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-3

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

A single acting steam engine produces __________ power than that of double acting steam engine.

A) Equal B) Half C) Double D) Four times

Discuss

Answer & Solution

Answer: Option B

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

During storage, the heating value of coal

A) Increases B) Decreases C) Remain constant D) May increase or decrease depending upon the method of storage

Discuss

Answer & Solution

Answer: Option B

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

The equivalent evaporation is defined as

A) The ratio of heat actually used in producing the steam to the heat liberated in the furnace B) The amount of water evaporated or steam produced in kg per kg of fuel burnt C) The amount of water evaporated from and at 100°C into dry and saturated steam D) The evaporation of 15.653 kg of water per hour from and at 100°C

Discuss

Answer & Solution

Answer: Option C

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

A safety valve usually employed with stationary boilers is

A) Lever safety valve B) Dead weight safety valve C) High steam and low water safety valve D) All of these

Discuss

Answer & Solution

Answer: Option D

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

The process of maintaining the speed of the turbine constant for various load conditions, is known as

A) Bleeding B) Reheating C) Governing D) None of these

Discuss

Answer & Solution

Answer: Option C

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

A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as

A) Blow off cock B) Fusible plug C) Superheater D) Stop valve

Discuss

Answer & Solution

Answer: Option D

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

Boiler H.P. is defined as the

A) Steam evaporation rate per kg of fuel fired B) Work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam C) The evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam D) Work done by 1 kg of steam at saturation condition

Discuss

Answer & Solution

Answer: Option C

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

The relative efficiency is defined as the

A) Ratio of thermal efficiency to Rankine efficiency B) Ratio of brake power to the indicated power C) Ratio of heat equivalent to indicated power to the energy supplied in steam D) Product of thermal efficiency and Rankine efficiency

Discuss

Answer & Solution

Answer: Option A

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

The indicated thermal efficiency is defined as the

A) Ratio of thermal efficiency to the Rankine efficiency B) Ratio of brake power to the indicated power C) Ratio of heat equivalent to indicated power to the energy supplied in steam D) Product of thermal efficiency and Rankine efficiency

Discuss

Answer & Solution

Answer: Option C

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

On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by

A) Horizontal straight line B) Vertical straight line C) Straight inclined line D) Curved line

Discuss

Answer & Solution

Answer: Option A

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