Building Construction

51. For effective drainage, the finished surface of flat roof should have a minimum slope of

  1. 1 in 20
  2. 1 to 50
  3. 1 in 10
  4. 1 in 5

Correct answer: (A)
1 in 20

52. For heavy embankments and dams, of height h, the depth of exploration of soil should not be less than

  1. h/4
  2. 1/2 h
  3. h
  4. 2 h

Correct answer: (D)
2 h

53. For plastering the exposed brick walls, the cement sand mortar should be

  1. 1.2
  2. 1.3
  3. 1.4
  4. 1.6

Correct answer: (C)
1.4

54. For providing a raft foundation, the following activities are involved
1. Ramming the foundation bed
2. Excavation of the soil upto required depth
3. Laying the reinforcement over the foundation bed
4. Curing the cement concrete placed over reinforcement
5. Pouring the cement concrete over the reinforcement
The correct sequence is

  1. 1, 2, 3, 4, 5
  2. 5, 4, 3, 2, 1
  3. 2, 1, 3, 5, 4
  4. 3, 2, 5, 1, 4

Correct answer: (C)
2, 1, 3, 5, 4

55. For the construction of flyovers in sandy soils, the type of foundation provided, is

  1. Strap footing
  2. Raft footing
  3. Combined footing
  4. Pier footing

Correct answer: (D)
Pier footing

56. Gravels

  1. Are cohesionless aggregates
  2. Vary in size between 2 to 20 mm
  3. Never swell when they come into contact with water
  4. All the above

Correct answer: (D)
All the above

57. Grillage foundation

  1. Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity
  2. Is light and economical
  3. Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth
  4. All the above

Correct answer: (D)
All the above

58. Herringbone bond is used for

  1. Walls having thickness more than 4 bricks
  2. Architectural finish to the face work
  3. Ornamental panels in brick flooring
  4. All the above

Correct answer: (D)
All the above

59. Higher pitch of the roof
(i) Results in stronger roof
(ii) Results in weaker roof
(iii) Requires more covering material
(iv) Requires less covering material
The correct answer is

  1. (i) and (iii)
  2. (i) and (iv)
  3. (ii) and (iii)
  4. (ii) and (iv)

Correct answer: (A)
(i) and (iii)

60. If (φ) is the angle of repose of soil of weight w kg/m3, the horizontal pressure p at a depth of h metres per metre length of wall, is

  1. wh × [(1 - sin φ)/(1 + sin φ )]
  2. (wh/2) × [(1 - sin φ)/(1 + sin φ)]
  3. wh x √[(1- sin φ)/(1 + sin φ)]
  4. wh x √[(1 + sin φ)/(1 - + sin φ)]

Correct answer: (A)
wh × [(1 - sin φ)/(1 + sin φ )]

Previous
Page 6 of 28
Next
Copyright © EngineeringMCQ.com