Write short notes (aided by diagrams) on the following:
i) The effect of hybridization on bond lengths
ii) Naphthalene as an environmental pollutant
iii) The stability of the benzene ring
Q2 Write short notes on any two of the following:
a) Optimum Design. b) New Design c) Empirical Design [12 marks]
(iii) Mention two methods used in design in minimizing stress
concentration. [5 marks]
Q4 (i) Find the power transmitted by a 50mm diameter solid shaft
running at 200rpm if the shear strength of the material is 124
MN/m2 using factor of safety of 2.
What will be the power transmitted by an equivalent hollow shaft
of the same cross...