Regenerators are normally provided in the

Coke oven regenerators are made of __________ bricks.

A

Fire clay

B

Silica

C

Low thermal conductivity

D

High electrical conductivity

Regenerators compared to the recuperators for the same duty

A

Occupy more space

B

Are less costly

C

Are of smaller size

D

All of the above

Regenerators as compared to recuperators for the same duty

A

Store smaller quantity of waste heat

B

Are lighter & compact

C

Involve higher initial cost

D

All of the above

Regenerators are installed in

A

Coke ovens

B

Open hearth furnace

C

Both A & B

D

Neither A nor B

Regenerators are used for waste heat recovery in

A

By-product coke ovens

B

Beehive coke oven

C

Blast furnace stoves

D

Soaking pits

Which of the following protection is normally not provided on small distribution transformers?

A

Overfluxing protection

B

Buchholz relay

C

Overcurrent protection

D

All of the above

Which of the following services does not normally use TCP?

A

DNS

B

HTTP

C

FTP

D

none

Coffee A costs 75 cents per pound. It is mixed with Coffee B, which normally costs 80 cents per pound, to form a mixture that costs 78 cents per pound. If there are 10 pounds of the mix, how many pounds of Coffee A were used in the mix?

A

3

B

4

C

4.5

D

5

In a certain shop, notebooks that normally sell for BDT 1.50 each are on sale at 2 for BDT 2.89 . How much can be saved by purchasing 10 of these notebooks at the sale price?

A

BDT 1.00

B

BDT. 0.85

C

BDT 0.65

D

BDT 0.55

Computer Memory is normally measured in :

A

Kilobytes

B

Megabytes

C

Gigabytes

D

Terabytes

Regenerators are normally provided in the

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