Fuse Multiple Choice Questions and Answers


16.  The delay fuses are used for the protection of


   A. Motors

   B. Power outlet circuits

   C. Fluorescent lamps

   D. Light circuits


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A. Motors

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17.  Which of the following is used in liquid fuses?


   A. Transformer oil

   B. Sulphur hexafluoride

   C. Distilled water

   D. Carbon tetrachloride


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D. Carbon tetrachloride

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18.  A fuse performs


   A. Only detection

   B. Only interruption

   C. Both A and B

   D. None of the above


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C. Both A and B

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19.  A fuse element should have......... melting point


   A. High

   B. Low

   C. Same

   D. None of the above

   E. All of the above


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B. Low

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20.  A fuse melts well........ the first peak of fault current is reached


   A. Before

   B. After

   C. Same time

   D. None of the above


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A. Before

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