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Irrigation Engineering

Irrigation Engineering
Tortuosity of a meandering river is always

less than 1
equal to 1
less than or equal to 1
greater than 1

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Irrigation Engineering
According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase

Water surface elevation during floods
Surface slope of streams above the levied portion
Rate of flood wave
Maximum discharge

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Irrigation Engineering
The length and width of a meander and also the width of the river, vary roughly as

Square of the discharge
Cube of the discharge
Square root of the discharge
Discharge

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Irrigation Engineering
The uplift pressure on the face of a drainage gallery in a dam is taken as

average of hydrostatic pressure at toe and heel
None of these
hydrostatic pressure at toe
two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel

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Irrigation Engineering
To estimate the magnitude of a flood with a return period of T years, Gumbel’s distribution method requires the following data pertaining to annual flood series
i) mean value
ii) standard deviation
iii) length of record
iv) coefficient of skew
The correct answer is

(i),(ii) and (iii)
(i) and (ii)
(i), (ii), (iii) and (iv)
(i), (ii) and (iv)

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Irrigation Engineering
Interception losses are due to
i) evaporation
ii) transpiration
iii) stream flow
The correct answer is

(i)and(ii)
(ii) and (iii)
(i), (ii) and (iii)
only (i)

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