Answer Posted / vinod

for 3 phase balance phase voltage, earth fault detection
and humen/equipment safety

Why line VTG = √3 phase VTG in star? How?

1538

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Explain about retrofitting of machine tool.

1848

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in a simple IDMT relay we use neutral point of ct for earth fault then what is the requirement of neutral ct and cbct?

2107

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hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"

2037

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what is the standard duration after failure EB power

1780

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what kind of quetions will ask in BHEL in interview? Plz help me?

2054

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Why High voltage are generate noise ?

1440

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When distance between two pulleys is not fixed, the tension of belt is adjusted by a) driver shaft b) driven shaft c) adjustment screw d) belt

2973

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why -48 volts dc used in telecommucation

2547

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explain the what is a drive ? 0 4 which type motor r use in the celling fan..... PCB plannet 2 13 If stator & rotor of a 3-phase induction motor have different no. of poles, will the motor run or not?? types of drives Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only. ACC 1 41 how the 3phase induction motor is running in 2phase supply with help of capacitor? 1 33 what is the actual difference betwen constructional details and constructional features? 1 20 how does commutator convert a.c to d.c?

4505

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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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how to check ac servo motor

2204

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why the voltage and current in a long transmission line are called travelling wave?

2172

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difference between crane drive and line drive.

1848

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What are test signals and their significance?

1084

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