FURNACE TECHNOLOGY QUIZ

Recuperator is

Heavier than regenerator meant for the same duty

A continuous waste heat recovery equipment

Not used for fuel gas preheating

An intermittant waste heat recovery equipment

TRUE ANSWER : ?
YOUR ANSWER : ?

The heating capacity of muffle furnace depends on the

Both A & B

Properties of the muffle wall (temperature, area, emissivity)

Surface area & emissivity of the stock

Neither A nor B

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Economiser

Steam superheater

All of these

Air preheater

TRUE ANSWER : ?
YOUR ANSWER : ?

Large tonnage of refractory bricks are dried in a

Shaft furnace

Muffle furnace

Rotary hearth furnace

Tunnel kiln

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is a rotary furnace?

Soaking pit

Lime kiln

Annealing furnace

Stoves

TRUE ANSWER : ?
YOUR ANSWER : ?

Fuel used in B.F. stove is

Coke oven gas

Pulverised coal

Blast furnace gas/mixed gas

Furnace oil

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not an additive for flue gases from furnace to reduce its dew-point?

Ammonia

Fine dolomite

Alkaline powders

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by

Convection

Can not be predicted

Radiation

Conduction

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ furnace is not an electric furnace.

Resistance

Arc

Pot

Induction

TRUE ANSWER : ?
YOUR ANSWER : ?

While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C.

3000

2000

6000

4500

TRUE ANSWER : ?
YOUR ANSWER : ?

↑