Furnace Technology Quiz Questions & Answers Pdf - 2

Question: 6

Which furnace employs natural draft?

(A) L.D. convertor

(B) Rotary kilns

(C) Coke oven

(D) High pressure boiler

Question: 7

_____ furnace is not an electric furnace.

(A) Pot

(B) Resistance

(C) Induction

(D) Arc

Question: 8

Combustion of fuel in a furnace with oxygen enriched air results in higher

(A) Stack loss

(B) Fuel consumption

(C) Flame temperature

(D) Flue gas volume

Question: 9

The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

(A) Slightly less

(B) Slightly more

(C) Much more

(D) Same

Question: 10

Which of the following will not conserve energy in a furnace?

(A) Addition of more burners

(B) Minimising excess air

(C) Preheating of stock/charge

(D) Preheating of combustion air