In all the examinations, there must be multiple-choice questions. In this article, I will display some Multiple-Choice Questions on Steam Nozzle that will boost you in your coming examinations.

In the last section, there is a Quiz on Steam Nozzle. Appear for the test and fall in love with studying a lot of objective-type questions.

To download this MCQ sheet, you have to reach the end of this page. There you will find a PDF downloadable button. Click here and download the PDF version of this sheet.

So now let’s start the objective-type questions or viva questions on Steam Nozzle.

## MCQ questions or Viva Questions on Steam Nozzle

- Heat energy of steam is converted into ______ energy in a steam nozzle.

- Potential energy
- Kinetice energy
- Electric energy
- None of these

Ans: (2)

- When the cross section of a nozzle decreases continuously from entrance to exit, it is called a ____.

- Convergent nozzle
- Divergent nozzle
- Convergent-divergent nozzle
- None of these

Ans: (1)

- When the cross section of a nozzle increases continuously from entrance to exit, it is called a ____.

- Convergent nozzle
- Divergent nozzle
- Convergent-divergent nozzle
- None of these

Ans: (2)

- When the cross section of a nozzle first decreases and then increases, it is called a ____.

- Convergent nozzle
- Divergent nozzle
- Convergent-divergent nozzle
- None of these

Ans: (3)

- The smallest section of the nozzle is known as ____.

- Convergent portion
- Divergent portion
- Throat
- Both (1) and (2)

Ans: (3)

- Steam enters the nozzle with ____ pressure and ____ velocity.

- Low,high
- Low,low
- High,high
- High,low

Ans: (4)

- Steam leaves the nozzle with ____ pressure and ____ velocity.

- Low,high
- Low,low
- High,high
- High,low

Ans: (1)

- The back pressure of nozzle is ____.

- The pressure at which steam enters the nozzle
- The pressure at throat
- The pressure at which steam leaves the nozzle
- None of these

Ans: (3)

- Nozzle efficiency is the ratio of ____.

- Isentropic heat drop and useful heat drop
- Useful heat drop and isentropic heat drop
- None of these

Ans: (2)

- How does the friction in a nozzle effects the dryness fraction of steam?

- It does not effect
- Friction decreases the dryness fraction
- Friction increases the dryness fraction
- None of these

Ans: (3)

- The exit velocity of steam in the nozzle (V) is ____(where k is nozzle coefficient and h
_{d }– enthalpy drop during expansion)

- 72.44(K-h
_{d}) - 44.72 sqrt(Kh
_{d}) - 72.44(K+h
_{d}) - 44.72 sqrt(K/h
_{d})

Ans: (2)

- On which of the following parameters, the discharge in a convergant-divergant nozzle depends upon?

- The area of the nozzle at throat
- Initial conditions of the steam
- Exit conditions of the steam
- Both (1) and (2)

Ans: (4)

- When the steam is initially dry saturated, the critical pressure ratio is ____.

- 1.135
- 1.582
- 0.577
- 0.135

Ans: (3)

- When the steam is initially superheated, which value you will choose for the critical pressure ratio?

- 0.577
- 0.546
- 0.582
- 0.528

Ans: (2)

- For initially wet steam, which value will you choose for critical pressure ratio?

- 0.577
- 0.546
- 0.582
- 0.528

Ans: (3)

- For gases, which value will you choose for critical pressure ratio?

- 0.577
- 0.546
- 0.582
- 0.528

Ans: (4)

- For initially dry saturated steam, which is the right formula?

- M
_{max}= 0.637A sqrt(p_{1}/v_{1}) - M
_{max}= 0.666A sqrt(p_{1}/v_{1}) - M
_{max}= 0.685A sqrt(p_{1}/v_{1}) - M
_{max}= 0.582A sqrt(p_{1}/v_{1})

Ans: (1)

- For initially superheated steam, which is the right formula?

- M
_{max}= 0.637A sqrt(p_{1}/v_{1}) - M
_{max}= 0.666A sqrt(p_{1}/v_{1}) - M
_{max}= 0.685A sqrt(p_{1}/v_{1}) - M
_{max}= 0.582A sqrt(p_{1}/v_{1})

Ans: (2)

- For initially dry saturated steam, which is the right formula?

- M
_{max}= 0.637A sqrt(p_{1}/v_{1}) - M
_{max}= 0.666A sqrt(p_{1}/v_{1}) - M
_{max}= 0.685A sqrt(p_{1}/v_{1}) - M
_{max}= 0.582A sqrt(p_{1}/v_{1})

Ans: (1)

- For gases, which is the right formula?

- M
_{max}= 0.637A sqrt(p_{1}/v_{1}) - M
_{max}= 0.666A sqrt(p_{1}/v_{1}) - M
_{max}= 0.685A sqrt(p_{1}/v_{1}) - M
_{max}= 0.582A sqrt(p_{1}/v_{1})

Ans: (3)

## Quiz on Steam Nozzle

Here is the Quiz for you.

## Conclusion

I hope that the Multiple-Choice Questions on Steam Nozzle will help you in your college/university examinations and different types of competitive examinations. I will be more encouraged if I get feedback from your end. Please don’t forget to give the feedback by writing in the comment box. Good Luck!

Very nice mcq question

Thank you so much!!