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-9 section-2

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

Which of the following statement is correct?

A) The expansion of steam in a nozzle follows Rankine cycle B) The friction in the nozzle increases the dryness fraction of steam C) The pressure of steam at throat is called critical pressure D) All of the above

Discuss

Answer & Solution

Answer: Option D

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

Which of the following statement is correct?

A) A horizontal steam engine requires less floor area than a vertical steam engine B) The steam pressure in the cylinder is not allowed to fall below the atmospheric pressure C) The compound steam engines are generally non-condensing steam engines D) All of the above

Discuss

Answer & Solution

Answer: Option B

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

Which of the following statement is correct?

A) Lancashire boiler is a fire tube boiler B) Fire tube boilers are internally fired C) Babcock and Wilcox boiler is a water tube boiler D) All of the above

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Answer & Solution

Answer: Option D

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

Which of the following statement is correct?

A) A fire tube boiler occupies less space than a water tube boiler, for a given power B) Steam at a high pressure and in large quantities can be produced with a simple vertical boiler C) A simple vertical boiler has one fire tube D) All of the above

Discuss

Answer & Solution

Answer: Option C

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

The change in internal energy in steam engines equals to

A) Work done during the Rankine cycle B) Work done during compression C) Work done during adiabatic expansion D) Change in enthalpy

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Answer & Solution

Answer: Option A

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Spontaneous combustion is a phenomenon in which

A) All the fuel burns instantaneously producing high energy release B) Fuel burns with less air C) Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal D) Explosion in furnace

Discuss

Answer & Solution

Answer: Option C

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If partial pressure of air and steam be ‘pa’ and ‘ps’ respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to

A) ps - pa B) pa - ps C) pa + ps D) None of these

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Answer & Solution

Answer: Option C

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

The actual vacuum in a condenser is equal to

A) Barometric pressure + actual pressure B) Barometric pressure - actual pressure C) Gauge pressure + atmospheric pressure D) Gauge pressure - atmospheric pressure

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Answer & Solution

Answer: Option B

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In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is

A) 0.007 bar B) 0.053 bar C) 0.06 bar D) 0.067 bar

Discuss

Answer & Solution

Answer: Option D

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

The condition of steam in boiler drum is always

A) Dry B) Wet C) Saturated D) Supersaturated

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