SAR) is 30, it is called

(A) Very high sodium water

(B) Low sodium water

(C) Medium sodium water

(D) High sodium water

Question: 10

Assumed value of saturation gradient (H : V) in clay is

(A) 1 : 2

(B) 1 : 3

(C) 1 : 4

(D) 1 : 8