M C Q s D r i v e

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.

In a furnace employing forced draught as compared to induced draught______________________?

A Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced
B The fan operates hot and hence blades are liable to corrosion and erosion
C Positive pressure exists in the furnace
D None of these
Correct Answer: Positive pressure exists in the furnace

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