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.

A straight line is obtained on plotting reciprocal of filtration rate vs. the volume of filtrate for _______________ flow of filtrate?
A Compressible cakes and laminar
B Incompressible cake and laminar
C Compressible cake and turbulent
D Incompressible cake and turbulent
Correct Answer: Incompressible cake and laminar
In a roll crusher, both the rolls_________________?
A Have the same diameter
B Are rotated towards each other
C Run either at the same or different speeds
D All A., B. and C.
Correct Answer: All A., B. and C.
In froth floatation, chemical agent added to cause air adherence is called___________________?
A Collector
B Frother
C Modifier
D Activator
Correct Answer: Collector
Balls for ball mills are never made of_________________?
A Forged/cast steel
B Lead
C Cast iron
D Alloy steel
Correct Answer: Lead
Helical screw agitator is used for________________?
A Mixing highly viscous pastes
B Blending immiscible liquids
C Mixing liquids at very high temperature (> 250 °C)
D None of these
Correct Answer: Mixing highly viscous pastes
Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill.) ?
A D
B 1/D
C D2.5
D 1/D2.5
Correct Answer: D
Which of the following is not a non-metalliferous mineral ?
A Calcite
B Fluorspar
C Quartz
D Cassiterite
Correct Answer: Cassiterite
Fluid medium used in the classification technique of mineral beneficiation is_________________?
A Air
B Water
C Either A. or B.
D Neither A. nor B.
Correct Answer: Either A. or B.
A widely used size reduction equipment for ______________ is Bradford breaker?
A Talc
B Coal
C Iron core
D Wheat
Correct Answer: Coal
The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be _______________ cms?
A 20
B 12
C 8
D 2
Correct Answer: 2