Fuse Multiple Choice Questions and Answers

26.  According to the fuse law, the current carrying capacity varies as

   A. Diameter

   B. Diameter^1.5

   C. Diameter^1/2

   D. 1/Diameter

27.  The fuse blows off by

   A. Arcing

   B. Burning

   C. Melting

   D. None of the above

28.  The material bast suited for manufacturing of fuse wire is

   A. Silver

   B. Copper

   C. Aluminium

   D. Zinc

29.  A fuse is provided in an electric circuit for

   A. Safeguarding the installation against heavy current

   B. Reducing the current flowing in the circuit

   C. Reducing the power consumption

   D. All of the above

30.  A fuse is normally a

   A. Power limiting device

   B. Voltage limiting device

   C. Current limiting device

   D. Power factor correcting device

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