Answer / md ahmeduddin farooqi

A feedback system that consists of a sensing element,
amplifier, and servomotor, used in the automatic control of
a mechanical device.

What is the difference between MCCB,ELCB,RCB & MCB

2 Answers   Bhel, HCL, HPL,

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what may the reason for vector shift in a generator?

0 Answers  

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Can anybody post questions asked in Engineers India Limited Interview? Thanks in advance.

0 Answers   Engineers India Limited,

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Transmission line design. Say, I have a 1MVA generator and 2 transformers that will have the same load. What would be the proper rating of the trasformers? Is it safe to say, that I will simply divide the total rating of the generator?

1 Answers  

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how we are measuring the winding temperature of the transformer?

11 Answers  

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funtion of choke

4 Answers   L&T,

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why current is leading in capacitor?

1 Answers   PSU,

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is there any lightning by passer is arranged in ship like buildings?

0 Answers  

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what types of electrical & mechanical test conducted in switchyard?

0 Answers  

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what is the significance of KV & MVA rating of the transformer and how they are related.

8 Answers  

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WE are using a 63A MCCB(SIEMENS MAKE) for one of the feeder in LV substation panel.It is supplying to a lighting & power socket DB.Settings in the MCCB is Ir = 63 * 1 , Isd = 8 times of Ir , tsd = 0.5 sec( I2 t off). Sometimes this MCCB is tripping .But no trip in DB MCB. Can anybody tell me reason ? From where i can know about the MCCB settings?

5 Answers  

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why two fuses are used in battery charging room?one in positive line and the other in negative line?do any DC system require two fuses?

1 Answers   HPCL,

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