Mechanical Engineering - Steam Nozzles and Turbines

Why Mechanical Engineering Steam Nozzles and Turbines?

In this section you can learn and practice Mechanical Engineering Questions based on "Steam Nozzles and Turbines" and improve your skills in order to face the interview, competitive examination and various entrance test (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc.) with full confidence.

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How to solve Mechanical Engineering Steam Nozzles and Turbines problems?

You can easily solve all kind of Mechanical Engineering questions based on Steam Nozzles and Turbines by practicing the objective type exercises given below, also get shortcut methods to solve Mechanical Engineering Steam Nozzles and Turbines problems.

Exercise :: Steam Nozzles and Turbines - Section 1

1. 

A nozzle is said to be a convergent nozzle

A. when the cross-section of the nozzle increases continuously from entrance to exit
B. when the cross-section of the nozzle decreases continuously from entrance to exit
C. when the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit
D. none of the above

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

2. 

A turbine is said to have an axial discharge when the steam leaves the blade tip at __________ to the direction of the blade motion.

A. 60°
B. 90°
C. 180°
D. 270°

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

3. 

The flow through a nozzle is regarded as

A. constant volume flow
B. constant pressure flow
C. isothermal flow
D. isentropic flow

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

4. 

The ratio of total useful heat drop to the total isentropic heat drop, is called

A. stage efficiency
B. internal efficiency
C. Rankine efficiency
D. none of these

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

5. 

The pressure at which the steam leaves the nozzle is known as back pressure.

A. Correct
B. Incorrect

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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