SSC JE Mechanical Engineering 2015

Instructions

For the following questions answer them individually

Question 141

Torsional rigidity of a solid circular shaft of diameter d is proportional to

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Question 142

Two shafts, one solid and the other hollow, are made of the same materials and are having length and weight. The hollow shaft as compared to solid shaft is

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Question 143

The point of contra-flexure occurs only in

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Question 144

Which of the following theorem is used for the equilibrium of the body applied with three concurrent coplanar forces?

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Question 145

A body of mass 5 kg accelerates at a constant rate of 2 m/s$$^2$$ on a smooth horizontal surface due to an external force acting at $$30^\circ$$ with horizontal. The magnitude of the force is

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Question 146

In case of a circular section the section modulus is given as

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Question 147

.Leaf springs are subjected to

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Question 148

The strength of a beam mainly depends on

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Question 149

According to Bernoulli’s equation

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Question 150

The length of the divergent portion of venturimeter in comparison to convergent portion is

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