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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 of the following is a heat treatment furnace ?
A Muffle furnace
B Annealing furnace
C Reheating furnace
D Rotary kiln
Correct Answer: Annealing furnace
An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called ____________ furnace?
A Resistance
B Arc
C Low frequency induction
D None of these
Correct Answer: Arc
Size of the combustion chamber of a furnace depends upon the ___________________?
A Heat release rate of the fuel
B Preheat temperature of fuel & air
C Method of mixing the fuel & air
D All A., B. and C.
Correct Answer: All A., B. and C.
To reduce the stack loss, heat recovery from flue gas can be done by_____________________?
A Preheating of cold stock
B Preheating of combustion air
C Steam generation in waste heat boilers
D All A., B. and C.
Correct Answer: All A., B. and C.
_____________ furnace is not an electric furnace?
A Arc
B Induction
C Pot
D Resistance
Correct Answer: Pot
The advantages of firing pulverised coal in the furnace lies in the fact that, it_____________________?
A Permits the use of high ash content coal
B Permits the use of low fusion point ash coal
C Accelerates the burning rate and economises on fuel consumption
D All A., B. and C.
Correct Answer: Accelerates the burning rate and economises on fuel consumption
Which is the most thermally efficient furnace _______________________?
A Reheating furnace
B Reverberatory furnace
C Rotary kilns
D Boiler furnace
Correct Answer: Boiler furnace
Ingress of cold air in the furnaces through cracks, charging doors, openings etc ________________?
A Reduces the flue gas temperature and makes the furnace atmosphere oxidising
B Increases the load on the induced draft fan
C Reduces the furnace draught
D All A., B. and C.
Correct Answer: All A., B. and C.
Fuel economy in furnaces can be achieved by_________________?
A Using oxygen enriched combustion air
B Preheating the combustion air
C Reducing the heat loss through furnace openings & doors
D All A., B. and C.
Correct Answer: All A., B. and C.
______________ is an indirectly heated furnace?
A Open hearth furnace
B Muffle furnace
C Soaking pit
D Reheating furnace
Correct Answer: Muffle furnace
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