Spark Plug
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K
Kingkong
Loves outdoors. Hates snakes.
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ENGINEERING
Automotive Technology
Spark Plug
The tiny spark plug’s precise timing powers millions of engines worldwide every day
19 hours ago
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Why is the ceramic insulator in a spark plug crucial for engine performance?
It conducts electricity to the engine block to complete the circuit.
It electrically isolates the central electrode while withstanding high heat and pressure.
It stores fuel before ignition to improve combustion efficiency.
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JOHN_BASH
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Spark Plug
HEADING
5 Feb 2026
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123_Steve
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ENGINEERING
Automotive Engineering
Spark Plug
Spark plugs ignite fuel-air mixtures with electric sparks inside engine cylinders
31 Jan 2026
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What is the primary function of the ceramic insulator in a spark plug?
To conduct electricity from the ignition coil to the engine block
To cool the spark plug by dissipating heat into the engine coolant
To electrically isolate the central electrode from the metal shell while withstanding combustion pressure
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ENGINEERING
Automotive Engineering
Spark Plug
Spark plugs ignite fuel-air mixtures to power engines with precise electric sparks
25 Jan 2026
0
What is the primary role of the ceramic insulator in a spark plug?
To electrically isolate the central electrode from the metal shell while withstanding combustion conditions
To conduct electricity from the ignition coil to the ground electrode
To create the spark gap where the ignition occurs
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