Match List - I with List-II and select the correct answer using the given lists; (SI engine operational mode) (Approximate A/F ratio) A. Idling 1. 3 : 1 B. Cruising 2. 10 : 1 C. Cold starting 3. 13 : 1 D. Isothermal process 4. 20 : 1

• A. A – 3, B – 4, C – 2, D – 1
• B. A – 4, B – 1, C – 3, D – 2
• C. A – 2, B – 4, C – 3, D – 1
• D. A – 4, B – 2, C – 3, D – 1