Which of the following is one of the major exhaust emissions from CI engines compared to SI engines?

A. Unburnt oil

B. HC

C. Nox

D. CO

A. More prone for knock

B. It uses an overall rich mixture

C. It has a lot of throttling losses

D. It has multi-fuel capabilities

A. Cruising

B. Idling

C. Accelerating

D. Decelerating

A. To reduce the emission

B. To increase the power output

C. To increase the power efficiency

D. To improve cold-weather starting

A. Speed and torque

B. Speed and power

C. Torque

D. Speed

A. It is a rotary external combustion engine

B. It is more expensive

C. It has a longer operating cycle

D. It has less time to complete the combustion

A. SI engine

B. CI engine

C. Hybrid of both SI and CI engine

D. Wankel engine