Power Plant Engineering (2171910) MCQs

MCQs of High Pressure Boilers

Showing 1 to 10 out of 32 Questions
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1.

What is the main advantage of the usage of high-pressure boilers in a thermal plant?

(a)

Lower price
(b)

Increase in efficiency
(c)

Only high-grade fuel can be burnt
(d)

None of the given
Answer:

Option (b)

2.

Which of the given boiler, the velocity of flue gases is greater than the velocity of sound?

(a)

Benson boiler
(b)

La-Mont boiler
(c)

Schmidt-Hartmann boiler
(d)

Velox boiler
Answer:

Option (d)

3.

What is the main disadvantage of Lamont boiler?

(a)

Less flexible in design
(b)

Low heat transfer rate
(c)

Formation of bubbles
(d)

Low steam generation capacity
Answer:

Option (c)

4.

What type of boiler is a Benson boiler?

(a)

Supercritical boiler
(b)

Fire-tube boiler
(c)

Natural circulation boiler
(d)

Over-through boiler
Answer:

Option (a)

5.

In which of the following boiler superheated steam used for evaporation of feedwater?

(a)

Velox
(b)

Benson
(c)

Loeffler
(d)

Lamont
Answer:

Option (c)

6.

The function of dolomite in the FBC system is

(a)

absorb CO2 formed during burning 
(b)

control fuel bed temperature 
(c)

absorb SO2 formed during burning 
(d)

absorb CO2 formed during burning and control fuel bed temperature 
Answer:

Option (d)

7.

The superheat temperature can be controlled by 

(a)

pre-condensing steam
(b)

tilting the burners
(c)

gas recirculation method
(d)

all of the given
Answer:

Option (d)

8.

In the super critical boiler, the pressure is

(a)

less than 150 bar
(b)

less than 200 bar
(c)

221 bar
(d)

more than 221 bar
Answer:

Option (d)

9.

The path of flue gases in the boiler is

(a)

Boiler – Economizer – Superheater – Air preheater
(b)

Boiler – Superheater – Air preheater – Economizer
(c)

Boiler – Air preheater – Superheater – Economizer
(d)

Boiler – Superheater – Economizer – Air preheater
Answer:

Option (d)

10.

Which of the following is a high-pressure boiler?

(a)

Lamont
(b)

Velox
(c)

Benson
(d)

All of the these
Answer:

Option (d)

Showing 1 to 10 out of 32 Questions
1 2 3 4