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Consider the following statements for a carburettor:
1. Acceleration jet is located just behind the throttle value
2. Idle jet is located close to the choke
3. Main jet alone supplies petrol at normal engine speeds
Which of the statements given above are correct?
1. Acceleration jet is located just behind the throttle value
2. Idle jet is located close to the choke
3. Main jet alone supplies petrol at normal engine speeds
Which of the statements given above are correct?
- a)1, 2 and 3
- b)1 and 2
- c)2 and 3
- d)1 and 3
Correct answer is option 'D'. Can you explain this answer?
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Carburettor Function and Components:
A carburettor is a device used in internal combustion engines to mix air and fuel in the correct ratio for combustion. It atomizes the fuel and combines it with air before delivering it to the engine cylinders. The main components of a carburettor include the throttle valve, choke, idle jet, acceleration jet, and main jet.
Explanation of the Statements:
Let's analyze each statement to determine their correctness:
1. Acceleration jet is located just behind the throttle valve:
The acceleration jet in a carburettor is responsible for supplying additional fuel during rapid acceleration or heavy load conditions. It is located just behind the throttle valve, where it can regulate the fuel flow based on the throttle position. This statement is correct.
2. Idle jet is located close to the choke:
The idle jet in a carburettor is responsible for supplying fuel during idle or low-speed conditions. It provides a small amount of fuel to maintain engine idle speed. The choke, on the other hand, is used to restrict the airflow during cold starts to enrich the fuel mixture. The idle jet is usually located close to the throttle valve, not necessarily close to the choke. Therefore, this statement is incorrect.
3. Main jet alone supplies petrol at normal engine speeds:
The main jet in a carburettor is responsible for supplying fuel at medium to high engine speeds. It determines the fuel mixture for normal driving conditions. The main jet controls the fuel flow based on the throttle opening, allowing the engine to operate efficiently. This statement is correct.
Conclusion:
Based on the analysis, we can conclude that statements 1 and 3 are correct, while statement 2 is incorrect. Therefore, the correct answer is option 'D' - 1 and 3.
A carburettor is a device used in internal combustion engines to mix air and fuel in the correct ratio for combustion. It atomizes the fuel and combines it with air before delivering it to the engine cylinders. The main components of a carburettor include the throttle valve, choke, idle jet, acceleration jet, and main jet.
Explanation of the Statements:
Let's analyze each statement to determine their correctness:
1. Acceleration jet is located just behind the throttle valve:
The acceleration jet in a carburettor is responsible for supplying additional fuel during rapid acceleration or heavy load conditions. It is located just behind the throttle valve, where it can regulate the fuel flow based on the throttle position. This statement is correct.
2. Idle jet is located close to the choke:
The idle jet in a carburettor is responsible for supplying fuel during idle or low-speed conditions. It provides a small amount of fuel to maintain engine idle speed. The choke, on the other hand, is used to restrict the airflow during cold starts to enrich the fuel mixture. The idle jet is usually located close to the throttle valve, not necessarily close to the choke. Therefore, this statement is incorrect.
3. Main jet alone supplies petrol at normal engine speeds:
The main jet in a carburettor is responsible for supplying fuel at medium to high engine speeds. It determines the fuel mixture for normal driving conditions. The main jet controls the fuel flow based on the throttle opening, allowing the engine to operate efficiently. This statement is correct.
Conclusion:
Based on the analysis, we can conclude that statements 1 and 3 are correct, while statement 2 is incorrect. Therefore, the correct answer is option 'D' - 1 and 3.
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Consider the following statements for a carburettor:1. Acceleration jet is located just behind the throttle value2. Idle jet is located close to the choke3. Main jet alone supplies petrol at normal engine speedsWhich of the statements given above are correct?a)1, 2 and 3b)1 and 2c)2 and 3d)1 and 3Correct answer is option 'D'. Can you explain this answer?
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