Steam Boilers, Engines, Nozzles And Turbines MCQ Questions & Answers

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Learn Steam Boilers, Engines, Nozzles And Turbines MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Steam Boilers, Engines, Nozzles And Turbines MCQ question is the important chapter for a Mechanical Engineering and GATE students. Page-5 section-2

Each section contains 100 MCQs on Steam Boilers, Engines, Nozzles and Turbines .

The velocity of whirl at outlet for an axial discharge turbine is

A) Minimum B) Maximum C) Zero D) None of these

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The draught produced by a steam jet issuing from a nozzle placed in the chimney is called

A) Induced steam jet draught B) Chimney draught C) Forced steam jet draught D) None of these

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Cochran boiler is a

A) Horizontal fire tube boiler B) Horizontal water tube boiler C) Vertical water tube boiler D) Vertical fire tube boiler

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

An economiser _________ the steam raising capacity of a boiler.

A) Increases B) Decreases C) Has no effect on D) None of these

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which of the following is required for a steam condensing plant?

A) Condenser B) Condensate pump C) Air extraction pump D) All of these

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

In an impulse reaction turbine, the pressure drops gradually and continuously over

A) Fixed blades B) Moving blades C) Both fixed and moving blades D) None of these

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which is not correct statement about the function of furnace?

A) To provide proper conditions for continuous complete combustion B) Mix fuel with air and ignite C) Separate ash from coal D) Maintain heat supply to prepare and ignite the incoming fuel

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The Parson's reaction turbine has

A) Only moving blades B) Only fixed blades C) Identical fixed and moving blades D) Fixed and moving blades of different shape

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The reheat factor depends upon

A) Initial pressure and superheat B) Exit pressure C) Turbine stage efficiency D) All of these

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

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Steam Boilers, Engines, Nozzles And Turbines MCQ Questions & Answers | Mechanical Engineering