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MCQs

Total Questions : 81 | Page 6 of 9 pages
Question 51. The base course in rigid pavement provides drainage.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 52. Which of the following is a classification of pavements?
  1.    Load pavement
  2.    Sub-grade pavement
  3.    Flexible pavement
  4.    Rigidity pavement
 Discuss Question
Answer: Option C. -> Flexible pavement
Answer: (c).Flexible pavement
Question 53. Pavements are classified, based on ________ factors.
  1.    Earth surface
  2.    Materials used
  3.    Rigidity of the pavement
  4.    Distributing loads
 Discuss Question
Answer: Option C. -> Rigidity of the pavement
Answer: (c).Rigidity of the pavement
Question 54. The thickness design of the flexible pavement is influenced by _________
  1.    Distributing load
  2.    Strength of sub-grade
  3.    Sub-base
  4.    Soil properties
 Discuss Question
Answer: Option B. -> Strength of sub-grade
Answer: (b).Strength of sub-grade
Question 55. The essential difference between rigid flexible pavements is ___________
  1.    Distribution of load over sub-grade
  2.    Distribution of load over sub-base
  3.    Materials used
  4.    Thickness of layers
 Discuss Question
Answer: Option A. -> Distribution of load over sub-grade
Answer: (a).Distribution of load over sub-grade
Question 56. Rigid pavement are commonly made of ________
  1.    Bitumen
  2.    Portland cement concrete
  3.    Dry-lean concrete
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Portland cement concrete
Answer: (b).Portland cement concrete
Question 57. If the load is at the surface of subgrade, the elastic strain is ________
  1.    \(∆=\frac{pa}{E} 1.5\)
  2.    \(∆=\frac{3pa^2}{2E} 2.5\)
  3.    \(∆=\frac{a^2}{2E} 3\)
  4.    \(∆=\frac{pa^2}{2E} 3.5\)
 Discuss Question
Answer: Option A. -> \(∆=\frac{pa}{E} 1.5\)
Answer: (a).\(∆=\frac{pa}{E} 1.5\)
Question 58. The Burmister’s influence coefficient is ________
  1.    \(C_B=\frac{σ_z}{p} \)
  2.    CB=σz-p
  3.    CB=σz*p
  4.    CB=σz+p
 Discuss Question
Answer: Option A. -> \(C_B=\frac{σ_z}{p} \)
Answer: (a).\(C_B=\frac{σ_z}{p} \)
Question 59. In Burmister analysis, the subgrade layers are non-homogeneous and anisotropic.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 60. If F is a dimensionless factor, the defection in rigid plate of radius a is__________
  1.    \(∆=\frac{pa}{E} 1.5F\)
  2.    \(∆=\frac{pa}{E} 1.18F\)
  3.    \(∆=\frac{a^2}{2E} 1.18F\)
  4.    \(∆=\frac{pa}{E} 2F\)
 Discuss Question
Answer: Option A. -> \(∆=\frac{pa}{E} 1.5F\)
Answer: (a).\(∆=\frac{pa}{E} 1.5F\)

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