What is the unit of inertia constant of rotating machines? Which has more inertia constant between turboalternator and hydroaltermanor and why?

2 Answers  

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what are the merits and demerits of synchronous motor over an induction motor...??

5 Answers   NTPC,

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why there is a temperature rise at different metal to metal contact at cable lug??suppose cable is aluminium and the lug is copper,than why the temperature rise takes place??

2 Answers   JK Cement,

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which of the following elements is not present in stainless steel

0 Answers   LASA,

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define differential current and restraining current in relays. how to calculate it by mathematically? post the formulaes.

4 Answers   Siemens, VPEC,

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where are the circulat the diesel in DG parts name with pictue

0 Answers   SSP, Wipro,

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What is the difference between Floot charge and Trickle Charge.

1 Answers   Torrent Power,

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1-What is the difference between absorption factor and polarization factor in insulation resistance test in transformers? and why we inject until ten minutes to get polarization factor?

1 Answers  

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Will a load of 15A work if we connect it between one phase and earth?

4 Answers  

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please tell me, how i clear the objective test? when i studied form the one book after i solved the objective ,that time i solved that qes. but if i tried solve objective form the other book then i could not solved these que.

0 Answers  

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What will be the size of copper cable (each for 3 phase and 1 neutral) from Service connection Kit-Kat to Panel Board (i.e. to main switch) for a 6 pole 3-phase AC induction motor of 200 H.P. capacity? Amp-255 A, Frequency:- 1450 rpm.

0 Answers  

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what is the difference between ac and dc?which one is more efficient?and what r their advantages

1 Answers  

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