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-10 section-3

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

Efficiency of Rankine cycle can be increased by

A) Decreasing initial steam pressure and temperature B) Increasing exhaust pressure C) Decreasing exhausts pressure D) Increasing the expansion ratio

Discuss

Answer & Solution

Answer: Option A

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

Benson boiler requires

A) No drum B) One drum C) Two drums D) Three drums

Discuss

Answer & Solution

Answer: Option A

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

Sulphur in coal results in

A) Corroding air heaters B) Spontaneous combustion during coal storage C) Facilitating ash precipitation D) All of the above

Discuss

Answer & Solution

Answer: Option D

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

In an impulse turbine

A) The steam is expanded in nozzles only and there is a pressure drop and heat drop B) The steam is expanded both in fixed and moving blades continuously C) The steam is expanded in moving blades only D) The pressure and temperature of steam remains constant

Discuss

Answer & Solution

Answer: Option A

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

The state of vapor under saturation condition is described by

A) Pressure alone B) Temperature alone C) Pressure and temperature D) Pressure and dryness fraction

Discuss

Answer & Solution

Answer: Option D

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

With increase in load, convection superheater has

A) Drooping characteristic B) Linear characteristic C) Rising characteristic D) Flat characteristic

Discuss

Answer & Solution

Answer: Option C

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

O₂ content in atmospheric air on volume basis is

A) 21% B) 23% C) 30% D) 40%

Discuss

Answer & Solution

Answer: Option A

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

O₂ content in atmospheric air on weight basis is

A) 21% B) 23% C) 30% D) 40%

Discuss

Answer & Solution

Answer: Option B

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

The balanced draft furnace is one using

A) Induced draft fan and chimney B) Induced draft fan and forced draft fan C) Forced draft fan and chimney D) Any one of the above

Discuss

Answer & Solution

Answer: Option B

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

100

The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as

A) Equivalent evaporation B) Factor of evaporation C) Boiler efficiency D) Power of a boiler

Discuss

Answer & Solution

Answer: Option C

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