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MCQs

Total Questions : 88 | Page 4 of 9 pages
Question 31. The side slope of approach channel of chute spillway is ___________________
  1.    1:1
  2.    1:1.5
  3.    1:3
  4.    1:2.5
 Discuss Question
Answer: Option A. -> 1:1
Answer: (a).1:1
Question 32. The famous Bhakra dam of India is provided with ________________
  1.    trough spillway
  2.    ogee spillway
  3.    shaft spillway
  4.    siphon spillway
 Discuss Question
Answer: Option A. -> trough spillway
Answer: (a).trough spillway
Question 33. The surplus reservoir water after spilling over the crest of the spillway flows on the chute is __________________
  1.    parallel to the crest in a trough spillway
  2.    parallel to the crest in a side-channel spillway
  3.    perpendicular to the crest in a side-channel spillway
  4.    obliquely to the crest in a chute spillway
 Discuss Question
Answer: Option B. -> parallel to the crest in a side-channel spillway
Answer: (b).parallel to the crest in a side-channel spillway
Question 34. The spillway which may sometimes be called as a waste weir is ______________________
  1.    an ogee spillway
  2.    a trough spillway
  3.    a shaft spillway
  4.    a siphon spillway
 Discuss Question
Answer: Option B. -> a trough spillway
Answer: (b).a trough spillway
Question 35. The portion of a chute spillway which is known as its control structure is ________________
  1.    low ogee weir
  2.    chute channel
  3.    approach channel leading the water from the reservoir to the ogee weir
  4.    silting basin at its bottom
 Discuss Question
Answer: Option A. -> low ogee weir
Answer: (a).low ogee weir
Question 36. The type of spillway which is provided on narrow valleys where no side flanks are available is ____________________
  1.    ogee spillway
  2.    chute spillway
  3.    side-channel spillway
  4.    straight drop spillway
 Discuss Question
Answer: Option C. -> side-channel spillway
Answer: (c).side-channel spillway
Question 37. Which of the following curve is provided when the slope of the chute changes from milder to steeper?
  1.    Concave vertical curve
  2.    Hyperbolic curve
  3.    Convex vertical curve
  4.    Straight plan
 Discuss Question
Answer: Option C. -> Convex vertical curve
Answer: (c).Convex vertical curve
Question 38. Calculate the freeboard for the top levels of the side walls if the mean velocity of water in the chute reach is 3.5 m/s and the mean depth of water in the chute reach under consideration is 4.7 m.
  1.    0.60 m
  2.    1 m
  3.    0.85 m
  4.    0.55 m
 Discuss Question
Answer: Option C. -> 0.85 m
Answer: (c).0.85 m
Question 39. The safety valve of a dam is its __________________
  1.    drainage gallery
  2.    inspection gallery
  3.    spillway
  4.    outlet sluices
 Discuss Question
Answer: Option C. -> spillway
Answer: (c).spillway
Question 40. The spillway can be best built independently of the dam when there is _________________________
  1.    deep narrow gorge with steep slopes
  2.    deep narrow gorge with gradual slopes
  3.    wide gorge with a gradual slope
  4.    wide valley with moderate slopes
 Discuss Question
Answer: Option A. -> deep narrow gorge with steep slopes
Answer: (a).deep narrow gorge with steep slopes

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