model question paper for supervisor trainee

0 Answers   Bhel,

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plz explain TSM and PSM.with example suppose ct ratio is 4000/5 and tsm is .15 and plug is at 3.75 if fault current is 8000A.so how i find relay oprating time.

2 Answers   College School Exams Tests, ME,

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how to calculate cable bending angle in a trench?

2 Answers   Eastern Cement,

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why starting current is high and resistance is almost 0 during the starting of motor dc motor...?

0 Answers  

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Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.

0 Answers  

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why universal motor work on ac & dc both?

1 Answers   EMC, emc2,

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What makes the difference between 50Hz supply and 60Hz supply which one is economical? What is the use of using increased frequency?

5 Answers   ABB,

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why transmission is only 3 phase and not 2 or 4 or poly phases

0 Answers   Infosys,

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Why transformer used in UPS??

0 Answers   JLL,

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what is the maximum Load capasity in LV-Panel,MDB,SMDB & Final DB'S in Electrical disribution system?

2 Answers   Sterling,

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hi frienda We have 750kva cater pillet dg set we are fasing one diffrent proublam in dg we are start dg set after one mint applying load around 450a load but dg was run 3 Or 4 mints after 3 mints dg was shuding down automatic how to face this proublam pls tel any budy

1 Answers  

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can i used 400A SFU (for the use of PA fan motor),if my BUSBAR rating is only 315A?????answer me quickly as possible.......thanks

1 Answers  

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