Mechanical Engineering Exam > Mechanical Engineering Questions > Consider the following statements:1. De Laval...
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Consider the following statements:
1. De Laval nozzle is a subsonic nozzle.
2. Supersonic nozzle is a converging passage.
3. Subsonic diffuser is a diverging passage.
1. De Laval nozzle is a subsonic nozzle.
2. Supersonic nozzle is a converging passage.
3. Subsonic diffuser is a diverging passage.
Q. Which of these statements is/are correct?
- a)1 and 2
- b)2 and-3
- c)1 alone
- d)3 alone
Correct answer is option 'D'. Can you explain this answer?
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Consider the following statements:1. De Lavalnozzle is a subsonic nozz...
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Consider the following statements:1. De Lavalnozzle is a subsonic nozz...
Statement analysis:
Let's analyze each statement one by one:
Statement 1: De Laval nozzle is a subsonic nozzle.
A De Laval nozzle is a type of nozzle used in rocket engines and supersonic wind tunnels. It is designed to accelerate the flow of a gas to supersonic speeds. Therefore, statement 1 is incorrect.
Statement 2: Supersonic nozzle is a converging passage.
A supersonic nozzle is a diverging passage. It is designed to accelerate the flow of a gas from subsonic to supersonic speeds. The diverging shape of the nozzle helps in increasing the velocity of the gas while maintaining a uniform flow. Therefore, statement 2 is incorrect.
Statement 3: Subsonic diffuser is a diverging passage.
A subsonic diffuser is a type of duct that is used to slow down the velocity of a fluid while increasing its pressure. It is designed as a diverging passage to expand the flow area and reduce the velocity of the fluid. Therefore, statement 3 is correct.
Correct statement:
From the analysis above, we can conclude that statement 3 alone is correct.
Therefore, the correct answer is option 'D' - 3 alone.
Let's analyze each statement one by one:
Statement 1: De Laval nozzle is a subsonic nozzle.
A De Laval nozzle is a type of nozzle used in rocket engines and supersonic wind tunnels. It is designed to accelerate the flow of a gas to supersonic speeds. Therefore, statement 1 is incorrect.
Statement 2: Supersonic nozzle is a converging passage.
A supersonic nozzle is a diverging passage. It is designed to accelerate the flow of a gas from subsonic to supersonic speeds. The diverging shape of the nozzle helps in increasing the velocity of the gas while maintaining a uniform flow. Therefore, statement 2 is incorrect.
Statement 3: Subsonic diffuser is a diverging passage.
A subsonic diffuser is a type of duct that is used to slow down the velocity of a fluid while increasing its pressure. It is designed as a diverging passage to expand the flow area and reduce the velocity of the fluid. Therefore, statement 3 is correct.
Correct statement:
From the analysis above, we can conclude that statement 3 alone is correct.
Therefore, the correct answer is option 'D' - 3 alone.
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Consider the following statements:1. De Lavalnozzle is a subsonic nozzle.2. Supersonic nozzle is a converging passage.3. Subsonic diffuser is a diverging passage.Q. Which of these statements is/are correct?a)1 and 2b)2 and-3c)1 aloned)3 aloneCorrect answer is option 'D'. Can you explain this answer?
Question Description
Consider the following statements:1. De Lavalnozzle is a subsonic nozzle.2. Supersonic nozzle is a converging passage.3. Subsonic diffuser is a diverging passage.Q. Which of these statements is/are correct?a)1 and 2b)2 and-3c)1 aloned)3 aloneCorrect answer is option 'D'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Consider the following statements:1. De Lavalnozzle is a subsonic nozzle.2. Supersonic nozzle is a converging passage.3. Subsonic diffuser is a diverging passage.Q. Which of these statements is/are correct?a)1 and 2b)2 and-3c)1 aloned)3 aloneCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements:1. De Lavalnozzle is a subsonic nozzle.2. Supersonic nozzle is a converging passage.3. Subsonic diffuser is a diverging passage.Q. Which of these statements is/are correct?a)1 and 2b)2 and-3c)1 aloned)3 aloneCorrect answer is option 'D'. Can you explain this answer?.
Consider the following statements:1. De Lavalnozzle is a subsonic nozzle.2. Supersonic nozzle is a converging passage.3. Subsonic diffuser is a diverging passage.Q. Which of these statements is/are correct?a)1 and 2b)2 and-3c)1 aloned)3 aloneCorrect answer is option 'D'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Consider the following statements:1. De Lavalnozzle is a subsonic nozzle.2. Supersonic nozzle is a converging passage.3. Subsonic diffuser is a diverging passage.Q. Which of these statements is/are correct?a)1 and 2b)2 and-3c)1 aloned)3 aloneCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements:1. De Lavalnozzle is a subsonic nozzle.2. Supersonic nozzle is a converging passage.3. Subsonic diffuser is a diverging passage.Q. Which of these statements is/are correct?a)1 and 2b)2 and-3c)1 aloned)3 aloneCorrect answer is option 'D'. Can you explain this answer?.
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