How to select a contactor? How many types of contactors are available

0 Answers   TCS,

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please send 5yearje solved papers on my email himmatsinghnathawat@gmail.com

0 Answers  

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The MCB circuit breaker have a voltage rating of 440VAC it's possible to supply a voltage of 480Vac

1 Answers  

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why we not using 230kv directly why we are stepping down and then stepping up

2 Answers   Siemens,

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How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?

0 Answers   Dhanam Enterprises,

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what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable

0 Answers  

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what do u mean by starting torque? how it should be for a good motor? what is the relation between starting torque and power factor? What is the relation between efficiency and starting torque?

2 Answers  

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60 watts bulb and resistor home heater is connected in series and 230v is given to the circuit. The heater is giving some amount of heat. If instant of 60 watts bulb replace 100 watts bulb what will be the output of the heater?

2 Answers   NPCIL,

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what is mean by induction & conduction principle ? how they differ from each other ? thank you

1 Answers  

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1)What is a Triode? What are its uses? 2) What is a Triac? 3) What is a Thyristor?

0 Answers   Bosch,

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why we use ac as a electric appliance in home or daily use?

1 Answers   MNC,

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IF HT CAPACITOR IN ON POSITION IS THERE ANY LOSSES I.S I SQURE OCCURS IN THE SYSTEM

0 Answers  

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