Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Home
»
Chemical Engineering
»
Refractory Technology
Spalling of a refractory means its
softening.
fracture due to uneven expansion at high temperature.
resistancce to compressive loads.
resistance to chemical action of gases and molten fluxes.
Correct Answer:
fracture due to uneven expansion at high temperature.
← Previous Question
Next Question→
More Questions from
Refractory Technology
High alumina refractories are used in the
__________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold.
Magnesite bricks have poor resistance to attack by __________ slag.
Porosity of silica bricks varies from __________ percent.
Carbon refractories are exclusively used in the
Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm2 ) is __________ °C.
Which of the following is not a high alumina refractory material?
Porosity of fireclay refractories is __________ percent.
Which one contains minimum percentage of SiO2?
Zirconia refractories are not used in
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments