engines Archives - Free ZIMSEC & Cambridge Revision Notes

January 2023

The Petrol engine

By garikaib|2022-09-15T12:38:54+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

Four Stroke Petrol Engine. Image credit petrolheadkenya.com

Four Stroke Petrol Engine. Image credit petrolheadkenya.com ZIMSEC O Level Combined Science Notes: The Petrol engine

Four strokes are involved in the operation of most petrol engines
They are thus known as four-stroke engines
The first stroke is known as the inlet stroke
During the […]
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Efficiency: Diesel vs Petrol engines

By garikaib|2022-09-15T12:38:52+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

Petrol vs Diesel Engines. Image credit carblogindia.com

Petrol vs Diesel Engines. Image credit carblogindia.com ZIMSEC O Level Combined Science Notes: Efficiency: Diesel vs Petrol engines

Efficiency refers to the fuel economy of an engine
It measures the amount of chemical energy in the fuel that is converted to kinetic energy
The […]
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