Q8. a) To improve the power-to-weight ratio of an engine, it is necessary to increase the mep. Discuss the importance of turbocharger compression ratio in this regard. Why has it become necessary to introduce two-stage turbocharging?
b) With reference to turbochargers with variable turbine area, explain
i)Which area is varied
ii)Why is it varied
iii)How is it varied.
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