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MCQs

Total Questions : 153 | Page 15 of 16 pages
Question 141. What is the suggested economic buttress spacing for a mean dam height of greater than 45 m?
  1.    4.5
  2.    4.5 to 7.5
  3.    7.5 to 12
  4.    12 to 15
 Discuss Question
Answer: Option D. -> 12 to 15
Answer: (d).12 to 15
Question 142. What is suggested massiveness factor for simply supported RCC Decks?
  1.    2.5 to 3
  2.    3 to 4.5
  3.    4.5 to 7.5
  4.    7.5 to 12
 Discuss Question
Answer: Option A. -> 2.5 to 3
Answer: (a).2.5 to 3
Question 143. What is the suggested slenderness ratio for simply supported RCC decks?
  1.    4.5 to 7.5
  2.    7.5 to 12
  3.    12 to 15
  4.    15 to 18
 Discuss Question
Answer: Option C. -> 12 to 15
Answer: (c).12 to 15
Question 144. A bridge culvert is to be constructed across a proposed lined canal. The afflux at this site for a contracted canal width can be computed by __________
  1.    Unwin’s formula
  2.    Broad-crested weir formula
  3.    Orifice formula
  4.    Molesworth formula
 Discuss Question
Answer: Option D. -> Molesworth formula
Answer: (d).Molesworth formula
Question 145. While going to the Tirupati Tirumala Devasthanam from Madras, highway road is found to be lowered at several places over which natural drainage flow during the rainy season. Such dips in the roads are called ___________________
  1.    freeways
  2.    road dips
  3.    causeways
  4.    broadways
 Discuss Question
Answer: Option C. -> causeways
Answer: (c).causeways
Question 146. What is the value of the coefficient of discharge for the wide bridge opening with floors?
  1.    0.90
  2.    0.94
  3.    0.96
  4.    0.98
 Discuss Question
Answer: Option C. -> 0.96
Answer: (c).0.96
Question 147. Which of the following formula is valid when the downstream depth is more than 80% of the upstream depth?
  1.    Unwin’s formula
  2.    Broad-crested weir formula
  3.    Orifice formula
  4.    Molesworth formula
 Discuss Question
Answer: Option C. -> Orifice formula
Answer: (c).Orifice formula
Question 148. Calculate the economic length of one span for RCC Slab Bridge if the total height of abutment or pier from the bottom of its foundation to its top is 6m.
  1.    6 m
  2.    4 m
  3.    9 m
  4.    3 m
 Discuss Question
Answer: Option C. -> 9 m
Answer: (c).9 m
Question 149. Calculate the value of free-board that should be provided for a reservoir having a wind velocity of 92 km/h and it extends up to 18 km upstream.
  1.    1.2 m
  2.    1.6 m
  3.    2.25 m
  4.    2.5 m
 Discuss Question
Answer: Option C. -> 2.25 m
Answer: (c).2.25 m
Question 150. What is Von Karman’s formula for hydrodynamic force (Pₑ)?
  1.    Pₑ = 0.726 pₑ H
  2.    Pₑ = 0.424 pₑ H
  3.    Pₑ = 0.555 pₑ H
  4.    Pₑ = 0.555.Kₕ. Yw H²
 Discuss Question
Answer: Option D. -> Pₑ = 0.555.Kₕ. Yw H²
Answer: (d).Pₑ = 0.555.Kₕ. Yw H²

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