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-8 section-5

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

The high steam and low water safety valve is not used in

A) Cochran boiler B) Cornish boiler C) Lancashire boiler D) Locomotive boiler

Discuss

Answer & Solution

Answer: Option D

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

Which device is used in thermal power plants to reduce level of pollution?

A) Induced draft fan B) Smoke meter C) Chimney D) Precipitator

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Answer & Solution

Answer: Option D

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

The pressure at which latent heat of vaporization of water is zero, is

A) Below atmospheric pressure B) 1 kg/cm² C) 100 kg/cm² D) 225.6 kg/cm²

Discuss

Answer & Solution

Answer: Option D

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

The water tubes in a Babcock and Wilcox boiler are

A) Horizontal B) Vertical C) Inclined D) Horizontal and inclined

Discuss

Answer & Solution

Answer: Option C

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

For combustion of a fuel, following is essential

A) Correct fuel air ratio B) Proper ignition temperature C) O₂ to support combustion D) All the three above

Discuss

Answer & Solution

Answer: Option D

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

The diagram efficiency is the ratio of

A) Workdone on the blades to the energy supplied to the blades B) Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam C) Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam D) None of the above

Discuss

Answer & Solution

Answer: Option A

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

The nozzle efficiency is the ratio of

Discuss

Answer & Solution

Answer: Option C

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

The specific heat of superheated steam in kcal/kg is generally of the order of

A) 0.1 B) 0.3 C) 0.5 D) 0.8

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Answer & Solution

Answer: Option C

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

Efficiency of a thermal cycle increases by

A) Regeneration B) Reheating of steam C) Both (A) and (B) D) Cooling of steam

Discuss

Answer & Solution

Answer: Option C

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

The actual power generated in the engine cylinder is called

A) Indicated power B) Brake power C) Frictional power D) None of these

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