Answer / will

It depends on the torque required, and then decide the
motor class as A, B, C or D.

what are the methods of speed control of dc motor???

4 Answers  

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Sparking occur when a load is switched off because the circuit has high – a.) Inductance b.) Capacitance c.) Resistance d.) None

3 Answers   Ecil,

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List the characteristics of filter?

0 Answers  

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difference between a four point starter and three point starter

9 Answers  

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What is the current carrying capacity of 1.5 rm and 2.5 rm cable

1 Answers   RFL,

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Why electrical power generation and transmission done in 3 phase system not more than 3 phase ?

0 Answers  

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why chock were used in old tubelights but are not newest tubelights?

0 Answers  

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Pls explain about vfd control?Where it is used, Give some example?

3 Answers   Siemens,

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For these 2 devices what their power ratings are ? 1) single phase : AC 220V & starting amps 3Amps (i.e. starting torque) and the stabilized amps 2A ... For deep freezer 2) single phase : AC 220V & starting amps 2.7Amps (i.e. including the starting torque of a CRT monitor) and the stabilized amps 1 Amps thanks

1 Answers  

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what is mcb

7 Answers   L&T,

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when generator of a power plant is not connected to grid , by increasing the mechanical torque speed of rotor increases but when it's connected to load instead of increase in speed current increases , why?

1 Answers  

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can anybody sent me power grid questions. what subject should i prefer for preparation?

0 Answers   Reliance, Vascon,

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