When exposed to fire, concrete has very little strength left after:
A. 500°C
B. 300°C
C. 200°C
D. 600°C
Answer: Option D
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Related Questions on Building Maintenance
Creep in concrete structure increases with:
A. Increase in humidity
B. Increase in water
C. Decrease in temperature
D. Decrease in humidity
To control corrosion, concrete with _________ is used.
A. Low permeability
B. Low thermal coefficient
C. More cement content
D. More coarse aggregates
Above 600°c
600 degree centigrade