Lakshya Education MCQs

Question: If p₁ and p₂ are effective lateral loadings at the bottom and top exerted by a level earth subjected to a super-load on the vertical face of height h of a retaining wall, the horizontal pressure p per unit length of the wall, is
A.[(p₁ - p₂)/2] h
B.[(p₁ + p₂)/4] h
C.[(p₁ + p₂)/2] h
D.(p₁ - p₂) ⅔h
Answer: Option C

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More Questions on This Topic :

Question 1. The design of a retaining wall assumes that the retained earth
  1.    Is dry
  2.    Is free from moisture
  3.    Is not cohesive
  4.    All the above
Answer: Option D
Question 2. Steel beam theory is used for
  1.    Design of simple steel beams
  2.    Steel beams encased in concrete
  3.    Doubly reinforced beams ignoring compressive stress in concrete
  4.    Beams if shear exceeds 4 times allowable shear stress
Answer: Option C
Question 3. To ensure uniform pressure distribution, the thickness of the foundation, is
  1.    Kept uniform throughout
  2.    Increased gradually towards the edge
  3.    Decreased gradually towards the edge
  4.    Kept zero at the edge
Answer: Option C
Question 4. If depth of slab is 10 cm, width of web 30 cm, depth of web 50 cm, centre to centre distance of beams 3 m, effective span of beams 6 m, the effective flange width of the beam, is
  1.    200 cm
  2.    300 cm
  3.    150 cm
  4.    100 cm
Answer: Option C
Question 5. For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed
  1.    10
  2.    15
  3.    20
  4.    25
Answer: Option C
Question 6. Cantilever retaining walls can safely be used for a height not more than
  1.    3 m
  2.    4 m
  3.    5 m
  4.    6 m
Answer: Option D

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