A concrete structure is set on fire and the temperature raises to 1000°C. The strength of concrete as compared to original strength reduces to
A. 10%
B. 15%
C. 20%
D. 25%
Answer: Option C
Related Questions on Building Construction
The window which is provided in flat roof of a room, is known
A. Dormer window
B. Lantern window
C. Louvered window
D. Sky window
Weep holes are provided in retaining and breast walls
A. To drain off the water from the filling
B. To ventilate the stone masonry
C. To add architectural beauty
D. To increase compaction of the earth retained
A. Haunch
B. Spandril
C. Voussoirs
D. Skewbacks
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