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Answer :

H.R.C. fuses provide best protection against short-circuits.

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Description : What is the advantage of HRC fuses when compared with rewireable fuses?

Answer : Ans.HRC fuses have high rupturing capacity, high speed of operation and no aging effect.

Answer : Protection by fuses is generally not used beyond 100 A .

Answer : The delay fuses are used for the protection of motors.

Answer : H.R.C. fuse, as compared to a rewirable fuse, has no ageing effect, high speed of operation, high rupturing capacity.

Description : The material used in liquid fuses is  (1) SF6 (3) carbon tetra chloride (2) distilled water (4) transformer oil

Answer : The material used in liquid fuses is  carbon tetra chloride