HIGHWAY ENGINEERING QUIZ

30 cm

20 cm

50cm

10 cm

Sheet asphalt

Bituminous carpet

Bituminous concrete

Mastic asphalt

reconnaissance, map study, preliminary survey and detailed survey

map study, reconnaissance, preliminary survey and detailed survey

map study, preliminary survey, reconnaissance and detailed survey

preliminary survey, map study, reconnaissance and detailed survey

Minimum and maximum values of group index can be 0 and 20 respectively

More the value of group index, less thickness of pavement will be required

More the value of CBR, greater thickness of pavement will be required

All of these

1.0 %

0.6 %

0.4 %

0.8 %

50 to 75 mm

75 to 100 mm

20 to 25 mm

100 to 120 mm

1 in 20

1 in 16

1 in 8’/2

1 in 12

dry rolling, application of screening, wet rolling and application of filler

dry rolling, application of filler, wet rolling and application of screening

dry rolling, wet rolling, application of screening and application of filler

dry rolling, application of screening, application of filler and wet rolling

slipping

skidding

revolving

turning

60m

zero

80m

64m