Identify the correct option based on the assertion (A) and reason (R) listed below.
Assertion (A) : Natural draught is driven by the temperature difference between the flue gases and the outside air.
Reason (R) : The forced draught fan creates positive pressure which helps to ensure a consistent and controlled supply of air for combustion.
1
Both A and R are true
2
A is true but R is false
3
Both A and R are false
4
A is false but R is true