Answer Posted / abhishek ranjan

when we connect dc motor to ac supply. the moter will rotate
but high heat is devlops which can cause damage in armature
winding and brushes.......

If the line voltage is reduced to 75% of its rated value then by what percentage current will reduce ?? 75% 25% 50% no change and why ?

2150

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a starter used for squirrel cage induction motor?

1638

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do we use links in a dc circuit?if so what s its use in it?

1973

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I want to put this query to SENIOR & EXPERIENCED ELECTRICAL ENGINEERS. 1)I want to know about the control circuit diagrams for control panels. I found it difficult to understand. Is there ant booklet through which we can learn the circuit diagrams? 2)I want to learn about conduiting, laying cables, preparing cable schedules and various techniques which is the part of building infrastucture(construction field). I don't have any experience in this area. I have experience in control panels only. that's why i am not getting any opening in building infrastucture (construction field).Can I get the job in this field as Trainee Engineer? How to enter this field? I need job in PUNE

1891

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solar energy light efficiency & disadvantages?

2061

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Differentiate between Zero and Negative sequence current

1864

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i had aplied Hindustan Petroleum corporation limited for the post of maintenance technician -Electrical,i want model questions,if anybody have please send it or please advice?

1829

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why we use Test Terminal Block in 11 KV and 33 KV electrical panels.

1331

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What does ampere turns shows?

1063

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What are the main advantages of generalized error co-efficients?

1116

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Can u tell me design of switch yard

2119

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how can maintain the power factor and why and this is how do work tell us

2032

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

1896

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What happen if 200 KVAR capacitor connected to power continuesly?

2079

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how to calculate the earth fault current

2461

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