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This is an MCQ-based quiz on Irrigation Engineering.
This includes Drains, Inundation canals, Valley canals, and Contour canals.
If straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the area of its cross-section, is
If H and d are the water depth and drop in the bed level at a Sarda fall, the width B of the trapezoidal crest, is given by
Canals taken off from ice-fed perennial rivers, are known
Which of the following type of irrigation methods uses artificial rain to irrigate the land?
Which of the following type of irrigation method can be used for both flat lands and relatively steep lands?
Which of the following is the quality of a good irrigation method?
Which of the following type of method is adopted for research studies on crops?
What is the field irrigation requirement (FIR)?
Which of the following strainer is used for shallow irrigation tube wells particularly in deltaic regions of developing countries?
Which of the following is a dam reservoir catering to flood control, irrigation, and water supply basically designed for irrigation alone?
According to the Central Board of Irrigation and Power, the PA ratio for graded aquifer should be _______________
An irrigation project is classified as a major project when the CCA involved in the project is more than ___________
To determine the discharge at a section in a stream from its rating curve, the required data are
i) slope of water surface at the section
ii) stage at the section
iii) current meter readings at the section
The correct answer is
(i) and (ii)
(ii) and (iii)
only (ii)
only (iii)
Variability of rainfall is
i) largest in regions of high rainfall
ii) largest in coastal areas
iii) largest in regions of scanty rainfall
The correct answer is
Only (i)
(i) and (ii)
Only (iii)
(ii) and (iii)
The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir conditions, are
i) Water pressure
ii) Self-weight
iii) Uplift
iv) Pressure due to earthquake
The correct answer is
Only (ii)
(i), (ii) and (iii)
(i), (ii) and (iv)
(i), (ii), (iii) and (iv)
Interception losses are due to
i) evaporation
ii) transpiration
iii) stream flow
The correct answer is
Only (i)
(i)and(ii)
(ii) and (iii)
(i), (ii) and (iii)
Lacey’s equation for calculating flood discharge in rivers, is
V = 10.8 R1/2 S1/2
V = 10.8 R2/3 S1/2
V = 10.8 R2/3 S1/3
V = 10.8 R1/3 S2/3
Which of the following types of falls use parabolic glacis for energy dissipation ?
Vertical drop fall
Glacis fall
Montague type fall
Inglis fall
Lining of irrigation channels
Increases the waterlogging area
Decreases the waterlogging area
Does not change the water logging area
None of the above
Which of the following is the incorrect statement?
i. Cattle crossings also provide safety to cattle that are swept away by currents besides their usual function of helping the cattle to cross the canal.
ii. A canal escape helps in supplying irrigation water to the downstream watercourses.
iii. Bed bars are constructed in canals at the toe of the canal lining to prevent slippage of the lining.
ii and iii
ii only
i only
i, ii, and iii
