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Furnace Technology MCQs | Page - 9

Dear candidates you will find MCQ questions of Furnace Technology here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

R

Ram Sharma • 178.09K Points
Coach

Q. 81) Which furnace employs preheating, heating and soaking zones?

(A) Soaking pit
(B) Reheating furnace
(C) Open hearth furnace
(D) Cupola
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R

Ram Sharma • 178.09K Points
Coach

Q. 82) Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of

(A) Low emissivity
(B) High thermal conductivity
(C) Both A and B
(D) Neither A nor B
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R

Ram Sharma • 178.09K Points
Coach

Q. 83) Which is not accomplished in an underfired furnace?

(A) Increase in heating capacity/m2 of floor space
(B) Elimination of cold spot at the bottom of the charge
(C) Reduction in the temperature of furnace gases
(D) Portection of the periphery of the charge from excessive radiation
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R

Ram Sharma • 178.09K Points
Coach

Q. 84) Which is a continuous furnace?

(A) Coke ovens
(B) Annealing furnace
(C) Glass tank furnace
(D) None of these
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R

Ram Sharma • 178.09K Points
Coach

Q. 85) Which is not a hearth furnace?

(A) Glass tank furnace
(B) Open hearth furnace
(C) Cupola
(D) Reheating furnace
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R

Ram Sharma • 178.09K Points
Coach

Q. 86) Reheating furnace (pusher type) is used for heating

(A) Ingots
(B) Steel coils
(C) Steel sheets
(D) Slabs
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R

Ram Sharma • 178.09K Points
Coach

Q. 87) Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 

(A) 250
(B) 650
(C) 850
(D) 1000
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R

Ram Sharma • 178.09K Points
Coach

Q. 88) In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time?

(A) Recuperator
(B) Regenerator
(C) Waste heat boiler
(D) None of these
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R

Ram Sharma • 178.09K Points
Coach

Q. 89) Turndown ratio of a burner gives an idea of the __________ in the furnace.

(A) Range of fuel firing rates
(B) Volume of the combustion chamber
(C) Maximum heat input rate only
(D) Minimum heat input rate only
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R

Ram Sharma • 178.09K Points
Coach

Q. 90) Furnace aerodynamics is related to the __________ in the furnace.

(A) Movement of gases
(B) Measurement of flue gas volume
(C) Temperature control
(D) Pressure adjustment
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