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.

Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for__________________?
A British standard screens
B German standard screens (DIN 1171) etc
C American standard screens (ASTM and Tyler standard screens)
D All A., B. and C.
Correct Answer: All A., B. and C.
In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called _____________ is produced?
A Concentrate
B Tailing
C Middling
D None of these
Correct Answer: Middling
Moore filter is a ______________ filter ?
A Leaf
B Press
C Rotary
D Sand
Correct Answer: Leaf
Solid particles of different densities are separated by _____________________?
A Filters
B Thickness
C Cyclones
D Sorting classifier
Correct Answer: Sorting classifier
Raw materials are charged in the iron blast furnace using____________________?
A Bucket elevator
B Skip hoist
C Screw conveyor
D None of these
Correct Answer: Skip hoist
Pine oil used in froth floatation technique acts as a/an_____________________?
A Collector
B Modifier
C Frother
D Activator
Correct Answer: Frother
_______________ is a cohesive solid ?
A Wheat
B Sand
C Wet clay
D None of these
Correct Answer: Wet clay
Which of the following crushing laws is most accurately applicable to the fine grinding of materials ?
A Bond’s crushing law
B Kick’s law
C Rittinger’s law
D None of these
Correct Answer: Rittinger’s law
Use of ‘grinding aids’ is done in _______________ grinding?
A Dry
B Wet
C Ultrafine
D Intermediate
Correct Answer: Dry
In constant pressure filtration ?
A Resistance decreases with time
B Rate of filtration is constant
C Rate of filtration increases with time
D Rate of filtration decreases with time
Correct Answer: Rate of filtration decreases with time