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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.

___________________ is the measure of the strength of refractory under the combined effect of temperature & load ?

A Porosity

B RUL

C Specific gravity

D Thermal conductivity

Review Detailed Answer

Correct Answer: RUL

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

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

___________________ is the measure of the strength of refractory under the combined effect of temperature & load ?

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?