Q
Tar bonded dolomite bricks__________________?
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A
A. Are stored under controlled temperature & humidity to avoid hydration
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B
B. Are used in outer lining of l.d. converters
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C
C. Have poorer hydration resistance than pitch bonded bricks
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D
D. All a., b. and c.
Correct Answer:
D. D. All a., b. and c.