Power Plant Engineering (2171910) MCQs

MCQs of Coal and Ash Handling Systems

Showing 51 to 55 out of 55 Questions
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51.

What is the use of baffles in the gravitational separators?

(a)

To separate types of dust
(b)

To settle the dust by letting them to strike
(c)

To control the flow of dust particles
(d)

To blow the dust
Answer:

Option (b)

52.

What is the most effective advantage of gravitational separators?

(a)

They consume no power
(b)

They just need a small amount of space for the operation
(c)

They are cost effective
(d)

Time taken for operation is very less
Answer:

Option (c)

53.

Which principle does cyclone separator use?

(a)

Gravitational force
(b)

Vortex velocity
(c)

Inertia
(d)

Temperatures of air
Answer:

Option (c)

54.

Cyclone separators are also known as __________.

(a)

Twist cleaners
(b)

Squall
(c)

Pre-cleaners
(d)

Zephyr cleaners
Answer:

Option (c)

55.

What is the range of particulate removing efficiency of cyclone separators?

(a)

50-99%
(b)

20-80%
(c)

70-90%
(d)

70-95%
Answer:

Option (a)

Showing 51 to 55 out of 55 Questions
3 4 5 6