QuestionJuly 26, 2025

Which part(s) will you find on an Otto engine, but not on a diesel engine? Camshaft Valves Spark plug Crankshaft

Which part(s) will you find on an Otto engine, but not on a diesel engine? Camshaft Valves Spark plug Crankshaft
Which part(s) will you find on an Otto engine, but not on a diesel engine?
Camshaft
Valves
Spark plug
Crankshaft

Solution
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Answer

Spark plug Explanation 1. Identify unique components The **spark plug** is unique to the Otto engine, as it is required for igniting the air-fuel mixture. Diesel engines use compression ignition and do not have spark plugs. 2. Compare other components Camshaft, valves, and crankshaft are common to both Otto and diesel engines, as they are essential for controlling valve timing and converting linear motion to rotational motion.

Explanation

1. Identify unique components<br /> The **spark plug** is unique to the Otto engine, as it is required for igniting the air-fuel mixture. Diesel engines use compression ignition and do not have spark plugs.<br />2. Compare other components<br /> Camshaft, valves, and crankshaft are common to both Otto and diesel engines, as they are essential for controlling valve timing and converting linear motion to rotational motion.
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