1000+ Irrigation Engineering Multiple Choice Questions and Answers - 1

Question: 1

In a channel bed made of fine sand, when the velocity is gradually increased the sequence of bed formation is

(A) Flat surface dunes – saw tooth ripples – antidunes

(B) Flat surface – dunes – antidunes saw tooth ripples

(C) Saw tooth ripples – flat surface – antidunes – dunes

(D) Saw tooth ripples – dunes – flat surface – antidunes

Ans: D

Saw tooth ripples – dunes – flat surface – antidunes

Question: 2

If cement concrete lining is provided to canal, maximum permissible velocity is

(A) 2 to 2.5 m/sec

(B) 3.0 to 3.5 m/sec

(C) 4.0 to 5.0 m/sec

(D) 4.5 to 5.5 m/sec

Ans: C

4.0 to 5.0 m/sec

Question: 3

The unit hydrograph of a specified duration can be used to evaluate the hydrograph of storms of

(A) same and longer duration

(B) same duration only

(C) same and shorter duration

(D) any duration

Ans: D

any duration

Question: 4

The elementary profile of a dam is

(A) a right angled triangle

(B) an equilibrium triangle

(C) a trapezoidal

(D) a rectangle

Ans; A

a right angled triangle

Question: 5

A water shed canal

(A) irrigates only one in one side

(B) is most suitable in hilly areas

(C) is generally aligned parallel to the contours of the area

(D) avoids the cross drainage works

Ans: D

avoids the cross drainage works

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