what is the use of choke on tube light fitting

37 Answers   Bhel, Dharma, HSBC, TCS,

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What is MODBUS Controller Used for BMS Mointoring???

2 Answers   Emerson,

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why in a transformer frequency remains constant? if frequency is changing what will happen?

5 Answers  

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if we convert watt into kva,which one formula use by us,pls tell me?

16 Answers   ABB,

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1. which type of transformer connection is preferred in case of power supply transformers? (A) Star/Star (B) Delta/Delta (C) Star/Delta (D) Zig Zag/Star 2. In a power transformer usuall which winding is closer to the core? (A) Primary winding (B) Secondary winding (C) Low Voltage winding (D) High Voltage winding 3. The power factor of a purely inductive load is (A) Zero (B) Lagging (C) Leading (D) Unity.

9 Answers   CECRI_Central_Electrical_Research_Institute,

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during the period of armature reaction ,if the brush shift is not accomplish, what happen?

1 Answers  

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What is the work of ACCP in LT panel?

5 Answers   Juniper Networks,

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why low pressure side of the turbine is connected to the alternator and not the high pressure side??

1 Answers  

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WHY MOSTLY BATTERY VOLTAGE IS IN MULIPLE OF 2 LIKE 2V,4V,8V,16V,18V....

2 Answers   Exide,

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what type of relays used in transformers?

24 Answers   APTransco, BSNL,

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Why generating voltage is limited up to 22kV?

4 Answers  

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Why earthing is required, and what effect in earthing result is more than 5 ohm and less than 5 or equal to 0 ohm

2 Answers  

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