Furnace Technology MCQs
Practice free Furnace Technology multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 165 questions — no login required.
Question 127medium
The purpose of controlling the furnace atmosphere is to prevent surface attack by
Question 128medium
Regenerators are used for waste heat recovery in
Question 129medium
The heat recoverable from flue gases of furnaces depends on the
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Question 130easy
Shaft furnaces are used for
Question 131medium
Reheating furnace (pusher type) is used for heating
Question 132hard
Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C.
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Question 133hard
In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time?
Question 134hard
Turndown ratio of a burner gives an idea of the __________ in the furnace.
Question 135medium
Furnace aerodynamics is related to the __________ in the furnace.