FURNACE TECHNOLOGY QUIZ

Which of the following is a periodic furnace?

Tunnel kiln

Soaking pit

Reheating furnace

Rotary kiln

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a directly fired furnace?

Open hearth furnace

By-product coke oven

Calcination kiln

Sintering furnace

TRUE ANSWER : ?
YOUR ANSWER : ?

Reheating furnace (pusher type) is used for heating

Steel sheets

Slabs

Steel coils

Ingots

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ furnace is not an electric furnace.

Arc

Induction

Resistance

Pot

TRUE ANSWER : ?
YOUR ANSWER : ?

The heating capacity of muffle furnace depends on the

Both A & B

Neither A nor B

Surface area & emissivity of the stock

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

TRUE ANSWER : ?
YOUR ANSWER : ?

Furnace aerodynamics is related to the __________ in the furnace.

Measurement of flue gas volume

Pressure adjustment

Temperature control

Movement of gases

TRUE ANSWER : ?
YOUR ANSWER : ?

Acid dew point temperature (ADT) of a flue gas produced by the combustion of a fuel containing 1% sulphur may be about __________ °C.

250

80

180

130

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Combustion air

Feedwater

Furnace oil

Pulverised coal

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one is not an induced draught furnace?

None of these

Sintering furnace

High pressure boiler

Blast furnace stove

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing?

Erosion of induced draft fan blades

Excessive fly ash discharge from the stack

Ash disposal problem

Higher power consumption in its transportation

TRUE ANSWER : ?
YOUR ANSWER : ?

↑