SSC JE Mechanical Engineering 1st March 2017 Shift-1

Instructions

For the following questions answer them individually

Question 171

Shaft is subjected to which of the following stresses?

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Question 172

Which of the following is self-aligning bearing?

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Question 173

Which of the following is Trapezoidal thread?

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Question 174

The efficiency of self-locking screw is _____.

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Question 175

The most suitable bearing for carrying very heavy loads with slow speed is _____.

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Question 176

The outside diameter of a hollow shaft is twice it's inside diameter. The ratio of its torque carrying capacity to that of a solid shaft of the same material and the same outside diameter is _____

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Question 177

A solid shaft can resist a bending moment of 3 kNm and a twisting moment of 4 kNm together, then the maximum torque that can be applied is _____.

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Question 178

Under torsion, brittle materials generally fail ______.

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Question 179

The shear stress distribution over a rectangular cross-section of a beam follows _____.

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Question 180

When two mutually perpendicular principal stresses are unequal but alike, the maximum shear stress is represented by _____.

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