The __________ is a bad conductor of heat and it is also non-combustible building material.(a) Sandstone(b) Granite(c) Stone(d) LimestoneThe question was asked during an interview for a job.My doubt is from Fire Resisting Materials topic in division Fire Protection in Building, Carpentry and Joinery of Construction & Building Materials

The __________ is a bad conductor of heat and it is also non-combustib

1.	The __________ is a bad conductor of heat and it is also non-combustible building material.(a) Sandstone(b) Granite(c) Stone(d) LimestoneThe question was asked during an interview for a job.My doubt is from Fire Resisting Materials topic in division Fire Protection in Building, Carpentry and Joinery of Construction & Building Materials
Answer» CORRECT ANSWER is (c) Stone Explanation: The stone is also liable to disintegrate into small PIECES when heated and suddenly cooled. The GRANITE explodes and gets easily DISINTEGRATED in case of a fire. The limestone is easily crumbled even by ordinary fire.

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