7961Chemical EngineeringMedium
Higher fuel combustion efficiency cannot be achieved by________?
ASupplying correct amount of combustion air
BPreheating of fuel gases & combustion air
CAdopting proper fuel firing technique & fuel preparation
DReducing sulphur content in the fuel
Correct answer
D. Reducing sulphur content in the fuel
Explanation
The correct answer is Reducing sulphur content in the fuel.