Theory of Structures
Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to

Angle of twist
Modulus of rigidity
Moment of inertia of the shaft section
Reciprocal of the length of the shaft

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

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 right half span, is ? ?R/?
All of these
A uniformly distributed load ? per unit run over its entire span is 4/3 ?R/?

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