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.

Which of the following clay mixing devices is vacuum operated for deairation of clay ?

A Banbury mixer
B Pug mill
C Muller-mixer
D None of these
Correct Answer: Pug mill

With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge________________?

A Increases
B Decreases
C Remains constant
D Increases linearly
Correct Answer: Increases

There is practically no alternative/competitor to _________________ in the beneficiation treatment of sulphide ores?

A Classification
B Tabling
C Jigging
D Froth floatation
Correct Answer: Froth floatation

Gummy & sticky materials like molasses, sugar etc. are best transported/handled by using a ______________ conveyor?

A Drag
B Ribbon
C Screw
D Slat
Correct Answer: Ribbon

Sphericity of pulverised coal is__________________?

A 1
B < 1
C > 1
D
Correct Answer: 1

The reduction ratio for grinders is defined as (where, Df and Dp are average diameters of feed and product respectively) ?

A Df/Dp
B Dp/Df
C Df – Dp
D None of these
Correct Answer: Df/Dp

Maximum size reduction in a ball mill is done by the, ______________ action?

A Attrition
B Compression
C Impact
D Cutting
Correct Answer: Impact

Which of the following is a fine crusher ?

A Blake jaw crusher
B Gyratory crusher
C Toothed roll crusher
D Dodge jaw crusher
Correct Answer: Toothed roll crusher

_______________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution?

A Tumbler
B Banbury
C Muller
D Ribbon blender
Correct Answer: Banbury

For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) ?

A π = (A/D2)
B π/6 = (V/D3)
C AD/V
D None of these
Correct Answer: π = (A/D2)