Q.1) The Duty is largest –
A) At the head of water course
B) On the field
C) At the head of a main canal
D) Same at all places
Option (B)
Q.2) The water utilizable by plants is available in soils mainly in the form of –
A) Gravity water
B) Capillary water
C) Hydroscopic water
D) Chemical water
Option (B)
Q.3) The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth is called –
A) Effective rainfall
B) Consumptive use
C) Consumptive irrigation requirement
D) Net irrigation requirement
Option (C)
Q.4) Cyclonic precipitation is caused by lifting of an air mass due to –
A) Pressure difference
B) Temperature difference
C) Natural topographical barriers
D) All of the above
Option (A)
Q.5) Which of the following types of rain gauges is used for measuring rain in remote hilly inaccessible areas?
A) Tipping bucket type
B) Weighing type
C) Floating type
D) Simon’s raingauge
Option (A)
Q.6) A current meter is used to measure –
A) Velocity of water flow
B) Depth of water flow
C) Discharge
D) None of the above
Option (A)
Q.7) The unit hydrograph of a specified duration can be used to evaluate the hydrograph of storms of –
A) Same duration only
B) Same and shorter duration
C) Same and longer duration
D) Any duration
Option (D)
Q.8) An artesian aquifer is the one where –
A) Water surface under the ground is at atmospheric pressure
B) Water is under pressure between two impervious strata
C) Water table serves as upper surface of zone of saturation
D) None of the above
Option (B)
Q.9) The water stored in the reservoir below the minimum pool level is called –
A) Useful storage
B) Dead storage
C) Valley storage
D) Surcharge storage
Option (B)
Q.10) The maximum permissible eccentricity for no tension at the base of a gravity dam is –
A) B/2
B) B/3
C) B/4
D) B/6
Option (D)
Q.11) For wave action in dams, the maximum height of freeboard is generally taken equal to (hw = height of wave) –
A) 0.5 hw
B) 0.75 hw
C) 1.25 hw
D) 1.50 hw
Option (D)
Q.12) Seepage through foundation in an earthen dam is controlled by providing –
A) Rock toe
B) Horizontal blanket
C) Impervious cut off
D) Chimney drain
Option (C)
Q.13) In a Chute Spillway, the flow is usually –
A) Uniform
B) Subcritical
C) Critical
D) Super critical
Option (D)
Q.14) A Divide Wall is provided –
A) At right angle to the axis of weir
B) Parallel to the axis of weir and upstream of it
C) Parallel to the axis of weir and downstream of it
D) At an inclination to the axis of weir
Option (A)
Q.15) A canal which is aligned at right angles to the contour is called :
A) Contour canal
B) Watershed canal
C) Branch canal
D) Side slope canal
Option (D)
Q.16) Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain?
A) Canal fall
B) Canal outlet
C) Canal escape
D) Canal regulator
Option (C)
Q.17) The meander pattern of a river is developed by –
A) Average discharge
B) Dominant discharge
C) Maximum discharge
D) Critical discharge
Option (B)
Q.18) A land is known as waterlogged –
A) When the permanent wilting point is reached
B) When gravity drainage has ceased
C) Capillary fringe reaches the root zone of plants
D) None of the above
Option (C)
Q.19) The most suitable chemical which can be applied to the water surface for reducing evaporation is –
A) Methyl alcohol
B) Ethyl alcohol
C) Cetyl alcohol
D) Butyl alcohol
Option (C)
Q.20) The stream which does not have any base flow contribution is called –
A) Perennial stream
B) Intermittant stream
C) Ephimeral stream
D) None of the above
Option (C)
