FURNACE TECHNOLOGY QUIZ

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

Premix

Outside mixing type

Diffusion

Rotary

TRUE ANSWER : ?
YOUR ANSWER : ?

Pulverised fuel fired furnaces employ __________ fuel firing.

Tangential

All of these

Vertical

Horizontal

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YOUR ANSWER : ?

Maximum heat transfer in high temperature furnaces is by

Conduction

Either A, B or C; depends on the type of furnace

Convection

Radiation

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YOUR ANSWER : ?

Reheating furnace (pusher type) is used for heating

Steel sheets

Ingots

Steel coils

Slabs

TRUE ANSWER : ?
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Combustion of fuel in a furnace with oxygen enriched air results in higher

Stack loss

Fuel consumption

Flame temperature

Flue gas volume

TRUE ANSWER : ?
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Reducing atmosphere is maintained in a

Soaking pit

L.D. converter

Blast furnace

Calcination kiln

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Regenerators are normally provided in the

Glass melting furnace

Open hearth furnace

All of these

By product coke ovens

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Fuel economy in furnaces can be achieved by

Using oxygen enriched combustion air

All of these

Reducing the heat loss through furnace openings & doors

Preheating the combustion air

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An example of shaft furnace is the

L.D. converter

Soaking pit

Blast furnace

Glass melting tank

TRUE ANSWER : ?
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Neutral atmosphere is maintained in a/an __________ furnace.

Soaking pit

Open hearth

Cold rolled steel coil annealing

Walking beam reheating

TRUE ANSWER : ?
YOUR ANSWER : ?

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