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← ScienceWhich outcome occurs when a diesel engine's fuel injector exceeds its maximum temperature threshold?
A)Fuel coking occurs in injector✓
B)Volumetric efficiency will increase greatly
C)Fuel's viscosity will notably decrease
D)Atomization will greatly improve ignition
💡 Explanation
Fuel coking will occur within the injector because exceeding the temperature results in thermal decomposition via pyrolysis of fuel components. Therefore, the injector clogs with carbon deposits, rather than the fuel atomizing correctly due to decreased viscosity with correct operating conditions.
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