Q. The emission of carbon monoxide in automobile exhaust will be low when the vehicle is (Solved)
1. Cruising at low speeds
2. Idling
3. Decelerating
4. Cruising at high speeds
5. Accelerating
- d. Cruising at high speeds
1. Cruising at low speeds
2. Idling
3. Decelerating
4. Cruising at high speeds
5. Accelerating