Irrigation Engineering MCQ Questions & Answers

61

Which of the following can be used as a meter fall ?

A) vertical drop fall B) flumed glacis fall C) unflumed glacis fall D) all of the above

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Answer & Solution

Answer: Option A

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62

The value of Sodium Absorption Ratio for high sodium water lies between

A) 0 to 10 B) 10 to 18 C) 18 to 26 D) 26 to 34

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Answer & Solution

Answer: Option C

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63

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

A) Q = 1.71 $${\text{B}}{{\text{D}}^{\frac{1}{2}}}$$ B) Q = 1.71 BD C) Q = 1.71 $${\text{B}}{{\text{D}}^{\frac{3}{2}}}$$ D) Q = 1.71 $${\text{B}}{{\text{D}}^{\frac{2}{3}}}$$

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Answer & Solution

Answer: Option C

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64

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

A) T = kd B) $${\text{T}} = \frac{{\text{k}}}{{\text{d}}}$$ C) T = Vkd D) k = VTd

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Answer & Solution

Answer: Option A

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65

Borrow pits should preferably be located in

A) Field on the left side of the canal B) Field on the right side of the canal C) Fields on both sides of the canal D) Central half width of the section of the canal

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Answer & Solution

Answer: Option D

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66

Pick up the incorrect statement from the following. Culturable commanded area is the gross area of an irrigation canal system less

A) Populated area B) Alkaline area C) Forest area D) Fallow land

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Answer & Solution

Answer: Option D

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67

In gravity canals, F.S.L. is

A) Always at the ground level B) Always below the ground level C) Generally 4 to 5 meters above the ground level D) Only a few cm above the ground level

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Answer: Option D

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68

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

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Answer & Solution

Answer: Option A

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69

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

A) $${\text{D}} = \Delta \frac{{8.64{\text{D}}}}{{\text{B}}}$$ B) $${\text{B}} = \Delta \frac{{8.64{\text{B}}}}{{\text{D}}}$$ C) $${\text{D}} = \frac{{8.64\Delta }}{{\text{B}}}$$ D) $$\Delta = \frac{{8.64{\text{B}}}}{{\text{D}}}$$

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Answer & Solution

Answer: Option D

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70

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

A) proportionality B) flexibility C) setting D) sensitivity

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Answer & Solution

Answer: Option B

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Irrigation Engineering MCQ Questions & Answers | Civil Engineering