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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.

Silica bricks are never used for lining the_________________?

A Beehive coke ovens

B By-product coke ovens

C Dome of blast furnace stoves

D Roof of open hearth furnace

Review Detailed Answer

Correct Answer: Beehive coke ovens

Refractory bricks having lower porosity have _____________________?

A High insulating properties

B Low heat capacity

C Low thermal conductivity

D Greater strength

Review Detailed Answer

Correct Answer: Greater strength

Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of ________________?

A Fireclay

B Silicon carbide

C Corundum

D Siliceous fireclay

Review Detailed Answer

Correct Answer: Silicon carbide

Pure oxide refractories are generally monocrystalline in nature and are self bonded ______________ bricks are generally used as moderator in nuclear reactors?

A Beryllia

B Carborundum

C Corundum

D Thoria

Review Detailed Answer

Correct Answer: Beryllia

Quartz is__________________?

A Stable form of silica upto 870°C

B Converted to Tridymite on firing between 870 to 1470°C

C Transformed to Cristobalite on heating above 1470°C

D All A., B. and C.

Review Detailed Answer

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

With increase in the porosity, thermal spalling resistance of fireclay brick_______________?

A Increases

B Decreases

C Remain same

D May increase or decrease

Review Detailed Answer

Correct Answer: Increases

Refractoriness/fusion points of ‘Superduty’ refractories is _____________ °C?

A 1520-1630

B 1630-1670

C > 1730

D > 2000

Review Detailed Answer

Correct Answer: > 1730

Capacity of a refractory brick to withstand-sudden changes in temperature is denoted by the property called_________________?

A Spalling resistance

B Refractoriness

C Refractoriness under load (RUL)

D None of these

Review Detailed Answer

Correct Answer: Spalling resistance

The density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________________?

A 2M

B M/2

C M

D M/4

Review Detailed Answer

Correct Answer: 2M

A reduction process is accompanied with increase in the_______________?

A Number of electrons

B Oxidation number

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Number of electrons

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Silica bricks are never used for lining the_________________?

Refractory bricks having lower porosity have _____________________?

Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of ________________?

Pure oxide refractories are generally monocrystalline in nature and are self bonded ______________ bricks are generally used as moderator in nuclear reactors?

Quartz is__________________?

With increase in the porosity, thermal spalling resistance of fireclay brick_______________?

Refractoriness/fusion points of ‘Superduty’ refractories is _____________ °C?

Capacity of a refractory brick to withstand-sudden changes in temperature is denoted by the property called_________________?

The density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________________?

A reduction process is accompanied with increase in the_______________?