Fuse Multiple Choice Questions and Answers

6.  A fuse wire possesses

   A. Direct time characteristics

   B. Inverse time characteristics

   C. Either of the above

   D. None of the above

7.  The fuse wire in DC circuit is inserted in

   A. Negative circuit only

   B. Positive circuit only

   C. Both A and B

   D. Either A or B

8.  On which off the following effects of electric current a fuse operates?

   A. Photoelectric effect

   B. Electrostatic effect

   C. Heating effect

   D. Magnetic effect

9.  A fuse in a motor circuit provides protection against

   A. Overload

   B. Short-circuit and overload

   C. Open circuit, short-circuit and overload

   D. None of the above

10.  Semi-closed rewireable fuses have....... breaking capacity

   A. Low

   B. High

   C. Medium

   D. Extremely high

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