SSC JE Mechanical Engineering 24th Jan 2018 Shift-2

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For the following questions answer them individually

SSC JE Mechanical Engineering 24th Jan 2018 Shift-2 - Question 121


The following columns have same material, height and weight, which column can support maximum weight?

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SSC JE Mechanical Engineering 24th Jan 2018 Shift-2 - Question 122


A column of length 8m with both ends fixed may be considered as equivalent to a column of length ________with both ends hinged.

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SSC JE Mechanical Engineering 24th Jan 2018 Shift-2 - Question 123


When a steel column is said to be short, the slenderness ratio is?

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SSC JE Mechanical Engineering 24th Jan 2018 Shift-2 - Question 124


What is the tensile stress (in MPa) in a rod of cross section 20 mm x 30 mm, carrying an axial tensile load of 20 kN.?

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SSC JE Mechanical Engineering 24th Jan 2018 Shift-2 - Question 125


What is the change in Euler’s buckling load, if the diameter of the column is reduced by 10%?

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SSC JE Mechanical Engineering 24th Jan 2018 Shift-2 - Question 126


Which equation correctly relates the modulus of elasticity in terms of G and K?

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SSC JE Mechanical Engineering 24th Jan 2018 Shift-2 - Question 127


Which of the curve is best suited for linear elastic-perfectly plastic material?

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SSC JE Mechanical Engineering 24th Jan 2018 Shift-2 - Question 128


Which formula correctly depicts the elongation in a tapered rod?

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SSC JE Mechanical Engineering 24th Jan 2018 Shift-2 - Question 129


A steel rod whose diameter is 6 cm and is 1 m long, experiences heating from temperature $$40^\circ C$$ to $$200^\circ C$$. The coefficient of thermal expansion is $$\alpha = 12 \times 10^{-8} / ^\circ C$$ and Young's modulus is 300 GPa. If the rod has not been restricted in its original position, the thermal stress (MPa) developed is ..............

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SSC JE Mechanical Engineering 24th Jan 2018 Shift-2 - Question 130


Which of the following statement is TRUE for sudden loading?

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