Highway Engineering
For design, that length of transition curve should be taken which is

based on allowable rate of change of centrifugal acceleration
smaller of (A) and (B)
based on rate of change of super elevation
higher of (A) and (B)

ANSWER DOWNLOAD EXAMIANS APP

Highway Engineering
The entrance and exit curves of a rotary have

equal radii but pavement width is more at entrance than at exit curve
equal radii and equal widths of pavement
different radii and different widths of pavement
equal pavement widths but radius is more at entrance curve than at exit curve

ANSWER DOWNLOAD EXAMIANS APP