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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.

Refractories are dried in the _______________?

A Rotary kilns

B Tunnel kilns

C Sun

D None of these

Review Detailed Answer

Correct Answer: Tunnel kilns

Electrical resistor bars are made of _______________?

A Silicon carbide

B Alumina

C Zirconia

D Graphite

Review Detailed Answer

Correct Answer: Silicon carbide

Firing temperature is minimum (1250-1400 °C) for _______________ bricks?

A Fireclay

B Direct bonded basic

C Silica

D Magnesite

Review Detailed Answer

Correct Answer: Fireclay

Which of the following is not a neutral refractory ?

A Silicon carbide

B Magnesite

C Chromite

D Graphite

Review Detailed Answer

Correct Answer: Magnesite

Which is the stable form of silica below 870°C ?

A Tridymite

B Cristobalite

C Quartz

D None of these

Review Detailed Answer

Correct Answer: Quartz

Insulating refractories should have_______________?

A High porosity

B Low thermal conductivity

C Both A. and B.

D Neither A. not B.

Review Detailed Answer

Correct Answer: Low thermal conductivity

With increase in the alumina content in firebricks, its fusion point (refractoriness) ?

A Decreases linearly

B Remains unchanged

C Increases

D Decreases

Review Detailed Answer

Correct Answer: Increases

Refractoriness of a typical silica brick corresponds to Segar cone number, ’32’, which is equivalent to a temperature of _____________ °C?

A 1380

B 1520

C 1710

D 1915

Review Detailed Answer

Correct Answer: 1710

Except _____________, all other refractories are bad conductors of electricity (i.e, have low electrical conductivity)?

A Fireclay

B Carborundum

C Graphite

D Chromite

Review Detailed Answer

Correct Answer: Graphite

Grog__________________?

A Contains both alumina and silica

B Is crushed firebrick

C Is a non-plastic material

D All A., B. and C.

Review Detailed Answer

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

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Refractories are dried in the _______________?

Electrical resistor bars are made of _______________?

Firing temperature is minimum (1250-1400 °C) for _______________ bricks?

Which of the following is not a neutral refractory ?

Which is the stable form of silica below 870°C ?

Insulating refractories should have_______________?

With increase in the alumina content in firebricks, its fusion point (refractoriness) ?

Refractoriness of a typical silica brick corresponds to Segar cone number, ’32’, which is equivalent to a temperature of _____________ °C?

Except _____________, all other refractories are bad conductors of electricity (i.e, have low electrical conductivity)?

Grog__________________?