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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

All Topics  9594

Which is a regenerative furnace ?
A Coke oven heating chamber
B Open hearth furnace
C Both A. and B.
D Neither A. nor B.
Correct Answer: Both A. and B.
In order to maintain an oxidising atmosphere in a furnace, it should have__________________?
A More of excess air
B Less of excess air
C More of CO in flue gas
D More of CO2 in flue gas
Correct Answer: More of excess air
Heat transfer rate to the stock/charge in the furnace does not depend upon the________________?
A Emissivity of the refractory walls
B Size of the furnace
C Use of waste heat recovery equipments
D Thickness of the stock
Correct Answer: Use of waste heat recovery equipments
The main function of a muffle in the muffle furnace is to__________________?
A Protect the charge from the effects of the products of combustion
B Smooth out temperature inequalities on the combustion side of the muffle wall
C Both A. & B.
D Neither A. nor B.
Correct Answer: Both A. & B.
In a furnace operation, which is not preheated ?
A Solid fuels
B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.)
C Both A. and B.
D Neither A. nor B.
Correct Answer: Both A. and B.
Fuel used in B.F. stove is______________________?
A Pulverised coal
B Furnace oil
C Blast furnace gas/mixed gas
D Coke oven gas
Correct Answer: Blast furnace gas/mixed gas
Reverberatory furnace is used for_____________________?
A Roasting/reduction of ores
B Annealing steel coil
C Heating air
D Steel melting
Correct Answer: Roasting/reduction of ores
Which furnace employs an I.D. fan for the removal of flue gases from the furnace ?
A Coke oven
B Blast furnace stoves
C Beehive coke oven
D High pressure boiler
Correct Answer: High pressure boiler
Cement Kiln is a___________________?
A Rotary Kiln
B Tunnel Kiln
C Natural draft furnace
D Batch furnace
Correct Answer: Rotary Kiln
Which of the following accentuates clinkering troubles on furnace grate burning coal ?
A Low reactivity of carbonised residue containing high proportion of iron & sulphur
B Low forced draft & fuel bed temperature
C Thick firebed and preheated primary air
D All A., B. and C.
Correct Answer: All A., B. and C.
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