Highway Engineering
The method of design of flexible pavement as recommended by IRC is

Westergaard method
Benkelman beam method
group index method
CBR method

ANSWER DOWNLOAD EXAMIANS APP

Highway Engineering
The provision of traffic signals at intersections

reduces right angled and rear end collisions
increases right angled and rear end collisions
reduces rear end collisions but may increase right angled collisions
reduces right angled collisions but may increase rear end collisions

ANSWER DOWNLOAD EXAMIANS APP