FURNACE TECHNOLOGY QUIZ

In a furnace operation, which is not preheated?

Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.)

Both A and B

Neither A nor B

Solid fuels

TRUE ANSWER : ?
YOUR ANSWER : ?

hich is the most thermally efficient furnace?

Reheating furnace

Reverberatory furnace

Boiler furnace

Rotary kilns

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is a directly fired intermittant furnace?

Tunnel kiln

Tower furnace

Walking beam reheating furnace

Reverberatory furnace

TRUE ANSWER : ?
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Which of the following is the most suitable for preheating combustion air above 650°C ?

Regenerator

Metallic recuperator

Ceramic recuperator

None of these

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Pot furnace which is either regenerative or recupterative, is used in the manufacture of

Glass

Stainless steel

Refractory bricks

Potteries

TRUE ANSWER : ?
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__________ atmosphere is maintained inside an iron blast furnace.

Decarburising

Inert

Reducing

Oxidising

TRUE ANSWER : ?
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Pulverised fuel fired furnaces employ __________ fuel firing.

All of these

Horizontal

Tangential

Vertical

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Artificial draught produced by a fan in the furnace can be controlled by the

Speed of the fan

Variation in the pitch of fan blades

Damper

All of these

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The heat recoverable from flue gases of furnaces depends on the

Thermal efficiency of furnace

Quantity of flue gases

Flue gas temperature drop through the furnace

All of these

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Furnace pressure is normally controlled by regulating the

Damper

Air pressure

Fuel gas pressure

Speed of I.D. fan

TRUE ANSWER : ?
YOUR ANSWER : ?

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