Answer / samir yadav

carbon

Answer / siva naik

The mercury has negative temperature coefficient
of resistance

How are harmonics produced in AC machines?

4 Answers  

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why in america the supply frequency is applied as 60 HZ. but in india we use 50 HZ.

1 Answers   Elcom International, HCL, NTPC, OMC,

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When connecting a loaded powerplant to the Huge grid,what are the factors to be considered and how the VAR flow will affect the system?

1 Answers  

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What are the different ratings of the fuse units for different distributions at your organization?

3 Answers   TATA, UPPCL,

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HOW CAN I GET 5CORE HO7 CABLE SIZE IF I HAVE 1800A?

0 Answers  

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How to calculate incomer of a capacitor bank/feeder from its KVAR, AND how to calculate the copper busbar for rated incomer,like for 400A we calculate the 40x10 of aluminum busbar.

1 Answers  

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Z transform is use when system is not a) converges b) diverges

0 Answers   CCP,

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In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.

0 Answers   HAL,

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why should the primary of transformer be connected in delta in a heat run test?

0 Answers   Bhel,

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What is switching over voltage?

1 Answers   MEIL,

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Is it weather conditions make any problems to the electrical equipments and if yes means is it any precautions needed?

1 Answers   Hexaware,

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america 60hz electric supply is used; but india it is 50hz; why? and if we use 60 hz supply what changeg has to be done or all the equipment has to be thrown which has rating of 50hz frequincy

1 Answers  

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