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Question

Which of the following is a false statement? Excess quantities of Sulphur in diesel fuel are objectionable because it may cause the following:

निम्नलिखित में से कौन सा कथन गलत है? डीजल ईंधन में सल्फर की अधिक मात्रा आपत्तिजनक है क्योंकि इससे निम्नलिखित कारण हो सकते हैं:

A.

Piston ring and cylinder wear

B.

Formation of hard coating on piston skirts

C.

Oil sludge in the engine crank case 

D.

Detonation

Answer ( Option D)

Detonation

Solution

  • Excess quantity of sulphur in diesel fuel are objectionable because it makes strong acid like sulfuric acid which may cause piston ring and cylinder wear.
  • It may cause formation of hard coating on piston skirts and oil sludge in the engine crank case.
  • Detonation is the tendency for the fuel to pre-ignite or auto-ignite in an engine's combustion chamber.

Hence, the correct option is (D).

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