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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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.

Carbon refractories are exclusively used in the_________________?

A Hearth of blast furnace

B Walls of coke oven

C Regenerators of coke oven

D Side wall of soaking pits

Review Detailed Answer

Correct Answer: Hearth of blast furnace

Silicon carbide refractories have very low ___________________?

A Refractoriness (< 1700°C)

B Thermal conductivity

C Resistance to thermal shock

D None of these

Review Detailed Answer

Correct Answer: None of these

Refractory castables are used for__________________?

A Producing monolithic linings

B Patch work

C Minimising the number of joints in the structure

D All A., B. and C.

Review Detailed Answer

Correct Answer: All A., B. and C.

Which of the following has the lowest electrical resistivity ?

A Graphite

B Fireclay

C Alumina

D Zircon

Review Detailed Answer

Correct Answer: Graphite

Maximum water percentage in refractory mix meant for hand moulding may be as high as _____________ percent?

A 2-3

B 5-7

C 7-12

D 14-20

Review Detailed Answer

Correct Answer: 14-20

______________ bricks are used in the burning zone of a cement rotary kiln ?

A High alumina

B Fireclay

C Thoria

D Silicon carbide

Review Detailed Answer

Correct Answer: High alumina

Chrome magnesite is not used in the ____________________?

A Inner lining of L.D. converter

B Aluminium melting furnaces

C Wear out lining of steel melting furnaces

D All A., and B. and C.

Review Detailed Answer

Correct Answer: Wear out lining of steel melting furnaces

The linear thermal expansion of _______________ bricks upto 1000 °C is very low of the order of ≤ 0.5 percent?

A Fireclay

B Silica

C Magnesite

D Corundum

Review Detailed Answer

Correct Answer: Fireclay

Spalling of a refractory means its____________________?

A Softening

B Fracture due to uneven expansion at high temperature

C Resistance to compressive loads

D Resistance to chemical action of gases and molten fluxes

Review Detailed Answer

Correct Answer: Fracture due to uneven expansion at high temperature

Bauxite calcining rotary kilns are lined with ________________ bricks?

A Fireclay

B Carbon

C 85% alumina

D Corundum

Review Detailed Answer

Correct Answer: 85% alumina

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Carbon refractories are exclusively used in the_________________?

Silicon carbide refractories have very low ___________________?

Refractory castables are used for__________________?

Which of the following has the lowest electrical resistivity ?

Maximum water percentage in refractory mix meant for hand moulding may be as high as _____________ percent?

______________ bricks are used in the burning zone of a cement rotary kiln ?

Chrome magnesite is not used in the ____________________?

The linear thermal expansion of _______________ bricks upto 1000 °C is very low of the order of ≤ 0.5 percent?

Spalling of a refractory means its____________________?

Bauxite calcining rotary kilns are lined with ________________ bricks?