Discussion :: Physics
- In a diesel engine the high temperature needed to ignite the fuel is achieved by
A.
Using heat from exhaust |
B.
The battery |
C.
Compressing air in the cylinders |
D.
An electrical spark |
Answer : Option C
Explanation :
The diesel engine gains its energy by burning fuel injected or sprayed into the compressed, hot air charge within the cylinder. The air must be heated to a temperature greater than the temperature at which the injected fuel can ignite.
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