Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Home
»
Chemical Engineering
»
Refractory Technology
High porosity refractory bricks have
poor resistance to the peneration of molten slag, metal & flue gases.
poor heat conductivity & low strength.
better thermal spalling resistance.
all (a), (b) and (c).
Correct Answer:
all (a), (b) and (c).
← Previous Question
Next Question→
More Questions from
Refractory Technology
Which is the stable form of silica between 1470°C and the melting point 1713°C?
Fireclay bricks are not used in the
Firing temperature is minimum (1250-1400 °C) for __________ bricks.
Presence of MgO in alumino-silicate refractories __________ its refractoriness.
RUL of refractories depends on the
Which of these statement is correct?
Which property of refractories is the most important for top section of the blast furnace?
Which is not a basic refractory?
Resistance to slag attack of a refractory
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
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments