Consider the following ‘statements for NOx emissions from I.C. engines
1. Formation of NOx depends upon combustion temperature
2. Formation of NO depends upon type of coolant used
3. Exhaust gas recirculation is an effective means for control of NOx
4. Activated Platinum is used for reduction of NOx
Which of the statements given above are correct?
Option (A)
1 and 2
Option (B)
1, 2 and 3
2 and 4
1 and 3
Correct Option:
Question Solution:
Platinum/Rhodium metal matrix in honeycomb like structure used. If the coolant used is not effective then temperature will be high.