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

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7

1.
The expansion of steam in a nozzle follows

A. Carnot cycle

B. Rankine cycle

C. Joule cycle

D. Stirling cycle

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2.
In a uniflow engine

A. Steam enters and exhausts through the same port

B. Steam enters at one end and exhausts at the centre

C. Steam enters at the centre and exhausts at the other end

D. None of the above

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3.
The mechanical draught _________ with the amount of smoke.

A. Increases

B. Decreases

C. Does not effect

D. None of these

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4.
Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of

A. Higher effectiveness of boiler

B. High calorific value coal being burnt

C. Fouling of heat transfer surfaces

D. Raising of steam temperature

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5.
A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.

A. Blow off cock

B. Fusible plug

C. Stop valve

D. Safety valve

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

1. The expansion of steam in a nozzle follows

Answer & Solution

2. In a uniflow engine

Answer & Solution

3. The mechanical draught _________ with the amount of smoke.

Answer & Solution

4. Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of

Answer & Solution

5. A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.

Answer & Solution

Read More Section(Steam Boilers, Engines, Nozzles and Turbines)

1.
The expansion of steam in a nozzle follows

2.
In a uniflow engine

3.
The mechanical draught _________ with the amount of smoke.

4.
Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of

5.
A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.