What is the deffrence between Siemens S7-300 & S7-400 PLC?

4 Answers   ADC,

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3. What is Impedance Voltage in Transformer?

16 Answers   KESC, L&T, Torrent Power,

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what happen if we give 220 volts dc supply to d bulb r tube light?

9 Answers   NHPC,

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why we use condenser in the thermal power plant, althrough the same vapour will be again heated

0 Answers   Bhel,

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difference between shunt coil and tripping coil

8 Answers   GE,

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How we calculate the current carrying capacity of H.T. cabel?

0 Answers   Bhel,

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Write the analogous electrical elements in force voltage analogy for the elements of mechanical translational system.

0 Answers  

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difference between turns ratio and transformation ratio?

2 Answers  

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why the AC or DC motor takes high starting current?

2 Answers  

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What is required of exietation to the alternater.

4 Answers  

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what is meant by armature reaction & where its happen ?

3 Answers  

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What are the effects of armature reaction on a DC machine and discuss the various methods to reduce the effect.

1 Answers  

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