Except , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity)
1. Except , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity)
o graphite
o chromite
o carborundum
o fireclay
Ans: A
o graphite
o chromite
o carborundum
o fireclay
Ans: A
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