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-4 section-3

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

In locomotives, the draught is produced by

A) Chimney B) Induced draft fan C) Both combined (A) and (B) D) Steam jet draught

Discuss

Answer & Solution

Answer: Option D

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

In designing air preheaters, the important design consideration is that

A) Approach temperature should be as low as possible B) Handling and maintenance should be easier C) Heat transfer area should be optimum D) Stack gases should not be cooled to the dew point

Discuss

Answer & Solution

Answer: Option D

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

Which of the following are boiler accessories?

A) Economizer B) Superheater C) Both (A) and (B) D) None of these

Discuss

Answer & Solution

Answer: Option C

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

The selection of type and size of a steam boiler depends upon

A) The power required and working pressure B) The geographical position of the power house C) The fuel and water available D) All of the above

Discuss

Answer & Solution

Answer: Option D

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

An economiser is installed in a boiler primarily to

A) Superheat the steam B) Reduce fuel consumption C) Increase steam pressure D) All of these

Discuss

Answer & Solution

Answer: Option B

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

A fusible plug is fitted in small boilers in order to

A) Avoid excessive build up of pressure B) Avoid explosion C) Extinguish fire if water level in the boiler falls below alarming limit D) Control steam dome

Discuss

Answer & Solution

Answer: Option C

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

Presence of moisture in fuel oil would

A) Keep the burner tips cool B) Aid in proper combustion C) Because sputtering, possibly extinguishing flame D) Clean the nozzles

Discuss

Answer & Solution

Answer: Option C

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

Which of the following varieties of coals is mostly used in steam boilers?

A) Non-coking bituminous coal B) Brown coal C) Peat D) None of the above

Discuss

Answer & Solution

Answer: Option D

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

Steam turbines are used for

A) Large marine propulsion B) Electric power generation C) Direct drive of fans, compressors, pumps D) All of these

Discuss

Answer & Solution

Answer: Option D

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

For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine.

A) Equal to B) Twice C) Three times D) Four times

Discuss

Answer & Solution

Answer: Option B

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