The degree if curve is central angle subtended by an arc of length is?

The normal width recommended in rural areas by IRC for a national highway is _______

The angle which is measured at the change of direction of two gradients is called _______

The most important factor that is required for road geometrics is _______

The equation of parabolic camber is given by _______

If the longitude coefficient of friction is 0.4, then the resultant retardation in m/sec2 as per IRC will be _______

The ratio between centrifugal force and weight of the vehicle is called _______

The minimum width of carriage way in urban roads is _______