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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

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
Mixing of light fine powder such as insecticides is done by____________________?
A Banbury mixer
B Pug mill
C Impact wheels
D Kneader
Correct Answer: Impact wheels
Energy consumption in a crusher decreases with increase in the________________________?
A Size of the product (at constant feed size)
B Capacity of the crushing machine
C Size of feed (at constant reduction ratio)
D All A., B. & C.
Correct Answer: All A., B. & C.
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