DieselShip's Online Content Library

Q9. 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? (8)

b) With reference to turbochargers with variable turbine area, explain (8)

i) Which area is varied

ii) Why is it varied

iii) How is it varied.