Question 3. Springs(closely coiled) are examples of _____________
stiffness
hardness
toughness
creep
Explanation:-
Answer: Option A. -> stiffness Answer: (a).stiffness
Question 4. By keeping the phreatic line within the downstream toe, the ___________ can be avoided.
Piping
Gullying
Sloughing
Over topping
Explanation:-
Answer: Option C. -> Sloughing Answer: (c).Sloughing
Question 5. Perennial canals are also known as ________
Inundation canal
Productive canal
Feeder canal
Permanent canal
Explanation:-
Answer: Option D. -> Permanent canal Answer: (d).Permanent canal
Question 6. To ensure economy in dam sections, the ______ should be minimum.
Base width
Top width
Spillway length
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.
2.5
1.5
3.5
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 ____
Tensile
Shearing
Compressive
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].
145 kN/m²
139 kN/m²
167 kN/m²
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.
1658.15 kN/m²
1775.12 kN/m²
1897.45 kN/m²
2336.67 kN/m²
Explanation:-
Answer: Option B. -> 1775.12 kN/m² Answer: (b).1775.12 kN/m²