Question

10 to 30% magnesite is added to chromite to produce chrome-magnesite refractories. Magnesite addition is mainly done to improve the __________ of chromite.

a.

spalling resistance

b.

refractoriness

c.

crushing strength

d.

resistance to slag

Posted under Basic Chemical Engineering

Answer: (a).spalling resistance

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. 10 to 30% magnesite is added to chromite to produce chrome-magnesite refractories. Magnesite addition is mainly done to improve the __________ of chromite.
Add Comment

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Silica bricks are never used for lining the

View solution

Q. Which is not a natural insulating material?

View solution

Q. Magnesite refractories are generally not used in the

View solution

Q. __________ is not a single oxiderefractory.

View solution

Q. Hot blast main (carrying air at 1000°C) in blast furnace are lined with __________ bricks.

View solution

Q. High alumina refractory compared to fireclay bricks have

View solution

Q. Refractory bricks with lower permeability is produced by using

View solution

Q. Refractory bricks having lower porosity have

View solution

Q. Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively.

View solution

Q. Pick out the wrong statement.

View solution

Q. __________ bricks should not be used in oxidising atmosphere.

View solution

Q. Pick out the wrong statement.

View solution

Q. Fusion temperature of pure silica (SiO₂) is __________ °C.

View solution

Q. Addition of zircon to silica refractory brick improves its

View solution

Q. Which is a neutral refractory ?

View solution

Q. Permeability of bricks is a measure of the

View solution

Q. With increase in the density of silica refractories, its

View solution

Q. Magnesite chrome refractories

View solution

Q. Zirconia refractories are not used in

View solution

Q. Carbon refractories

View solution
View All MCQs on Basic Chemical Engineering

Recommended Subjects

Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!

Mechanical Engineering

Explore the world of Mechanical Engineering with our specialized category. Dive into...

Human Resource Management

Explore the dynamic field of Human Resource Management (HRM) with our dedicated...

Environmental Biotechnology

Discover the intersection of biology and environmental science with our Environmental...

Textile Engineering

Explore the dynamic world of Textile Engineering with our specialized category. Delve...

IC90 Human Resource Management

Prepare for success in the Insurance Institute of India (III) examination with IC90...

Molecular Biology

Dive into the intricate world of molecular biology with our specialized category....

Automotive Engine Design

Embark on a thrilling exploration of Automotive Engine Design, where the intricacies...

DC Machines

Dive into the fundamentals of direct current (DC) machines with our specialized...

Fluid Mechanics

Unlock the mysteries of fluids and their behavior with our Fluid Mechanics category....