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The quality of gasoline sample is determined by its
- a)iodine value
- b)cetane number
- c)octane number
- d)mass density
Correct answer is option 'C'. Can you explain this answer?
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The quality of gasoline sample is determined by itsa) ...
Octane Number Determines the Quality of Gasoline
Gasoline, also known as petrol, is a flammable liquid fuel commonly used in internal combustion engines. Its quality is determined by various factors, including its octane number.
Octane Number:
The octane number is a measure of a fuel's ability to resist "knocking" or "pinging" during combustion, which is the undesirable knocking sound that occurs when the air-fuel mixture in the engine's cylinders detonates spontaneously. Knocking can lead to engine damage and reduced performance.
Significance of Octane Number:
The octane number indicates the quality of gasoline and its suitability for use in different types of engines. Higher octane numbers generally indicate better performance and efficiency, as they allow for higher compression ratios and more advanced ignition timing in engines.
Types of Octane Numbers:
There are two types of octane numbers used to evaluate gasoline quality:
1. Research Octane Number (RON): The Research Octane Number measures a fuel's performance under mild operating conditions and lower speeds. It represents the fuel's ability to resist knocking during normal driving conditions.
2. Motor Octane Number (MON): The Motor Octane Number measures a fuel's performance under more severe operating conditions, such as high engine speeds and heavy loads. It represents the fuel's ability to resist knocking under demanding conditions.
Octane Rating Scale:
The octane number is typically displayed on gasoline pumps and represents the average of both RON and MON. For example, if a gasoline has an octane number of 87, it means that its performance is equivalent to a mixture of 87% isooctane (a hydrocarbon with high octane rating) and 13% heptane (a hydrocarbon with low octane rating).
Choosing the Right Octane Number:
The appropriate octane number for a specific vehicle depends on its compression ratio, ignition timing, and other factors. Most vehicles are designed to run on gasoline with octane ratings between 87 and 93. Using a lower octane fuel than recommended can lead to knocking, while using a higher octane fuel than necessary does not necessarily provide any benefit.
Conclusion:
In summary, the octane number is a crucial factor in determining the quality of gasoline. It indicates the fuel's ability to resist knocking during combustion, which impacts engine performance and efficiency. Choosing the right octane number for a vehicle is important to ensure optimal engine operation.
Gasoline, also known as petrol, is a flammable liquid fuel commonly used in internal combustion engines. Its quality is determined by various factors, including its octane number.
Octane Number:
The octane number is a measure of a fuel's ability to resist "knocking" or "pinging" during combustion, which is the undesirable knocking sound that occurs when the air-fuel mixture in the engine's cylinders detonates spontaneously. Knocking can lead to engine damage and reduced performance.
Significance of Octane Number:
The octane number indicates the quality of gasoline and its suitability for use in different types of engines. Higher octane numbers generally indicate better performance and efficiency, as they allow for higher compression ratios and more advanced ignition timing in engines.
Types of Octane Numbers:
There are two types of octane numbers used to evaluate gasoline quality:
1. Research Octane Number (RON): The Research Octane Number measures a fuel's performance under mild operating conditions and lower speeds. It represents the fuel's ability to resist knocking during normal driving conditions.
2. Motor Octane Number (MON): The Motor Octane Number measures a fuel's performance under more severe operating conditions, such as high engine speeds and heavy loads. It represents the fuel's ability to resist knocking under demanding conditions.
Octane Rating Scale:
The octane number is typically displayed on gasoline pumps and represents the average of both RON and MON. For example, if a gasoline has an octane number of 87, it means that its performance is equivalent to a mixture of 87% isooctane (a hydrocarbon with high octane rating) and 13% heptane (a hydrocarbon with low octane rating).
Choosing the Right Octane Number:
The appropriate octane number for a specific vehicle depends on its compression ratio, ignition timing, and other factors. Most vehicles are designed to run on gasoline with octane ratings between 87 and 93. Using a lower octane fuel than recommended can lead to knocking, while using a higher octane fuel than necessary does not necessarily provide any benefit.
Conclusion:
In summary, the octane number is a crucial factor in determining the quality of gasoline. It indicates the fuel's ability to resist knocking during combustion, which impacts engine performance and efficiency. Choosing the right octane number for a vehicle is important to ensure optimal engine operation.
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The quality of gasoline sample is determined by itsa) iodine value b) cetane number c) octane number d) mass density Correct answer is option 'C'. Can you explain this answer?
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The quality of gasoline sample is determined by itsa) iodine value b) cetane number c) octane number d) mass density Correct answer is option 'C'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about The quality of gasoline sample is determined by itsa) iodine value b) cetane number c) octane number d) mass density Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The quality of gasoline sample is determined by itsa) iodine value b) cetane number c) octane number d) mass density Correct answer is option 'C'. Can you explain this answer?.
The quality of gasoline sample is determined by itsa) iodine value b) cetane number c) octane number d) mass density Correct answer is option 'C'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about The quality of gasoline sample is determined by itsa) iodine value b) cetane number c) octane number d) mass density Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The quality of gasoline sample is determined by itsa) iodine value b) cetane number c) octane number d) mass density Correct answer is option 'C'. Can you explain this answer?.
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