What are the different protection systems takes place on control panel board?

7 Answers   BSNL,

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Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.

0 Answers  

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while checking the flourscent tube elctrodes some glow is cominag. this type of glow tube working or not working

1 Answers  

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A current of 2A flows for 10 hour through a 100 ohm resistor. The energy consumed by the resistor is:(a) 0.5 kWh(b) 4 kWh(c) 2 kWh(d) 0.02 kWh

3 Answers  

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Why in Digital Megger for finding Insulation resistance,-ve is applied to core or conductor and +ve is applied to ground.

1 Answers   ACC,

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what is the working difference b/w softstarter and Variable frequency drive ?

6 Answers   Parle,

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what will happen if 11KV is given to 1.5 square mm cable connected with constant load of 10A ?what will be the condition of cable after injecting the voltage?

1 Answers  

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What happened when capacitor connect series in ac circuit?

0 Answers  

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how calculate external illumintion in a compound area. for e.g. there is one open park having 600m2 area and i have to put 40w flouresent tube fitting with pole. how shall i calculate the numbers of fitting.

1 Answers  

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At full load wat is the motor p.f And at no load will is the motor p.f?

0 Answers   GEPL,

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3ph motor running with unequal kw and different pf what are the reasons

0 Answers   UltraTech,

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what will happen if u run induction motor beyond its rated speed

13 Answers   Adani, BARC, Bescom,

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