Why two phase welding machine is used instead of three phase welding machine.

0 Answers   Merck,

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I have a reading off 1.5ohms at my mem my main c/b is rated at 40/6 amps in a domestic house and i was told to change it to a b curve c/b is this ok

0 Answers  

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What is mean by % impedance of transformer? detail explanations expected.

1 Answers   FCUK,

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why battery is connected in series?

10 Answers   HP,

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when generator of a power plant is not connected to grid , by increasing the mechanical torque speed of rotor increases but when it's connected to load instead of increase in speed current increases , why?

1 Answers  

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Brief working principle of stabilizer,application & safety precautions

0 Answers  

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Is it any dc fuses availbale in market? can we use one fuse for both AC & DC ?

6 Answers  

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which is batter in construction job,ELCB or RCCB?

7 Answers   HCC,

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can a rotating machine give the DC output without commutator? if yes, how? if no, why?

6 Answers   BARC,

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How to calculate the electrical load for a standard telecom BTS shelter and capacity of DG set required to cater to this load?

3 Answers   Bhel, INDUS, Indus Towers,

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Why a dc generator gives result during two different condition,- 1)separately exited gen.- Eg=110 V, field current=0.25 A. 2) self exited gen.- Eg=30 V, field current=0.025 A.

1 Answers  

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Why the ratation of fan is anticlockwise all over the world?

2 Answers   GNFC,

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