Why Lead-Acid cell voltage is 2.1 volt, why we can not chenged it cell voltage by using extra row-material, only incries its AH.

1 Answers  

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What will happen if the d.c. Machine is operated below rated speed?

0 Answers  

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what is phase and neutral.

2 Answers   Birla,

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Why 268hp induction motor taking different current in three different phases? (In which two phase having same current and one having higher value compare to other 2 phases.)

1 Answers  

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What kind of preventive maintenance are there for AC generator?

1 Answers   Gulf,

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how to amps calculate from 1KVA?

11 Answers  

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What is difference between Electrical & Electronic Device? 

7 Answers   AZ Engineering, Vodafone,

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A 400 V, 50 Hz, Δ connected synchronous generator has a field reactance of 0.1 Ω and armature resistance of 0.015 Ω. At full load, the machine supplies 1200 A at 0.8 pf lagging. Under full-load conditions, the friction and windage losses are 40 KW and the core losses are 30 KW. What is the machine’s overall efficiency? Ignore any field circuit losses.

0 Answers   VECL,

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What percentage netural current is in netural depend upon the phase current

1 Answers  

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Why it is necessary to isolate fire fighting when you are taking shutdown for lv board.

0 Answers   KSEB, L&T, Siemens,

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Explain Energy and Power signals?

0 Answers   UOG,

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In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.

0 Answers   PPIL,

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