What happens when some serious phenomenon occurs in the insulators?(a) Puncher is produced in the insulator body(b) Insulator body bulges(c) Insulator body bursts(d) Insulator body tears apartI had been asked this question by my school teacher while I was bunking the class.My doubt is from Insulating Materials topic in section Electrical Engineering Materials of Design of Electrical Machines

What happens when some serious phenomenon occurs in the insulators?(a)

1.	What happens when some serious phenomenon occurs in the insulators?(a) Puncher is produced in the insulator body(b) Insulator body bulges(c) Insulator body bursts(d) Insulator body tears apartI had been asked this question by my school teacher while I was bunking the class.My doubt is from Insulating Materials topic in section Electrical Engineering Materials of Design of Electrical Machines
Answer» Correct answer is (a) Puncher is produced in the insulator BODY Easiest explanation: The serious phenomenon is the abnormal over voltage, produced in the insulators. Due to that, FLASHOVER OCCURS in the insulators. This causes puncher of the insulator body.

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