1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?

0 Answers   TATA,

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why resistive load has unity power factor,inductive load lagging and capacitive load leading power factor?

3 Answers   OEG,

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difference between ac motor and dc motor

5 Answers  

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How do you reverse the direction of rotation of a FAN?

13 Answers   CPCL, IOCL,

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why the neutral of power transformer is always earthed?

1 Answers  

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my field of interest is T&D. plz tell something about that.

15 Answers   TCS,

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insulators advantage in transformer yard?

1 Answers  

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if a.c supply is given to the motor,, what happen?

0 Answers   Bhel, L&T, MSEB,

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Why arc quenching is used in Diode ?

0 Answers  

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Why the unit sizes of hydro generating machines are not standardized as in case of thermal powerplants?

0 Answers  

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What is a slack bus?

0 Answers  

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Why Humming noise originated in Starter motor and how it was generated ?

3 Answers  

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