model question paper for supervisor trainee

0 Answers   Bhel,

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What happen if we have run 415 V,50Hz designed motor at on 480V,60HZ

8 Answers  

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how  do you choose the cable size as per amps rating & the voltage drop for the same.

0 Answers   C&W,

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Why sip ring used in ac motor also why its not used in dc motor?

2 Answers   RRB,

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am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this?

0 Answers   L&T,

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What is the diff. between two phase & three phase supply.

7 Answers   Crompton Greaves,

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What happens if the secondary of the transformer is shorted?

2 Answers  

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working function importance of mdc meter

0 Answers  

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How much load with stand the copper cable by sq mm apro..

1 Answers   L&T, Taj Group,

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what sq.mm copper pvc wire need for ac load current 25amps for 230v ?

4 Answers   Khadamat, Siemens,

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Let me know that how i calculate the alternator sub tranciant reactance and tranciant reactance.

0 Answers  

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what will happen if a 3 phase motor is connected to a single phase circuit and vice versa?

3 Answers  

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