FURNACE TECHNOLOGY QUIZ

Which is a continuous furnace?

Glass tank furnace

None of these

Coke ovens

Annealing furnace

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is a regenerative furnace?

Coke oven heating chamber

Open hearth furnace

Neither A nor B

Both A and B

TRUE ANSWER : ?
YOUR ANSWER : ?

Waste heat from the outgoing flue gases in a thermal power plant is recovered by a/an

Economiser

Air preheater

All of these

Steam superheater

TRUE ANSWER : ?
YOUR ANSWER : ?

Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by

Preheating the fuel gas

Preheating the combustion air

All of these

Oxygen enrichment of combustion air

TRUE ANSWER : ?
YOUR ANSWER : ?

Recuperator is

Heavier than regenerator meant for the same duty

Not used for fuel gas preheating

A continuous waste heat recovery equipment

An intermittant waste heat recovery equipment

TRUE ANSWER : ?
YOUR ANSWER : ?

Heat balance of furnace provides means of determining the

All of these

Sources of heat losses

Thermal efficiency of the process

Scope of reduction of heat losses

TRUE ANSWER : ?
YOUR ANSWER : ?

An improved and fuel efficient version of the pusher type reheating furnace is the __________ furnace.

Rotary hearth

Shaft

Walking beam

Tunnel

TRUE ANSWER : ?
YOUR ANSWER : ?

Design of waste heat boiler for recovery of waste heat from furnace gases depends upon the

Quantity & temperature of waste gas

All of these

Dust concentration & nature of dust in waste gas

Corrosive nature of the waste gas

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Location of outlet ports and heating & combustion devices

All of these

Fans

Arrangement of heating stock in the furnaces

TRUE ANSWER : ?
YOUR ANSWER : ?

Fuel used in B.F. stove is

Blast furnace gas/mixed gas

Pulverised coal

Coke oven gas

Furnace oil

TRUE ANSWER : ?
YOUR ANSWER : ?

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