Where is the variable compression ratio used?

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. 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. Speed and torque

B. Speed and power

C. Torque

D. Speed

A. Reduction in the life of the engine

B. Less power compared to gasoline

C. Reduction in the life of the engine and less power compared to gasoline

D. Knocking tendency

A. To reduce the emission

B. To increase the power output

C. To increase the power efficiency

D. To improve cold-weather starting