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-1

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

The diagram factor is the ratio of the

A) Area of the actual indicator diagram to the area of theoretical indicator diagram B) Actual workdone per stroke to the theoretical workdone per stroke C) Actual mean effective pressure to the theoretical mean effective pressure D) Any one of the above

Discuss

Answer & Solution

Answer: Option D

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

Sublimation region is the region where

A) Solid and vapor phases are in equilibrium B) Solid and liquid phases are in equilibrium C) Liquid and vapor phases are in equilibrium D) Solid, liquid and vapor phases are in equilibrium

Discuss

Answer & Solution

Answer: Option A

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

In reaction turbines, the axial thrust is due to

A) Pressure drop across the rotor B) Change in axial velocity C) Both (A) and (B) D) None of these

Discuss

Answer & Solution

Answer: Option C

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

In a nozzle, whole frictional loss is assumed to occur between

A) Inlet and throat B) Inlet and outlet C) Throat and exit D) All of these

Discuss

Answer & Solution

Answer: Option C

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

Water tube boilers are

A) Internally fired B) Externally fired C) Internally as well as externally fired D) None of these

Discuss

Answer & Solution

Answer: Option B

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

Fire tube boilers are

A) Internally fired B) Externally fired C) Internally as well as externally fired D) None of these

Discuss

Answer & Solution

Answer: Option A

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

The feed check valve is used in order to

A) Regulate flow of boiler water B) Check level of water in boiler drum C) Recirculate unwanted feed water D) Allow high pressure feed water to flow to drum and not allow reverse flow to take place

Discuss

Answer & Solution

Answer: Option D

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

The ratio of the volume at cut-off to the swept volume is called

A) Cut-off ratio B) Expansion ratio C) Clearance ratio D) None of these

Discuss

Answer & Solution

Answer: Option A

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

The ratio of the clearance volume to the swept volume is called

A) Cut-off ratio B) Expansion ratio C) Clearance ratio D) None of these

Discuss

Answer & Solution

Answer: Option C

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

An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades.

A) Equal B) Less C) More D) None of these

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