Design of Overlay MCQ

Test your knowledge with important Design of Overlay MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Design of Overlay MCQs on Bissoy. Bissoy App

• If the design traffic is 20 msa and a characteristic deflection of 4.5 mm, what would be the thickness of bituminous macadam overlay if WBM binder course is to be laid?
  ক

  50 mm

  খ

  100 mm

  গ

  200 mm

  ঘ

  400 mm
• What is the recommended thickness of bituminous concrete surface course in the overlay design?
  ক

  Minimum 50 mm

  খ

  Maximum 50 mm

  গ

  Minimum 40 mm

  ঘ

  Maximum 40 mm
• The overlay can be directly laid over the existing surface after cleaning.
  ক

  True

  খ

  False
• If the design traffic is 15 msa and a characteristic deflection of 3 mm, compute the thickness of overlay if DBM binder course and bituminous concrete (BC) surface course is to be adopted. What would be the thickness of the BC surface course?
  ক

  151 mm

  খ

  51 mm

  গ

  150 mm

  ঘ

  50 mm
• The thickness of the overlay obtained from design chart is in terms of bituminous macadam construction. What is the conversion if thickness in terms of DBM is required?
  ক

  1 cm BM = 0.7 mm DBM

  খ

  1 cm BM = 1.5 mm DBM

  গ

  1 cm BM = 0.7 cm DBM

  ঘ

  1 cm BM = 1.5 cm DBM
• The design curves relating ______ with the characteristic deflection obtained from BBD studies in the code is used for overlay thickness determination.
  ক

  Resilient modulus of the surface

  খ

  CSA over the design period

  গ

  Thickness of existing pavement

  ঘ

  Pavement condition index
• The design of overlay can be done using the Benkelman beam deflection studies result.
  ক

  True

  খ

  False
• What is the conversion factor for the subgrade in the effective thickness overlay design method?
  ক

  1

  খ

  0

  গ

  0.1

  ঘ

  1.1
• How many types of overlays are possible to provide on existing pavements?
  ক

  Two types of asphalt overlays and single coat of cc overlay

  খ

  Two types of cc overlays and single coat of asphalt overlay

  গ

  Two types of asphalt overlays and two types of cc overlays

  ঘ

  Single coat of asphalt overlay and single coat of cc overlay
• The first step in designing an overlay is estimating the strength of the existing pavement. What step is to be performed after this?
  ক

  Determining overlay thickness

  খ

  Determining overlay design life

  গ

  Estimation of traffic on an overlay

  ঘ

  Determining overlay type