Power Plant Engineering (2171910) MCQs

MCQs of High Pressure Boilers

Showing 21 to 30 out of 32 Questions
1 2 3 4
21.

Which of the following boilers has the highest heat transfer capacity?

(a)

Subcritical boiler
(b)

Critical boiler
(c)

Forced circulation boiler
(d)

Supercritical boiler
Answer:

Option (d)

22.

What is the major disadvantage of the Benson boilers?

(a)

Boiler is big in size
(b)

Has large storage capacity
(c)

Deposition of salts
(d)

Bubble formation
Answer:

Option (c)

23.

Which of the given boilers is drumless?

(a)

Benson boiler
(b)

Loeffler boiler
(c)

Schmidt-Hartmann boiler
(d)

Velox boiler
Answer:

Option (a)

24.

Where is the evaporator drum located in the Loeffler boiler?

(a)

Inside of the boiler
(b)

Right above the furnace
(c)

Before the feedwater pump
(d)

Outside of boiler
Answer:

Option (d)

25.

Which of the following boiler suitable for marine applications?

(a)

Schmidt-Hartmann
(b)

Benson
(c)

Lamont
(d)

Loeffler
Answer:

Option (d)

26.

The salt deposition problem can be avoided by using

(a)

Loeffler boiler
(b)

Benson boiler
(c)

Schmidt-Hartmann boiler
(d)

None of the these
Answer:

Option (a)

27.

What is the feature of the Loffler boilers?

(a)

Evaporating water by superheated steam
(b)

Provide better efficiency by re-circulating gas coming out of the turbine
(c)

Produce better steam quality by heating the boiler furnace above critical degrees
(d)

Eliminate the extra components used
Answer:

Option (a)

28.

How many circuits are there in the Schmidt-Hartmann boiler?

(a)

3
(b)

2
(c)

4
(d)

6
Answer:

Option (b)

29.

A fluidized bed boiler can successfully burn coal with ash contents as high as

(a)

10%
(b)

30%
(c)

55%
(d)

70%
Answer:

Option (d)

30.

A fluidised bed may be defined as the bed of ______ particles.

(a)

Liquid
(b)

Solid
(c)

Gaseous
(d)

All of the given
Answer:

Option (b)

Showing 21 to 30 out of 32 Questions
1 2 3 4