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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 consumes the maximum tonnage of refractories annually in an integrated steel plant ?

A Soaking pits

B Reheating furnace

C L.D. converter

D Rotary lime kiln

Review Detailed Answer

Correct Answer: L.D. converter

Maximum shrinkage in volume occurring during burning/firing of dried refractories may be as high as ______________ percent?

A 10

B 15

C 20

D 30

Review Detailed Answer

Correct Answer: 30

Chrome magnesite bricks are_________________?

A Acidic in nature

B Neutral in nature

C Having higher RUL than silica bricks

D Made by mixing 30% Chromite and 70% Periclase

Review Detailed Answer

Correct Answer: Having higher RUL than silica bricks

Si percentage in silica refractories used in the walls of coke oven is about______________________?

A 45

B 60

C 80

D 95

Review Detailed Answer

Correct Answer: 95

In chemical process equipments, the conical bottom heads used, usually has an apex angle of____________________?

A 20°

B 40°

C 60°

D 80°

Review Detailed Answer

Correct Answer: 60°

Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about ______________ percent?

A 5

B 20

C 35

D 55

Review Detailed Answer

Correct Answer: 20

Mullite is chemically represented by_________________?

A Al2O3. 2SiO2

B 3Al2O3. 2SiO2

C Al2O3. SiO2

D 2Al2O3. 3SiO2

Review Detailed Answer

Correct Answer: Al2O3. 2SiO2

Pure bauxite is the best raw material for the manufacture of high alumina refractories, in which maximum alumina content can be as high as _____________ percent?

A 55

B 70

C 80

D 90

Review Detailed Answer

Correct Answer: 90

Which one contains minimum percentage of SiO2 ?

A Firebrick

B Sillimanite

C Semi-silica

D Aluminous firebrick

Review Detailed Answer

Correct Answer: Sillimanite

___________________ 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

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following consumes the maximum tonnage of refractories annually in an integrated steel plant ?

Maximum shrinkage in volume occurring during burning/firing of dried refractories may be as high as ______________ percent?

Chrome magnesite bricks are_________________?

Si percentage in silica refractories used in the walls of coke oven is about______________________?

In chemical process equipments, the conical bottom heads used, usually has an apex angle of____________________?

Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about ______________ percent?

Mullite is chemically represented by_________________?

Pure bauxite is the best raw material for the manufacture of high alumina refractories, in which maximum alumina content can be as high as _____________ percent?

Which one contains minimum percentage of SiO2 ?

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