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Furnace Technology Online Exam Quiz

Important questions about Furnace Technology. Furnace Technology MCQ questions with answers. Furnace Technology exam questions and answers for students and interviews.

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


A : a. conduction

B : b. convection

C : c. radiation

D : d. can not be predicted.

In practical operation of any furnace, zero oxygen percentage or theoretical CO? percentage in flue gas is rarely achieved, because of


A : a. use of non-preheated combustion air.

B : b. use of pulverised solid fuels.

C : c. imperfect mixing of fuel & air and infiltration of air.

D : d. use of excessive positive draft in the furnace.

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