Theory of Structures
A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Esteel = 2 × 106 kg/cm², the side of the rod, is

1.5 cm
2.5 cm
2 cm
1 cm

ANSWER DOWNLOAD EXAMIANS APP

Theory of Structures
The horizontal thrust on the ends of a two hinged semicircular arch of radius ‘R’ carrying

A uniformly distributed load ? per unit run over its right half span, is ? ?R/?
All of these
A distributed load varying from zero at the left end to ? per unit horizontal run at the right end, is ? ?R/?
A uniformly distributed load ? per unit run over its entire span is 4/3 ?R/?

ANSWER DOWNLOAD EXAMIANS APP