Which of the following insulating materials is suitable for low temperature applications?

  • AAsbestos paper
  • BDiatomaceous earth
  • C80 percent magnesia
  • DCork
Correct Answer : (B)

Diatomaceous earth

Hints :

Diatomaceous earth is suitable for low temperature applications.


Which of the following is an advantage of heating by electricity?


Which of the following heating method has maximum power factor?

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