Irrigation Engineering — Part 2 MCQs with Explanations

$$\frac{{5{{\text{V}}^2}}}{{2{\text{R}}}}$$ is the correct answer to “V and R are the regime mean velocity and hydraulic mean depth respectively in meters. Lacey's silt factor f is”. This question is standard in competitive examination syllabi for Irrigation Engineering.

Next curve of the same order is the correct answer to “The length of a meander is the distance along the river between the tangent point of one curve to the tangent point of”. This question is standard in competitive examination syllabi for Irrigation Engineering.

planned and constructed to serve various purposes is the correct answer to “A multipurpose reservoir is the one which is”. This question is standard in competitive examination syllabi for Irrigation Engineering.

At right angle to the axis of weir is the correct answer to “A divide wall is provided”. This question is standard in competitive examination syllabi for Irrigation Engineering.

All the above is the correct answer to “The consumptive use of water for a crop”. This question is standard in competitive examination syllabi for Irrigation Engineering.

Both (A) and (B) is the correct answer to “The ratio of the average load to the installed capacity of the plant whose reserve capacity is zero will be equal to”. This question is standard in competitive examination syllabi for Irrigation Engineering.

Difference between filed capacity and permanent wilting point within the root zone of plants is the correct answer to “The useful moisture of soil, is equal to its”. This question is standard in competitive examination syllabi for Irrigation Engineering.

Drain is running with H.F.L. is the correct answer to “The uplift pressure on the roof of an inverted syphon, is maximum when”. This question is standard in competitive examination syllabi for Irrigation Engineering.

One men stone pitching is the correct answer to “The water face of the guide banks, is protected by”. This question is standard in competitive examination syllabi for Irrigation Engineering.

Square root of the discharge is the correct answer to “The length and width of a meander and also the width of the river, vary roughly as”. This question is standard in competitive examination syllabi for Irrigation Engineering.

38m is the correct answer to “Wetted perimeter of a regime channel for a discharge of 64 cumecs as per Lacey’s theory will be”. This question is standard in competitive examination syllabi for Irrigation Engineering.

A horizontal benching provided on the outside slope is the correct answer to “A counter berm is”. This question is standard in competitive examination syllabi for Irrigation Engineering.

two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel is the correct answer to “The uplift pressure on the face of a drainage gallery in a dam is taken as”. This question is standard in competitive examination syllabi for Irrigation Engineering.

has more discharge than a shallow well is the correct answer to “A deep well”. This question is standard in competitive examination syllabi for Irrigation Engineering.

Both (A) and (B) is the correct answer to “The most suitable section of a lined canal, is”. This question is standard in competitive examination syllabi for Irrigation Engineering.

canal escape is the correct answer to “Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain”. This question is standard in competitive examination syllabi for Irrigation Engineering.

zero is the correct answer to “The sensitivity of a rigid module is”. This question is standard in competitive examination syllabi for Irrigation Engineering.

Canal passes over the drainage and H.F.L. of the drainage is above the bottom of the canal trough is the correct answer to “In a syphon aqueduct”. This question is standard in competitive examination syllabi for Irrigation Engineering.

$$\frac{{{\text{N}} + 1}}{{\text{m}}}$$ is the correct answer to “For an annual flood series arranged in descending order of magnitude, the return for a magnitude listed at position period m in a total data N is”. This question is standard in competitive examination syllabi for Irrigation Engineering.

30 cm is the correct answer to “The width of a dowla is generally kept between 30 to 60 cm and its height above the road level should invariably be more than”. This question is standard in competitive examination syllabi for Irrigation Engineering.

1.084 is the correct answer to “The ratio of the discharge over a trapezoidal crest to a rectangular crest of Sarda falls of identical parameters, is”. This question is standard in competitive examination syllabi for Irrigation Engineering.

Ground slope exceeds the designed bed slope is the correct answer to “A fall in a canal bed is generally provided, if”. This question is standard in competitive examination syllabi for Irrigation Engineering.

require less skilled labour is the correct answer to “As compared to gravity dams, earthen dams”. This question is standard in competitive examination syllabi for Irrigation Engineering.

To watch the general behavior of canal is the correct answer to “Bed bars in a canal are provided”. This question is standard in competitive examination syllabi for Irrigation Engineering.

soil moisture deficiency is the correct answer to “The depth of water required to bring the soil moisture content of a given soil upto its field capacity is called”. This question is standard in competitive examination syllabi for Irrigation Engineering.

vertical drop fall is the correct answer to “Which of the following can be used as a meter fall”. This question is standard in competitive examination syllabi for Irrigation Engineering.

18 to 26 is the correct answer to “The value of Sodium Absorption Ratio for high sodium water lies between”. This question is standard in competitive examination syllabi for Irrigation Engineering.

Q = 1.71 $${\text{B}}{{\text{D}}^{\frac{3}{2}}}$$ is the correct answer to “If D is the depth of water upstream of the throat above its sill, B is the width of the throat, to achieve critical flow in an open venturi flume, the theoretical maximum flow Q, is”. This question is standard in competitive examination syllabi for Irrigation Engineering.

T = kd is the correct answer to “If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by”. This question is standard in competitive examination syllabi for Irrigation Engineering.

Central half width of the section of the canal is the correct answer to “Borrow pits should preferably be located in”. This question is standard in competitive examination syllabi for Irrigation Engineering.

Fallow land is the correct answer to “Pick up the incorrect statement from the following. Culturable commanded area is the gross area of an irrigation canal system less”. This question is standard in competitive examination syllabi for Irrigation Engineering.

Only a few cm above the ground level is the correct answer to “In gravity canals, F.S.L. is”. This question is standard in competitive examination syllabi for Irrigation Engineering.

tipping bucket type is the correct answer to “Which of the following types of rain gauges is used for measuring rain in remote hilly inaccessible areas”. This question is standard in competitive examination syllabi for Irrigation Engineering.

$$\Delta = \frac{{8.64{\text{B}}}}{{\text{D}}}$$ is the correct answer to “If $$\Delta $$ is the depth of water in metres, B is the number of days of base period and D is the duty in hectare/cumec, the relationship which holds good, is”. This question is standard in competitive examination syllabi for Irrigation Engineering.

flexibility is the correct answer to “The ratio of rate of change of the discharge of an outlet to the rate of change of the discharge of distributing channel is called”. This question is standard in competitive examination syllabi for Irrigation Engineering.

only (ii) is the correct answer to “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”. This question is standard in competitive examination syllabi for Irrigation Engineering.

only (iii) is the correct answer to “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”. This question is standard in competitive examination syllabi for Irrigation Engineering.

Only (i) is the correct answer to “Interception losses are due to i) evaporation ii) transpiration iii) stream flow The correct answer is”. This question is standard in competitive examination syllabi for Irrigation Engineering.

Only (ii) is the correct answer to “The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, are i) Water pressure ii) Self weight iii) Uplift iv) Pressure due to earthquake The correct answer is”. This question is standard in competitive examination syllabi for Irrigation Engineering.

R2 (θ + cot θ) is the correct answer to “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”. This question is standard in competitive examination syllabi for Irrigation Engineering.