The correct gas flow path in a typical large modern natural circulation boiler is
a. Combustion chamber – Reheater –Superheater – Economiser – Air Preheater – I.D. fan – Electrostatic precipitator – Stack
b. Combustion chamber – Superheater –Reheater – Economiser – Air Preheater – Electrostatic – precipitator I.D. fan – Stack
c. Combustion chamber – Reheater –Superheater – Air Preheater –Economiser – Electrostatic precipitator – I.D. fan – Stack
d. Combustion chamber – Superheater –Reheater – Economiser – Air Preheater – I.D. fan – Electrostatic precipitator –Stack