Answer / pallab jyoti phukon

high dielectric strength,good mechanical properties,they
should not deteoriate with age.

Answer / kcsahoo88

high resistivity,more heat capacity

Can anyone explain me the operating principle of the megger tester?( I just know that its diflection relates with the ratio of currents of control & diflecting coil. I need more information as breif as possible)

1 Answers   TCS,

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why two contacts(in series) are using in closing circuit

3 Answers  

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sigal phase supply is 230 v ac two phase supply is 415 v ac why three phase supply is 415 v ac why not 690 v ac

4 Answers  

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why does not tester light up when it is touched to neutral of 3 pin socket.

4 Answers  

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What is TVSS Protection???

2 Answers   Emerson,

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The cable area of cross section is 185 sq mm. How to convert this to the diameter.

7 Answers   Syscon,

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how do you calculate IKW(consumption per TR) in HVAC?

27 Answers   Aircon, CBRE, Cipla, Clivet, Cushman Wakefield, JLL, Sodexo, Voltas, Wipro,

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Is there any design in the world a 220 KV transformer without breather …??????

2 Answers  

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why voltage rating of transformers are in multiples of 1.1?

3 Answers  

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what is the exact meaning of power

1 Answers   SKB,

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How to reverse the direction of a DC motor ? By reversing the Armature wires or by reversing the field wires

2 Answers   KFC,

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In alternator generally we give DC voltage to field of alternator but field (excitor)produce Ac & converts into DC by rotating rectifier(RR ) then fed to rotor .my question is why we cannot give dc voltage directly to rotor instead of Excitor & RR ?

1 Answers  

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