Dams Analysis(Mechanics Of Materials ) Questions and Answers

Question 1. Expand MWL?
  1.    Minimum water level
  2.    Maximum water level
  3.    Meagre water level
  4.    Most wind level
Explanation:-
Answer: Option B. -> Maximum water level
Answer: (b).Maximum water level

Question 2. ______ is the difference of Level between full reservoir level and top of the dam.
  1.    Net free board
  2.    Gross free board
  3.    Design free board
  4.    Over free board
Explanation:-
Answer: Option B. -> Gross free board
Answer: (b).Gross free board

Question 3. Springs(closely coiled) are examples of _____________
  1.    stiffness
  2.    hardness
  3.    toughness
  4.    creep
Explanation:-
Answer: Option A. -> stiffness
Answer: (a).stiffness

Question 4. By keeping the phreatic line within the downstream toe, the ___________ can be avoided.
  1.    Piping
  2.    Gullying
  3.    Sloughing
  4.    Over topping
Explanation:-
Answer: Option C. -> Sloughing
Answer: (c).Sloughing

Question 5. Perennial canals are also known as ________
  1.    Inundation canal
  2.    Productive canal
  3.    Feeder canal
  4.    Permanent canal
Explanation:-
Answer: Option D. -> Permanent canal
Answer: (d).Permanent canal

Question 6. To ensure economy in dam sections, the ______ should be minimum.
  1.    Base width
  2.    Top width
  3.    Spillway length
  4.    Toe of the wall
Explanation:-
Answer: Option A. -> Base width
Answer: (a).Base width

Question 7. Determine the eccentricity of the dam section, if the base width of the dam be 6m. Take Z = 5.5m.
  1.    2.5
  2.    1.5
  3.    3.5
  4.    4.5
Explanation:-
Answer: Option A. -> 2.5
Answer: (a).2.5

Question 8. If the maximum stress is positive, then the nature of stress is ____
  1.    Tensile
  2.    Shearing
  3.    Compressive
  4.    Bending
Explanation:-
Answer: Option C. -> Compressive
Answer: (c).Compressive

Question 9. Calculate the minimum stress developed at the heel of the dam, if the self weight of the dam is 924 kN and the base with is 6 metres [Take e = 0.0945m].
  1.    145 kN/m²
  2.    139 kN/m²
  3.    167 kN/m²
  4.    183 kN/m²
Explanation:-
Answer: Option B. -> 139 kN/m²
Answer: (b).139 kN/m²

Question 10. Calculate the maximum stress at the base section is the self weight is 4400 kN. The top and bottom width of them are 3 and 8 m respectively. Take (e) = 2.97.
  1.    1658.15 kN/m²
  2.    1775.12 kN/m²
  3.    1897.45 kN/m²
  4.    2336.67 kN/m²
Explanation:-
Answer: Option B. -> 1775.12 kN/m²
Answer: (b).1775.12 kN/m²