Answer Posted / john

It should be zero

what is the principle of operation of CFL ??

2716

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write encoder 17 pins details? pin a;b+, pin b;w+,..pin s & t. what is the meaning of b+, w+? explain;

2200

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DESCRIBE THE CONSTRUCTION ANDOPERATION OF BELT CONVEYORS AND SCR CONVEYORS , DRAW NEAT SKETCHES

2120

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Which is the largest hydropower station in the world?

1189

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explain different types of d.c motors?

1227

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In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.

1799

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1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?

2597

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formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?

2274

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

1405

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What is the basic of DTH.

2376

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I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

2024

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could anybody able 2 send me jindal steels previous papers fr electrical steam....pls send 2 my id if possible....sirisha.shaik@gmail.com

2136

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If Polarization index of motor 8.75 at 500volts of medium voltage 4.16 KV motor what this mean winding good or bad pl answer if any reffrence book give me the link

2165

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how could we know the size of cable by physical view?

1675

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what is a speed of rotor when we give supply to stator of 50hz and as well as rotor of 60hz of an induction motor?????

1686

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