Furnace Technology Quiz Questions & Answers Pdf - 1

Question: 1

Recuperator is

(A) A continuous waste heat recovery equipment

(B) Heavier than regenerator meant for the same duty

(C) An intermittent waste heat recovery equipment

(D) Not used for fuel gas preheating

Question: 2

_____ atmosphere is maintained inside an iron blast furnace.

(A) Decarburising

(B) Inert

(C) Oxidising

(D) Reducing

Question: 3

An economiser is provided to reuse flue gas heat for preheating the

(A) Boiled feed water

(B) Combustion air

(C) Stock

(D) Fuel

Question: 4

Which of the following relatively employs highest heat transfer surface area in a high pressure boiler?

(A) Furnace of water wall

(B) Stearm superheater

(C) Economiser

(D) Air preheater

Question: 5

An example of shaft furnace is

(A) Blast furnace

(B) Soaking pit

(C) Glass melting tank

(D) L.D. converter