Q.1
Find the group index of the soil having the following details using the graphical method.
  • a) 6
  • b) 7
  • c) 5
  • d) 8
Q.2
Find the thickness of pavement if the triaxial test is conducted on a sample and the data obtained are:
  • a) 79.84 cm
  • b) 82.84 cm
  • c) 80.84 cm
  • d) 81.84 cm
Q.3
The parameters a, b, c and d for the group index computation are obtained asandrespectively. The CVPD is found to beFind the thickness of the surface and base of the pavement for the above details.
  • a) 29 cm
  • b) 39 cm
  • c) 30 cm
  • d) 20 cm
Q.4
What would be the thickness of pavement layers for a soil subjected to the triaxial test with the following data?
  • a) 44.52 cm base course
  • b) 55.74 cm base course
  • c) 51.52 cm base course
  • d) 42.04 cm base course
Q.5
A higher value of the group index indicates a strong subgrade.
  • a) True
  • b) False
Q.6
The triaxial method is based on which equation?
  • a) Boussinesq’s stress
  • b) Boussinesq’s displacement
  • c) Burmister’s stress
  • d) Burmister’s displacement
Q.7
What indicates that the traffic is light traffic in case of group index design chart?
  • a) CVPD < 20
  • b) CVPD < 50
  • c) AADT < 20
  • d) AADT < 50
Q.8
In the triaxial method, the equation for the thickness of the pavement can be obtained by bringing ______ term to one side.
  • a) p
  • b) z
  • c) a
  • d) E
Q.9
Find the group index of the soil having the following details:
  • a) 5
  • b) 1
  • c) 0
  • d) 2
Q.10
The GI value can be calculated using group index charts.
  • a) True
  • b) False
Q.11
What is the lateral pressure applied to the soil in the triaxial test?
  • a) 1.4 kg/mm2
  • b) 1.4 kg/cm3
  • c) 1.4 kg/cm2
  • d) 1.4 kg/mm3
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