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.

Fusion point of a basic refractory material is__________________?
A Reduced by the addition of acid oxides
B Increased by the addition of acid oxides
C Not affected by the addition of acid oxides
D Always less than 1000°C
Correct Answer: Reduced by the addition of acid oxides
Fireclay bricks are used in the__________________?
A Coke ovens regenerator
B Outer lining of L.D. converter
C Hearth bottom of blast furnace
D Coke oven walls
Correct Answer: Outer lining of L.D. converter
Which is not an acidic refractory ?
A Silica
B Fireclay
C High alumina refractory
D Carbon black
Correct Answer: Carbon black
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.
Silica bricks are never used for lining the____________________?
A Beehive coke ovens
B By-product coke ovens
C Dome of blast furnace stoves
D Roof of open hearth furnace
Correct Answer: Beehive coke ovens
Refractory bricks having lower porosity have_________________________?
A High insulating properties
B Low heat capacity
C Low thermal conductivity
D Greater strength
Correct Answer: Greater strength
Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of________________?
A Fireclay
B Silicon carbide
C Corundum
D Siliceous fireclay
Correct Answer: Silicon carbide