The strength and durability of a road depends upon its sub-grade.

Related MCQs

• The size of a stone used on a road must be in due proportion to the space occupied by a wheel of ordinary dimensions on a smooth level surface. This point of contact will be found to be longitudinally about 25 mm and every piece of stone put into a road which exceeds 25 mm in any of its dimensions is mischievous. This statement is according to Macadam.
• The thickness of road surfacing depends upon the
• The gradient of a road depends upon the
• The distance, measured along the centre line of a road, over which a driver can see the opposite object on the road surface, is called
• A camber of 1 in 30 means that for a 30 m wide road, the crown of the road will be
• The longest distance at which a driver, whose line of sight is 1.2 m above the road surface, can see the top of an object 10 cm high on the surface of road, is called
• A road within a city or town in called an urban road.
• The theoretical capacity of a highway depends upon the
• The stopping sight distance depends upon the
• An gradient on a road is said to be an exceptional gradient if its is