SSC JE Mechanical Engineering 2nd March 2017 Shift-1
For the following questions answer them individually
The stress in a body due to suddenly applied load compared to when it is applied gradually is _____.
The property of a material by virtue of which a body returns to its original shape after removal of the load is called _____.
For which material the Poisson's ratio is more than unity?
A: steel
B: copper
C: aluminium
D:cast iron
A beam is loaded as cantilever. If the load at the end is increased, the failure will occur _____.
Two wires AO and BO supports a vertical load W at O as shown in the figure below .The wires are of equal length and equal cross sectional area .The tension in each wire is equal to:
A weight of 500 kgs is held on smooth plane , inclined at $$30^\circ$$ to the horizontal by a force P acting at $$30^\circ$$ above the plane as shown in the figure below .The reaction of plane on the weight will be :
Given figure shows a quick return mechanism.The crank OA rotates clockwise uniformly. OA = 2 cm. OO’ =4 cm. Theratio of time for for-ward motionto that for return motion is:
