what is destructive and non-destructive testing of welding

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Which type starter is used for synchronous motor?

2 Answers   Equate,

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what is busbar. how many types of starter.what appartus will be used to improve voltage.what is the function of starter.what is b.h.p.what material is used for earthing.

1 Answers  

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why in motors dc extitaedtion is prefer

1 Answers  

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In a 3 phase induction motor(without connecting supply) if we rotate its rotor by hand and check resistance of stator winding at motor terminal box its resistance varies why ??

3 Answers   Jindal,

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What shall be minimum thickness of firewall in between two transformers and which code specifies it ?

1 Answers  

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how give earthing conection to household equipment?

0 Answers  

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What is the function of Governor in Hydro Power Station? What is the Function of Lightning Arrestor Voltage Transformer (LAVT)?

0 Answers  

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Distribution Transformer are connected in configuration? a. Star/delta b. delta/star c. star/star d. delta/delta

7 Answers   IPR, Maruti Suzuki,

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As we know multiplicity factor derivation equation is as below MF = main c t ratio / main p t ratio * meter c t ratio / meter p t ratio * meter dial constant Where in digital meters for HT kwh import export now a days meter constant are calibrated already which is 1 So my question is For HT 11kv 110 v line values are as below Main c t and p t ratio are 11000 v and 110 v and 20/5 means 20 amp and 5 amp Now meter values are 11000/√3/110√3 and primary and secondary amp are displayed as -/5 amp on kwh meter so what will be the MF for this meter ?

1 Answers   NEPC,

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HOW TO CALCULATE EARTHING SIZING?

0 Answers   L&T,

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Why strting torqe high in inducation motor?

0 Answers  

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