Question

Which of the following is not true about cork?

(a) It is obtained from the bark of cork oak trees

(b) Cork is a good conductor of sound and electricity

(c) Cork is porous

(d) Cork is not attacked by heat and moisture

The question was posed to me during an interview.

The doubt is from Miscellaneous Materials topic in chapter Miscellaneous Materials, Plain and Reinforced Cement Concrete of Construction & Building Materials

Answer 1

Right option is (b) Cork is a good conductor of sound and electricity

For explanation I would say: Cork is porous and is a good insulator of sound and electricity. It is obtained from the bark of cork oak trees and is not attacked by heat and moisture.