Difference between MCC and PDB

3 Answers   BARC, CDS, NINL,

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In step down transformer (415/200V),mistakenly secondary side is connected to 415V for some hours, what would be result of this condition?

19 Answers   Essar, GAIL, Vizag Steel,

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how to do the ductor test?

0 Answers  

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15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help

0 Answers  

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in dc transmission the frequency pi is zero, then how it will transmit communication signal?

1 Answers  

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What is the need of black rock stones under the transformer yard?

5 Answers   TNEB Tamil Nadu Electricity Board,

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if any house we instaled a 1.5 ton ac and its phase cable of wiring is installed but netrual cable of wiring not instaed. my question is that is neutual of house(for other wiring is capable for ac load or a sepeart neutrual wiring required

0 Answers  

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why do some transmission towers have two insulators at one side and three insulators at the other side

2 Answers  

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hi i wonder will the speed of a 50hz AC motor reduce if i supply it with 25hz?

4 Answers   Divis Laboratories,

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What is instrumental error?

0 Answers  

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whether fibre optic cable in high voltage earth conductor is used for protection circuits

0 Answers  

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why vacuume circuit breaker is not used for EHV

3 Answers   College School Exams Tests, Crompton Greaves,

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