Power Plant Engineering (2171910) MCQs

MCQs of Coal and Ash Handling Systems

Showing 21 to 30 out of 55 Questions
21.

What is the function of grab bucket conveyor in coal handling?

(a)

To lift the coal vertically

(b)

To crush the coal

(c)

To move coal from one place to another

(d)

To separate crushed coal and powdered coal

Answer:

Option (c)

22.

Out of all conveyors which type of conveyor has a greater capacity to convey a large amount of coal?

(a)

Belt conveyor

(b)

Chain conveyor

(c)

Screw conveyor

(d)

Scraper conveyor

Answer:

Option (a)

23.

What is the distance at which belt conveyors can convey?

(a)

100 m

(b)

200 m

(c)

50 m

(d)

500 m

Answer:

Option (d)

24.

To what is helicoids screw in a screw conveyor is attached?

(a)

To the shaft

(b)

To the inner case

(c)

To the bearings

(d)

To the outer casing

Answer:

Option (a)

25.

In what speed range does the screw conveyor run at?

(a)

60 – 80 rpm

(b)

20 – 100 rpm

(c)

60 – 120 rpm

(d)

90 – 180 rpm

Answer:

Option (c)

26.

Which type of conveyor has a shorter lifespan?

(a)

Flight conveyor

(b)

Belt conveyor

(c)

Screw conveyor

(d)

Grab bucket conveyor

Answer:

Option (a)

27.

 Which type of weigher is commonly used all over the world?

(a)

Electronic weighers

(b)

Mechanical weighers

(c)

Pneumatic weighers

(d)

Nuclear weighers

Answer:

Option (b)

28.

The most common method used for burning of coal is 

(a)

Stroker firing

(b)

Pulverized fuel firing

(c)

Hand firing

(d)

Both stroker firing and pulverized fuel firing

Answer:

Option (d)

29.

A ‘stroker’ is a power-operated fuel_____________ mechanism.

(a)

burning

(b)

feeding

(c)

handling

(d)

storage

Answer:

Option (b)

30.

In the spreader stroker, secondary air is supplied

(a)

through holes

(b)

through nozzles

(c)

from the bottom side

(d)

any of the these

Answer:

Option (b)

Showing 21 to 30 out of 55 Questions