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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 have very high __________________?

A Wetting characteristics

B Refractoriness

C Thermal conductivity

D Both B. and C.

Review Detailed Answer

Correct Answer: Both B. and C.

Zirconia refractory_________________?

A Does not react with basic slags

B Is produced from baddeleyite

C Cannot be used as an insulator

D Has poor electrical conductivity at high temperature

Review Detailed Answer

Correct Answer: Is produced from baddeleyite

Graphite or carbon refractories______________________?

A Exhibit wetting characteristics

B Should be used in neutral or reducing atmosphere

C Exhibit high shrinkage on thermal treatment

D Are not resistant to corrosion by slag

Review Detailed Answer

Correct Answer: Should be used in neutral or reducing atmosphere

Refractory materials are never used in the construction of _________________?

A Segar cones

B Orton cones

C Pressure vessels

D Ovens & retorts

Review Detailed Answer

Correct Answer: Pressure vessels

Chrome magnesite bricks are used in the_________________?

A Side walls of soaking pits and arc furnaces

B Copper melting furnaces & converters

C Burner block of glass tanks

D All A., B. and C.

Review Detailed Answer

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

Roof of a basic open hearth furnace is lined with ______________ bricks?

A Silica

B Fireclay

C Dolomite

D Magnesite

Review Detailed Answer

Correct Answer: Silica

Which of the following bricks has the most close values of RUL and PCE ?

A Silica bricks

B Fireclay bricks

C High alumina bricks

D Tar dolomite bricks

Review Detailed Answer

Correct Answer: Silica bricks

Which is the most stable crystalline form of silica at room temperature ?

A Quartz

B Cristobalite

C Tridymite

D None of these

Review Detailed Answer

Correct Answer: Quartz

Because of its very high refractoriness of the order of __________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns ?

A 1800

B 2200

C 2400

D 2700

Review Detailed Answer

Correct Answer: 2700

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

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Carbon refractories have very high __________________?

Zirconia refractory_________________?

Graphite or carbon refractories______________________?

Refractory materials are never used in the construction of _________________?

Chrome magnesite bricks are used in the_________________?

Roof of a basic open hearth furnace is lined with ______________ bricks?

Which of the following bricks has the most close values of RUL and PCE ?

Which is the most stable crystalline form of silica at room temperature ?

Because of its very high refractoriness of the order of __________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns ?

Carbon refractories are exclusively used in the_________________?