ISRO Scientist or Engineer Mechanical 2011

For a column of length L is fixed at both ends, corresponding Euler’s critical load is

Which one of the following figures is the correct sketch of Mohr’s circle of the given state of stress

With a punch for which the maximum crushing stress is 4 times the maximum shearing stress of the plate, the biggest hole that can be punchedi in the plate would be of diameter equal to

A simply supported beam with width ‘b’ and. depth ‘d’ carries a central load W and undergoes deflection $$\delta$$ at the centre. If the width and depth are interchanged, the deflection at the centre of the beam would attain the value:

The given figure shows a cantilever of span ‘L’ subjected to a concentrated load ‘P’ and a moment ‘M’ at the free end. Deflection at the free end is given by

In arc welding, penetration is minimum for

Match list - I (welding effects) with list II (causes) and select the correct answer using the codes given below the lists:

Two beams of equal cross sectional area are subjected to equal bending moment. If one beam has square section and the other has circular section then,

The number of degree of freedom of a five link plane mechanism with five revolute pairs as shown in the figure is

To ensure self locking in a screw jack, it is essential that helix angle is