Highway Engineering - Engineering

Q1:

On most smooth hard surfaced roads, rolling resistance to moving vehicles, ranges from

A 5 kg to 7 kg/tonne

B 7 kg to 9 kg/tonne

C 9 kg to 11 kg/tonne

D 11 kg to 13 kg/tonne

E none of these.

ANS:C - 9 kg to 11 kg/tonne

Generally, the resistance to rolling is calculated as 1% of the load.