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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

An example of shaft furnace is the__________________?
A L.D. converter
B Glass melting tank
C Blast furnace
D Soaking pit
Correct Answer: Blast furnace
Which of the following is not a recuperative furnace ?
A Soaking pit
B Reheating furnace
C Steam boiler
D Coke oven
Correct Answer: Coke oven
The thermal efficiency of an air/fuel gas preheating recuperator may be as high as _____________ percent?
A 50
B 65
C 85
D 99
Correct Answer: 85
Which of the following is a batch furnace ?
A Cupola
B Reheating furnace
C Glass tank furnace
D None of these
Correct Answer: Cupola
Flue gas outlet temperature from the chimney of any furnace should be ideally about ______________ °C?
A 50
B 100
C 150
D 250
Correct Answer: 50
In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the__________________?
A Rate of firing and emissivity of flame
B Thermal conductivity of the charge & structural materials of furnace
C Nature of process; whether batch, continuous or intermittent
D All A., B. and C.
Correct Answer: All A., B. and C.
Forced recirculation of furnace gases is practised_______________?
A To increase heat transfer by convection
B To ensure uniform temperature
C In furnaces, operating below 750°C
D All A., B. and C.
Correct Answer: All A., B. and C.
An improved and fuel efficient version of the pusher type reheating furnace is the ______________ furnace?
A Walking beam
B Shaft
C Tunnel
D Rotary hearth
Correct Answer: Walking beam
Scaling of furnace stock is reduced by _______________ in flue gas?
A CO
B H2
C High CO/CO2
D All A., B. & C.
Correct Answer: All A., B. & C.
Which of the following variables affects the furnace capacity ?
A Temperature of flue gas
B Thermal conductivity of stock
C Thickness of heating stock
D All A., B. and C.
Correct Answer: All A., B. and C.
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