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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

Which of the following is the softest material ?
A Quartz
B Calcite
C Corundum
D Fluorite
Correct Answer: Calcite
Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysteresis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%) ?
A Armature of small motors/generators
B Generators and small motors
C Induction motors
D High frequency transformers
Correct Answer: High frequency transformers
Teflon (PTFE) is corroded by_______________?
A Hydrochloric acid (10%)
B Hydrochloric acid (95%)
C Sulphuric acid
D None of these
Correct Answer: None of these
Liners of a ball mill are never made of__________________?
A Lead
B Alloy steel
C Rubber or ceramic material
D Cast iron
Correct Answer: Lead
Which of the following undergoes granular fracture ?
A Wrought iron
B Steel
C Cast iron
D None of these
Correct Answer: Steel
Reactor used in the production of polyvinyl chloride (PVC) is made of____________________?
A Nickel or glass lined steel
B Aluminium
C Tantalum
D Lead
Correct Answer: Nickel or glass lined steel
Presence of manganese in alloy steel improves its___________________?
A Corrosion resistance
B Cutting ability
C Abrasion resistance & toughness
D Elasticity & creep resistance
Correct Answer: Abrasion resistance & toughness
Which of the following is not shipped in mild steel containers ?
A Acetone
B Ammonia
C Ethyl alcohol
D Formic acid
Correct Answer: Formic acid
Ceramic materials fabrication cannot be done by__________________?
A Welding
B Slip casting
C Extrusion
D Plastic pressing
Correct Answer: Welding
Steel rods are used in reinforced concrete to increase its ______________ strength?
A Shear
B Tensile
C Compressive
D None of these
Correct Answer: Tensile
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