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MCQs

Total Questions : 152 | Page 3 of 16 pages
Question 21. According to Kennedy the silting action in channels is due to?
  1.    Generation of Eddies
  2.    Slope of the Bed
  3.    Area of Channel
  4.    Type of Flow in the Channel
 Discuss Question
Answer: Option A. -> Generation of Eddies
Answer: (a).Generation of Eddies
Question 22. Given to design the irrigation channel to carry 80 cumecs of discharge. The channel slope is 1 in 3000. The critical velocity ratio is 1.3. Take rugosity coefficient as 0.021.
  1.    Depth = 3 m, Base width = 15 m
  2.    Depth = 3.5 m, Base width = 15.5 m
  3.    Depth = 3.3 m, Base width = 15.2 m
  4.    Depth = 3.2 m, Base width = 15.1 m
 Discuss Question
Answer: Option D. -> Depth = 3.2 m, Base width = 15.1 m
Answer: (d).Depth = 3.2 m, Base width = 15.1 m
Question 23. What vital factor is not considered in regime theories during the design of regime channels?
  1.    Velocity of Flow in the Channel
  2.    Type of Flow in the Channel
  3.    Quantity of Sediment Entering a channel
  4.    Area in which the Channel flows
 Discuss Question
Answer: Option C. -> Quantity of Sediment Entering a channel
Answer: (c).Quantity of Sediment Entering a channel
Question 24. Based on his research what factor is given by Kennedy for free silting and scouring actions in a channel?
  1.    Critical Velocity (V₀)
  2.    Bed Slope of Channel
  3.    Hydraulic Mean Depth
  4.    Rugosity Coefficient
 Discuss Question
Answer: Option A. -> Critical Velocity (V₀)
Answer: (a).Critical Velocity (V₀)
Question 25. Design a regime channel for a discharge of 90 cumecs and silt factor is 1.3 use Lacey’s Theory.
  1.    Depth = 2.2 m, Base width = 40.5 m, Slope = 1/4670
  2.    Depth = 2.12 m, Base width = 40.42 m, Slope = 1/4675
  3.    Depth = 2.135 m, Base width = 40.3 m, Slope = 1/4676
  4.    Depth = 2.123 m, Base width = 40.1 m, Slope = 1/4672
 Discuss Question
Answer: Option C. -> Depth = 2.135 m, Base width = 40.3 m, Slope = 1/4676
Answer: (c).Depth = 2.135 m, Base width = 40.3 m, Slope = 1/4676
Question 26. The Remodelling of canal system is done to __________
  1.    beautify the canal surroundings
  2.    correct deformations in the canal
  3.    exhibit the canal in exhibition
  4.    widen up the channel section
 Discuss Question
Answer: Option B. -> correct deformations in the canal
Answer: (b).correct deformations in the canal
Question 27. On which factor does the pricing of irrigation water is done on a flat rate?
  1.    Type of Crops Sown
  2.    Amount of Irrigation Water Used
  3.    For the Whole Field Sown
  4.    Per Hectare
 Discuss Question
Answer: Option D. -> Per Hectare
Answer: (d).Per Hectare
Question 28. On how many factors does the specified rates in the crop rate system of pricing depends?
  1.    4
  2.    3
  3.    2
  4.    1
 Discuss Question
Answer: Option C. -> 2
Answer: (c).2
Question 29. Groundnut is a cash crop but whereas wheat is a food crop.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 30. Crop rate system of pricing does not help the cultivators for economizing the use of water.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True

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