Group index method of design of flexible pavement is_______________?
Softening point of bitumen to be used for read construction at a place where maximum temperature is 40° C should be______________?
Bitumen of grade 80/100 means______________?
Which of the following represents hardest grade of bitumen ?
The ductility value of bitumen for suitability in road construction should not be less than____________?
The maximum allowable Los Angeles abrasion value for high quality surface course is_______________?
Tie bars in cement concrete pavements are at______________?
Rigidity factor for a tyre pressure greater than 7 kg/cm2 is_______________?
Select the correct statement______________?
Tyre pressure influences the______________?
