Assertion (A): A pintle nozzle is employed to mix the fuel properly even with the slow air movement available with the many open combustion chambers in CI engines.
Reason (R): The mixing of fuel and air is greatly affected by the nature of the air movement in the combustion chamber of CI engines.
Option (A)
Both A and R are true and R is the correct explanation of A
Option (B)
Both A and R are true but R is NOT the correct explanation of A
A is true but R is false
A is false but R is false
Correct Option:
Question Solution:
Pintle nozzle has projection which protrudes through the mouth of nozzle body (hollow conical spray). It results in good atomization and penetration. Swirl is given combustion chambers for proper combustion