Why diesel engine is known as high torque and petrol engine as high speed engine

Why diesel engine is known as high torque and petrol engine as high speed engine?

Question Posted / shaifaly verma

Why diesel engine is known as high torque and petrol engine as high speed engine?..

Answer / harshavardhan reddy

diesel engines are designed to get high thermal eficiencies and petrol engines are for high mechanical efficiencies

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