For safety, the fuse wire used in the mains for household supply of electricity must be made of metal having

For safety, the fuse wire used in the mains for household supply of electricity must be made of metal having Correct Answer low melting point

For safety, the fuse wire used in the mains for household supply of electricity must be made of metal having low melting point.
Bissoy MCQ

Related Questions

A Fuse is used in mains electric supply as a safety devices. Which one of the following statements about the fuse is correct?
A telephone switchboard 100 pair cable can be made up with either enameled wire or tinned wire. There will be 400 soldered connections. The cost of soldering a connection on the enameled wire will be P 1.65 on the tinned wire, it will be P 1.15. A 100- pair cable made up with enameled wire cost P 0.55 per linear foot and those made up of tinned wire cost P 0.75 per linear foot. Determine the length of cable run in feet so that the cost of each installation would be the same.
Fuse wire used for safety of household have
A fuse is used in main electric supply as a safety device. Which one of the following statements about the fuse is correct?
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Safety fuse wire used in domestic electrical appliances is made of metal of low
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Two horizontal steam mains with diameters 5 cm and 15 cm are to be laid in a boiler house that any mutual heat effect is precluded. The mains are at the same surface temperature of 500 degree Celsius whilst the ambient air is at 50 degree Celsius. Workout the ratios of the heat transfer coefficients
Examine the following statements :
i) Factor of safety for steel should be based on its yield stress,
ii) Factor of safety for steel should be based on its ultimate stress,
iii) Factor of safety for concrete should be based on its yield stress,
iv) Factor of safety for concrete should be based on its ultimate stress.
The correct statements are
An elevator is assembled to raise equipment to a height of 22m. It is estimated that maximum weight of the material to be raised is 4.9kN. It is observed acceleration in such cases is 1.2m/s².10mm diameter wire ropes with fibre core are used. The tensile designation of the wire is 1500.Number of rope wires is assumed to be 2. Calculate the weight of wire if weight of 50m wire is 18kg.