Q.1) For Irrigation purposes, the pH value of water should be –
A) Between 3 and 6
B) Between 6 and 8.5
C) Between 8.5 and 11
D) More than 11
Option(B)
Q.2) A useful soil moisture for plant growth is –
A) Capillary water
B) Gravitational water
C) Hygroscopic water
D) None of the above
Option(A)
Q.3) The water content at which plants can no-longer extract sufficient water from the soil for its growth is called –
A) Field capacity
B) Saturation capacity
C) Permanent Wilting Point
D) Available Moisture
Option(C)
Q.4) Consumptive use of water of a crop –
A) Is measured as the volume of water per unit area
B) Is measured as depth of water on irrigated area
C) May be supplied partly by precipitation and partly by irrigation
D) All of the above
Option(D)
Q.5) The total depth of water required by a crop during the entire period the crop is in the field, is known as –
A) Delta
B) Duty
C) Base Period
D) Crop Period
Option(A)
Q.6) The area in which crop is grown at a particular time or crop season, is called –
A) Gross Commanded Area
B) Culturable Commanded Area
C) Culturable Uncultivated Area
D) None of the above
Option(B)
Q.7) Where steep land is available, the method of irrigation adopted is –
A) Free flooding
B) Border flooding
C) Check flooding
D) Basin flooding
Option(A)
Q.8) The precipitation caused by lifting of warm moisture laden air masses due to topographic barriers is called –
A) Convective precipitation
B) Orographic precipitation
C) Cyclonic precipitation
D) None of the above
Option(B)
Q.9) The process of loosing water from the leaves of plants, is termed as –
A) Surface evaporation
B) Water surface evaporation
C) Transpiration
D) Precipitation
Option(C)
Q.10) A graph showing variations of discharge with time, at a particular point of stream is known as –
A) California method
B) Hazen’s method
C) Gumbel’s method
D) All of the above
Option(C)
Q.11) A canal aligned nearly parallel to the contours of a country, is known as –
A) Side slope canal
B) Contour canal
C) Water shed canal
D) Ridge canal
Option(B)
Q.12) The gap or margin of height, between F.S.L. and top of the bank is called –
A) Free board
B) Dowel
C) Inspection roadway
D) Berm
Option(A)
Q.13) Water logging is caused due to –
A) Inadequate drainage facilities
B) Over irrigation
C) Presence of impermeable strata
D) All of the above
Option(D)
Q.14) For preparing of an old but sound concrete lining, the lining preferred is –
A) Shotcrete lining
B) Precast concrete lining
C) Soil cement lining
D) Sodium carbonate lining
Option(A)
Q.15) The main cause of silting in channel is –
A) Non-regime section
B) Inadequate slope
C) Defective head regulator
D) All of the above
Option(D)
Q.16) A sudden fall of level of ground along the alignment of a canal joined by an inclined bed is called a –
A) Rapid fall
B) Cylinder fall
C) Sudden fall
D) Hydraulic jump
Option(A)
Q.17) The ratio of head recovered to the head put in an outlet, is called –
A) Proportionality
B) Flexibility
C) Sensitivity
D) Efficiency
Option(D)
Q.18) A weir fails due to –
A) Rupture of floor due to uplift
B) Rupture of floor due to suction caused by standing wave
C) Scour on upstream and downstream of the weir
D) All of the above
Option(D)
Q.19) A river training work is generally required when the river is –
A) Aggrading type
B) Degrading type
C) Meandering type
D) Stable type
Option(C)
Q.20) A deflecting groyne in a river is –
A) Inclined towards upstream
B) Perpendicular to bank
C) Inclined towards downstream
D) None of the above
Option(B)
