SSC JE Mechanical Engineering 25th May 2014 Shift-2
Instructions
For the following questions answer them individually
Question 103
The direction of frictional force acting on a body which can slide on a fixed surface is
Question 104
What strength of the material is to be considered for design of a ductile component undercyclic load ?
Question 105
For any given power and permissible shear stress, the rotational speed of shaft andits diameter are correlated by the expression
Question 106
The angle turned by a wheel while it starts from rest and accelerates at constantrate of 3 rad/s$$^2$$ for an interval of 20 sec is
Question 109
A reversible heat engine working at the rate of 100kW has an efficiency of 20%. The magnitudes of heat transfer rate from the source and to the sink in kW would be, respectively,
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