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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.

Which of the following is not a high alumina refractory material ?

A Kyanite

B Sillimanite

C Diaspore

D Periclase

Review Detailed Answer

Correct Answer: Periclase

Which is not a natural insulating material ?

A Diatomaceous earth/kieselgur

B Asbestos

C Vermiculite

D None of these

Review Detailed Answer

Correct Answer: None of these

Magnesite bricks have poor resistance to attack by _____________ slag?

A Lime

B Basic

C Acid

D None of these

Review Detailed Answer

Correct Answer: Acid

______________ bricks should not be used in oxidising atmosphere?

A Tar dolomite

B Carbon

C Silica

D Fireclay

Review Detailed Answer

Correct Answer: Carbon

With decrease in porosity, the ______________ of the refractories decreases?

A Strength

B Thermal conductivity

C Spalling resistance

D None of these

Review Detailed Answer

Correct Answer: Spalling resistance

Hot blast main (carrying air at 1000°C) in blast furnace are lined with ______________ bricks?

A Silica

B Fireclay

C Magnesite

D Zirconia

Review Detailed Answer

Correct Answer: Fireclay

The maximum linear expansion of silica bricks during firing is about ______________ percent?

A 0.5

B 1

C 2

D 3.5

Review Detailed Answer

Correct Answer: 3.5

Refractoriness under loads (RUL) is quite close to the fusion temperature (PCE) for _____________ bricks?

A Fireclay

B Silica

C Dolomite

D Very low alumina

Review Detailed Answer

Correct Answer: Silica

Dilatometer is used for the determination of ______________ of refractories?

A Modulus of rupture

B Permanent linear change

C Resistance to CO attack

D RUL

Review Detailed Answer

Correct Answer: Permanent linear change

Highest melting (m.p = 3070°C) oxide refractory is__________________?

A Alumina

B Thoria

C Zirconia

D Magnesia

Review Detailed Answer

Correct Answer: Thoria

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following is not a high alumina refractory material ?

Which is not a natural insulating material ?

Magnesite bricks have poor resistance to attack by _____________ slag?

______________ bricks should not be used in oxidising atmosphere?

With decrease in porosity, the ______________ of the refractories decreases?

Hot blast main (carrying air at 1000°C) in blast furnace are lined with ______________ bricks?

The maximum linear expansion of silica bricks during firing is about ______________ percent?

Refractoriness under loads (RUL) is quite close to the fusion temperature (PCE) for _____________ bricks?

Dilatometer is used for the determination of ______________ of refractories?

Highest melting (m.p = 3070°C) oxide refractory is__________________?