Two bars AO and BO are of uniform area 'A' each and are hinged at O as shown in the given figure. A load W is applied at O. The vertical deflection of O will be
The length of a transition curve for a circular curve of radius 300 m and for a design speed of 15 m/s, when the rate of change of centrifugal acceleration is 0.3 m/s3 is
Two closed-coil springs of stiffness s and 2s are arranged in series in one case and in parallel in the other case. The ratio of stiffness of springs connected in series to parallel is