Q: As per IS 456: 2000, the nominal cover thickness specified to meet 1.5 hours of fire resistance in case of simply supported beams is___. /IS 456 : 2000 के अनुसार, शुद्धालम्बित धरन में 1.5 घंटे की आग प्रतिरोध को पूरा करने के लिए निर्दिष्ट नामन आवरण मोटाई है-
A.
20 mm
B.
40 mm
C.
15 mm
D.
60 mm
Correct Answer:
Option A -
Explanations:
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