Chemical Engineering MCQs

6108 MCQs  (Page 498 of 611)

Attempt Chemical Engineering Quiz
Which one shows the diagrammatic heat balance in a furnace ?
A. Sankey diagram
B. Cox chart
C. Ostwald chart
D. None of these
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_____________ atmosphere is maintained inside an iron blast furnace?
A. Oxidising
B. Reducing
C. Inert
D. Decarburising
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If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an ______________ furnace?
A. Sidefired
B. Underfired
C. Covered
D. Recirculating
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Large tonnage of refractory bricks are dried in a_____________________?
A. Shaft furnace
B. Rotary hearth furnace
C. Tunnel kiln
D. Muffle furnace
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A refractory wall separating the stock and the source of heat is provided in a__________________?
A. Updraft kiln
B. Muffle furnace
C. Continuous furnace
D. None of these
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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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Which is a continuous furnace ?
A. Coke ovens
B. Annealing furnace
C. Glass tank furnace
D. None of these
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Overfire burning in a furnace is a phenomenon characterised by____________________?
A. Supply of excess fuel
B. Supply of excess air
C. Burning carbon monoxide and other incombustible in upper zone of furnace by supplying
MorE air
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Regenerators are normally provided in the____________________?
A. Glass melting furnace
B. Open hearth furnace
C. By product coke ovens
D. All a., b. and c.
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Which furnace employs preheating, heating and soaking zones ?
A. Soaking pit
B. Reheating furnace
C. Open hearth furnace
D. Cupola
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Word of the Day
24 Jul
Untenable
(especially of a position or view) not able to be maintained or defended against attack or objection.
ناقابل مدافعت، غیر مستحکم، جو دلیل سے ثابت نہ ہو سکے

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