SSC JE Civil Engineering 2012

Instructions

For the following questions answer them individually

Question 121

The point of contraflexure is a point where

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Question 122

A rectangular log of wood is floating in water with aload of 100 N at its centre. The maximum shear force in the wooden log is

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Question 123

Point out the correct matching:

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Question 124

IN a beam at a section carrying a shearforce F, the shearstress is maximum at

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Question 125

The shear force at the point of contraflexure in the following beam is:

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Question 126

Strain energy per unit volumeofa solid circular shaft $$\phi$$ under axial tension is

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Question 127

For a cantilever beam of length L carrying a triangular load of intensity 'w' at the support and zero at the free end, the slope of the free end is given by

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Question 128

The allowable stress in a long column can be increased by increasing the

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Question 129

For a pin jointed plane structure to be statically determinate, the necessary condition is, where,
m = number of unknown member force
r = number of unknown reaction
j = number of joints

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Question 130

The simplest geometrical form of a truss is a

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