working of a diesel generator.

34 Answers   ABC, AC, Cognizant, CTS, Directorate of Lighthouses and Lightships, KSL, Quippo, Shree Renuka Sugars, SRF, Svam Power, Tech Mahindra,

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1) Explain why we don't link the two earthing system ht and mv on a pole mounted transformer sub-station.

0 Answers  

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we have 15 ampere variyac but we want 30 ampere variyac what we do

0 Answers   Delta Roto Tech,

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what r the checklist while installing a 380 kva DG set

0 Answers   Pepsi,

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1.Why use in ups in software's,reason,and pls explain. 2.what is the isolation transformer and main use it's functioning and partes.

5 Answers   TATA, Wipro,

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what is advantage in open delta connection?

20 Answers  

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How to calculate the KA rating for a circuit breaker if we know the KVA rating of the generator feeding it?

2 Answers  

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why active power is called as real power or working component.What is the exact function of active, reactive & apperent power.

3 Answers  

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why in america the supply frequency is applied as 60 HZ. but in india we use 50 HZ.

1 Answers   Elcom International, HCL, NTPC, OMC,

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It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.

0 Answers  

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Is 3C x 2.5 Sqmm Cable can withstand 40Amp Starting current? If Yes then specify your ans.

2 Answers   NTPC,

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what is reactive power (MVAR) and how it is control? how it is generate in powerplant?

1 Answers  

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