SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2

The equivalent length of the column, when both the ends are hinged is ________.

The expression for the slenderness Ratio ratio of the columns is given as ________.

The expression for the Rankine’s crippling load is given as________.

What is the ratio of the Euler’s buckling loads of column having (i) both ends fixed and (ii) one end fixed and other end free is?

The thin walled cylindrical vessel has the wall thickness t and diameter d is subjected to the gauge pressure of p. If the diameter of the vessel is doubled, then what is the ratio of hoop stress as compared to initial value?

A metal pipe is subjected to internal pressure of $$ 10 kgf/cm^2$$. If the permissible tensile stress in the metal is $$ 200 kgf/cm^2$$ and the thickness of the pipe is 2.5 cm. What is the diameter of the metal pipe?

A power transmission shaft of diameter d rotating at the speed of N rpm. The power P is related to diameter d and N as________.

Which is the correct option for the stress experienced by the shaft when the power transmission in shaft takes place through the gears?

A beam of diameter 75 mm has a span length of 10 m is subjected to uniform distributed load of w kN/m. The maximum value of bending stress produced is 6.75 kN-m. What is the value of distributed load, if the beam is simply supported?

A steel bar of dimension 10 mm x 1 mm x 1 mm is free to expand is heated from $$ 15^\circ C $$ to $$ 25^\circ C $$ What stress shall be developed?