Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to________?

Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle?

A machine is purchased for Rs. 10,000,00/- and has an estimated life of 10 years. The salvage value at the end of 10 years is Rs. 1,50,000/-. The book value of the machine at the end of 5 years using general straight line method of evaluation of depreciation is________?

The maximum design gradient for vertical profile of a road is________?

Gantry girders are designed to resist________?

When the axis of load lies in the plane of rivet group, then the rivets are subjected to________?