From my project. Difference btw petrol and diesel engine. Compression ratio. What is sensor. What is rectifier. Use of rectifier.

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Questions related to engines, sensors, and rectifiers.

Petrol engines use spark ignition, while diesel engines use compression ignition.
Compression ratio is the ratio of the volume of the combustion chamber when the piston is at the bottom of its stroke to the volume of the combustion chamber when the piston is at the top of its stroke.
A sensor is a device that detects and responds to some type of input from the physical environment.
A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction.
Rectifiers are used in power supplies to convert AC power to DC power for electronic devices.

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