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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

Fireclay bricks are not used in the_________________?
A Blast furnace
B Hot blast stove
C Cupola
D Wall of coke oven
Correct Answer: Wall of coke oven
Which form of silica has the highest specific gravity ?
A Quartz
B Cristobalite
C Tridymite
D All have the same specific gravity
Correct Answer: Quartz
Thermal conductivity of refractory bricks____________________?
A Increases with decrease in porosity
B Decreases with decreases in porosity
C Is independent of its porosity and is maximum for insulating bricks
D Increases with the amount of air entrapped in pores
Correct Answer: Increases with decrease in porosity
Magnesite refractories are generally not used in the__________________?
A Electric furnace walls
B Steel melting furnace
C Open hearth furnace
D Burning zone of cement kilns
Correct Answer: Steel melting furnace
Which is not an acidic refractory ?
A Silica
B Fireclay
C High alumina refractory
D Carbon black
Correct Answer: Carbon black
Which is a neutral refractory ?
A Graphite
B Magnesite chrome
C Silica
D Magnesia
Correct Answer: Graphite
Which is an acidic refractory ?
A Magnesite
B Dolomite
C Fireclay
D Chrome magnesite
Correct Answer: Fireclay
In panel test for spalling resistance, the average face temperature of panel assembly is maintained at _____________ °C for 24 hours?
A 700
B 1000
C 1600
D 2000
Correct Answer: 1600
Fireclay bricks is not used for lining the_______________?
A Cupola
B Gas producer
C Bottom of hot metal mixer
D Roof of open hearth furnace
Correct Answer: Bottom of hot metal mixer
Fireclay refractories___________________?
A Are not resistant to the action of basic slags
B Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming
C Shrink during firing
D All A., B. and C.
Correct Answer: All A., B. and C.
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