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

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

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-1 section-5

Curtis turbine is a

A) Simple reaction turbine B) Velocity compounded turbine C) Pressure compounded turbine D) Pressure-velocity compounded turbine

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Answer & Solution

Answer: Option D

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Hygrometry deals with the

A) Hygroscopic substances B) Water vapor in air C) Temperature of air D) Pressure of air

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Answer: Option B

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De-Laval turbines are mostly used

A) Where low speeds are required B) For small power purposes and low speeds C) For large power purposes D) For small power purposes and high speeds

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Answer: Option D

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Caking coals are those which

A) Form lumps or masses of coke B) Burn freely C) Show little or no fusing action D) Burn completely

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Answer & Solution

Answer: Option A

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Size of boiler tubes is specified by

A) Mean diameter and thickness B) Inside diameter and thickness C) Outside diameter and thickness D) Outside diameter and inside diameter

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Answer: Option C

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The performance of a boiler is measured by the

A) Amount of water evaporated per hour B) Steam produced in kg/h C) Steam produced in kg/kg of fuel burnt D) All of these

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Answer: Option D

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The diameter of fire tubes in Cochran boiler is of the order of

A) 2 cm B) 6 cm C) 8 cm D) 12 cm

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Answer & Solution

Answer: Option B

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The length of Cornish boiler is of the order of

A) 24 m B) 35 m C) 57.5 m D) 79 m

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Answer: Option C

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Thermal efficiency of a thermal power plant is of the order of

A) 15% B) 20% C) 30% D) 45%

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Answer: Option C

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The diameter of Cornish boiler is of the order of

A) 1 - 2 m B) 1.5 - 2.5 m C) 2 - 3 m D) 2.5 - 3.5 m

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Answer & Solution

Answer: Option A

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