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What is the permissible sound level for 1000kva DG set and how the sound level is calculated.
1 3608why rotor winding in induction motor is not earthed. normally we uses star winding in rotor .why?
3 8975Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha
2231Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com
2119For a Potential Transformer(PT), the primary neutral terminal must be grounded before energization. Why....? What will be heppend if we energize the PT without grounded the primary neutral point? Why..........?
2 17075Post New Electrical Engineering Questions
Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA
Explain difference between stand by earth fault and residual earth fault protection?
how to set the time in digital timer ?
As we know induction squirrel cage motor torque Directly praprortinal to applied voltage in star connection & delta also. If I connect 55KW Motor to DOL starter in load condition does motor withstand the load & what will be the current withdrawn ? motor will not fail ?
True or false question. 1.The fuse provide phase and neutral 2.power loss in electrical circuit can take place in (resistance or inductance or capacitance). 3.two phase system each phase has separated by a phase difference of (90 or 180 or 270 or 45). 4.3 phase balanced star connected load neutral current shall be (line current or phase current or zero or unity)
what is the need of starter in tube light and what type of starter is used in that?
What is cable tray, its type, and its support?
how much leakage current is allowed in MC61A L&T make relay?
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?
slipring induction motor starting time Lrs operating why lrs starting time lrs outer body didn't get shock
How do we calculate transformer oil in liter from the rating of the transformer.
boiler is running in rankine cycle and deisel generator is....?
What is the meaning of 40X8X2 busbar dimensions for carring load of 400 Amps
electrical knowelge
How to size fuse? How to size MCB?
