Question

Which of the following is the most widely used insulating material for steam carray-ing pipelines ?

a.

Ceramic fibre blanket

b.

Glass wool and 85% magnesia

c.

Vermiculite

d.

Slag wool

Answer: (b).Glass wool and 85% magnesia

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Q. Which of the following is the most widely used insulating material for steam carray-ing pipelines ?

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