FURNACE TECHNOLOGY QUIZ

An example of shaft furnace is the

Soaking pit

L.D. converter

Blast furnace

Glass melting tank

TRUE ANSWER : ?
YOUR ANSWER : ?

Combustion of fuel in a furnace with oxygen enriched air results in higher

Stack loss

Flue gas volume

Fuel consumption

Flame temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of

Blast furnace gas with oxygen

Blast furnace gas with air

Furnace oil with air

Furnace oil with oxygen

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ is an indirectly heated furnace.

Open hearth furnace

Reheating furnace

Muffle furnace

Soaking pit

TRUE ANSWER : ?
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Rotary kilns are used in the

Cement manufacture

Calcination of limestone & dolomite

Neither A nor B

Both A and B

TRUE ANSWER : ?
YOUR ANSWER : ?

If fuel and air are mixed ahead of the burner, it is called a/an __________ burner.

Rotary

Outside mixing type

Premix

Diffusion

TRUE ANSWER : ?
YOUR ANSWER : ?

The function of an economiser in a boiler is to preheat the

Feedwater

Pulverised coal

Combustion air

Furnace oil

TRUE ANSWER : ?
YOUR ANSWER : ?

In a muffle furnace, the muffle

Permits the use of controlled atmosphere for the protection of stock

All of these

Assists in temperature equalisation in the charge

Retards the heat transfer

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one shows the diagramatic heat balance in a furnace?

Ostwald chart

Sankey diagram

None of these

Cox chart

TRUE ANSWER : ?
YOUR ANSWER : ?

Means for giving direction to the circulation of gases in furnaces are

Arrangement of heating stock in the furnaces

Location of outlet ports and heating & combustion devices

All of these

Fans

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YOUR ANSWER : ?

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