Question:
Ethanol is a much more superior fuel for diesel engines as its cetane number is
Ethanol is a much more superior fuel for diesel engines as its cetane number is
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Cetane number is related to ignition quality of diesel fuel; higher cetane number means easier ignition.
Updated On: May 4, 2026
- \(8\)
- \(10\)
- \(12\)
- \(14\)
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The Correct Option is A
Solution and Explanation
Concept:
Cetane number is a measure of ignition quality of diesel fuel. A higher cetane number indicates better self-ignition quality in compression ignition engines.
Step 1: Diesel engines require fuels that ignite easily under compression.
Step 2: Cetane number represents how quickly fuel ignites after injection into compressed hot air.
Step 3: In the given options, the cetane number of ethanol is given as \(8\).
Step 4: Therefore, according to the given answer key, the correct value is: \[ 8 \] \[ \boxed{8} \]
Cetane number is a measure of ignition quality of diesel fuel. A higher cetane number indicates better self-ignition quality in compression ignition engines.
Step 1: Diesel engines require fuels that ignite easily under compression.
Step 2: Cetane number represents how quickly fuel ignites after injection into compressed hot air.
Step 3: In the given options, the cetane number of ethanol is given as \(8\).
Step 4: Therefore, according to the given answer key, the correct value is: \[ 8 \] \[ \boxed{8} \]
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