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ESP & FGD

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

ESP controls which emission parameter

a)

SPM

b)

SOX

c)

NOX

d)

None

2.

ESP fields are energized with which type of current

a)

AC

b)

DC

c)

Both

d)

None

3.

FGD size depends on amount of Suplhur content in coal

a)

True

b)

False

4.

What type of FGD is used in Hassyan

a)

Wet

b)

Dry

c)

Both

d)

None

5.

Absorbent used in FGD is sea water for Hassyan

a)

True

b)

False

6.

ESP collects ash on only collecting plates

a)

True

b)

False

7.

ESP ash resistivity is dependent on FG temp

a)

True

b)

False

8.

sea water used in FGD comes from

a)

MCW

b)

CCW

c)

OCW

d)

None

9.

ESP rapping mechanism is only for collecting plates

a)

True

b)

False

10.

GGH in FGD is of which type heat exchanger

a)

Tube & shell type

b)

Rotary type

c)

Tubular Type

d)

None

11.

ESP efficiency will be less when FG quantity is _______

a)

Less

b)

More

12.

GGH is used so that stack lift is

a)

Decreased

b)

Increased

c)

None

13.

ESP transformer voltage range is

a)

10-50kv

b)

20-40kv

c)

30-60kv

d)

20-60kv

14.

Absorber tower has how many absorber pumps

a)

2

b)

4

c)

3

d)

5

15.

DO is measured in sea water before sending back to sea

a)

True

b)

False

16.

When FG quantity through ESP is increased, velocity of FG

a)

Decreases

b)

increases

c)

None

17.

Temp of FG entering FGD is around

a)

130 deg

b)

140 deg

c)

145 deg

d)

150 deg

18.

in stage-2 process of FGD which medium is used

a)

Sea water

b)

air

c)

Lime

d)

None

19.

Conservation mode of GGH is used when FGD is in service

a)

True

b)

False

20.

Mist eliminator is located where in absorber tower

a)

Bottom

b)

Middle

c)

Top

d)

None