MCQsDrive | MCQsDrive

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.

Chemically, mullite refractories is____________________?

A 3Al2O3.2SiO2

B Al2O3

C ZrSO4

D ThO2

Review Detailed Answer

Correct Answer: 3Al2O3.2SiO2

Panel test determines the _____________ of refractories?

A Fusion point

B Spalling resistance

C Slag penetration resistance

D Refractoriness under load (RUL)

Review Detailed Answer

Correct Answer: Spalling resistance

Maximum alumina content in high alumina refractory can be as high as _____________ percent?

A 30

B 50

C 70

D 90

Review Detailed Answer

Correct Answer: 90

Water content in ground refractory material to be shaped into bricks by hand moulding is about ______________ percent?

A 5

B 20

C 40

D 55

Review Detailed Answer

Correct Answer: 20

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.

Beryllia (which is used in making crucibles for melting uranium & thorium) is superior to alumina in all respects for high temperature (> 1900°C ) use, except ?

A Cost

B Electrical conductivity

C Thermal conductivity

D Fusion point

Review Detailed Answer

Correct Answer: Cost

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

Hollow refractory bricks are made by___________________?

A Slip casting

B Hand moulding

C pressing/machine moulding

D Extrusion

Review Detailed Answer

Correct Answer: Slip casting

Pick out the wrong statement ?

A A ceramic material which becomes fluid upon heating and can be moulded in liquid/viscous

B Ceramic materials do not undergo vitrification on heating

C Ceramic materials are brittle in nature

D Non-oxide ceramic materials generally act as a semi-conductor

Review Detailed Answer

Correct Answer: Ceramic materials do not undergo vitrification on heating

Showing 181 to 190 of 218 results

Contact Info

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Chemically, mullite refractories is____________________?

Panel test determines the _____________ of refractories?

Maximum alumina content in high alumina refractory can be as high as _____________ percent?

Water content in ground refractory material to be shaped into bricks by hand moulding is about ______________ percent?

Quartz is___________________?

Beryllia (which is used in making crucibles for melting uranium & thorium) is superior to alumina in all respects for high temperature (> 1900°C ) use, except ?

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

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

Hollow refractory bricks are made by___________________?

Pick out the wrong statement ?