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Which of the following factors would increase the probability of knocking in the CI engines?
1. Long ignition delay of fuel.
2. Low self ignition temperature of fuel.
3. Low volatility of fuel.
Select the correct answer using the codes given below:
Codes:
  • a)
    1, 2 and 3
  • b)
    1 and 2
  • c)
    1 and 3
  • d)
    2 and 3
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Which of the following factors would increase the probability of knoc...
In CI engine long ignition delay leads to knocking.
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Most Upvoted Answer
Which of the following factors would increase the probability of knoc...
Factors affecting probability of knocking in CI engines

There are several factors that can affect the probability of knocking in CI engines. Some of these factors are:

1. Ignition delay of fuel
2. Self-ignition temperature of fuel
3. Volatility of fuel

Explanation of options:

Option A: 1, 2, and 3
- If the ignition delay of fuel is long, there is a greater chance of knocking because the fuel may not ignite at the optimal time, causing incomplete combustion.
- If the self-ignition temperature of fuel is low, it can lead to premature ignition and knocking.
- If the volatility of fuel is low, it can lead to incomplete combustion and increased emissions.

Option B: 1 and 2
- A long ignition delay of fuel and a low self-ignition temperature of fuel can both increase the probability of knocking.

Option C: 1 and 3
- A long ignition delay of fuel and low volatility of fuel can both increase the probability of knocking in CI engines.

Option D: 2 and 3
- A low self-ignition temperature of fuel and low volatility of fuel can both increase the probability of knocking in CI engines.

Conclusion:

From the above explanation, it can be concluded that option C is the correct answer. A long ignition delay of fuel and low volatility of fuel can both increase the probability of knocking in CI engines.
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Which of the following factors would increase the probability of knocking in the CI engines?1. Long ignition delay of fuel.2. Low self ignition temperature of fuel.3. Low volatility of fuel.Select the correct answer using the codes given below:Codes:a)1, 2 and 3b)1 and 2c)1 and 3d)2 and 3Correct answer is option 'C'. Can you explain this answer?
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