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| Q. |
The commonly used safety fuse-wire is made of - |
| A. | an alloy of Nickel and Lead |
| B. | an alloy of Tin and Lead |
| C. | an alloy of Tin and Nickel |
| D. | an alloy of Lead and Iron |
| Answer» B. an alloy of Tin and Lead | |
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Explanation: As a rule, fuse elements of time delay fuses contain low melting point materials, e.g. tin (Sn) or zinc (Zn) and alloys thereof. |
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