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The selection of design curve in Wyoming method of flexible pavement design, is based ?
All of these
All of these
See lessFor transportation purposes in India, the first preference is given ?
Roads
Roads
See lessWhen the bearing capacity of soil is poor and the intensity of traffic is high, an additional layer provided between the soling and sub-grade. This additional layer is called ?
Sub-base
Sub-base
See lessThe opportunities to cross slow moving traffic at intervals is not provided in case of ?
Four lane highways
Four lane highways
See lessExceptional gradient should not be provided in a length more than ?
100 m
100 m
See lessThe value of group index of a soil varies from ?
0 to 20
0 to 20
See lessThe value of ruling gradient in plain, as recommended by Indian Roads Congress, is ?
1 in 30
1 in 30
See less