Why we didn’t feel electric shock in an electric train ??

10 Answers   NTPC,

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Why control of DC motor is simpler?

0 Answers   BARC,

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how do you test the capacitor bank ?

12 Answers   Essar,

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is high voltage or high current is danger

16 Answers   L&T,

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Where -48 volt DC use & why?????????

10 Answers   Ericsson, INDUS, Indus Towers, Telecom,

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is all the servo motors having brake?please specify which servo motors having brake for stop on position and which are not.

0 Answers  

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what is the reason for choosing DYn11 in transformer, why not DYn12 or something else

1 Answers  

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If a transformer primary winding operates at 240v, the secondary at 120v and the load is 1500w & the transformer is rated at 92% efficient, what's the current flowing through the primary winding of the transformer? What is the formula for finding this?

0 Answers  

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In power plant synchronizing time (synchroniging meter should be 12'o clock position only. why not 6'o clock position not possible.

1 Answers   ITC Infotech,

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1 Answers  

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I have a 5KVA UPS. Total load to be connected almost 3KW. Ordering a battery pack with capacity of 1920VAh. How long will the backup time be?

1 Answers  

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where the lexical paramater will use in fron end?

0 Answers  

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