What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?

0 Answers   Jindal Steel and Power,

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Why the transformers making noise?

2 Answers   L&T,

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Why a tesa lamp is glow between two phase?

0 Answers  

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33kv Rated output avilable in market (any where in india)

0 Answers   C2C,

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WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?

0 Answers  

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Is there any option to replace two Genset of capacity 125KVA with one higher capacity for same office?

8 Answers  

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What is the difference between double compression

7 Answers   Bhel, Hyundai, Orchid Chemicals and Pharmaceuticals, PDO, Prefamac,

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Why Trasformers rated in KVA

13 Answers   College School Exams Tests, HAL, Oil and Gas Jobs,

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

7 Answers   BSNL,

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working principles of a generator

3 Answers   Cairn,

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what is the diff.between neutral and earth?

4 Answers  

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What is the distance between the EHV lines and also the distance for earth ??

2 Answers  

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