Answer Posted / trilok kumar (engr-electrical)

Lighting arrestors are used to protect the system from the
lightining surges/high voltage surges.

wave trap is a device that can remove, filter out or
exclude noise and interference from a wave, usually a radio
wave.

It may also be called a Rejector-circuit for radio systems
It is an electronic filtering device designed to exclude
unwanted signals or interference from a receiver.

i want design of D.C.MOTOR 1HP 960RPM AND 2HP 960RPM ITS URRGENT

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what is strip power factor?

1634

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in an electronic tri vector meter when the current and voltage sequence changes ? what is the effect of phase sequence on recording of meter

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I am having a 1500 KVA transformer whose secondary current is 2086A and my connected load is 1000 KVA, I am having 400 KVAR APFCR for PF improvement what ratio of CT should i install in LT EB Bus to get optimum PF improvement?

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Hi,I am working in abroad for more than 3 years in a company operating with 11kv and 6.4 MW power. I need c licence in India,can I? some other says only i can get if i work for 2 years in india only! anybody kindly clarify by doubt.Thanks

1465

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Why phase sequence must be same in any ht motor or generator circuit?if phase sequence doesn't same whatever will be affect on circuit?

1719

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Brief me about maintenance planning & sheduling of machine tool.

1704

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What is stepper motor?

721

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Difference between control junction box (cjb) and power junction box(pjb)?

2982

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What is measurement?

751

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R=*¶ l/a

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1. What is the exact formula for one weber? for example,(one ampere = one coulomb electron of electrons crossing a point of conductor at one second. i.e, 1A=1Q/1sec)

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sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan

1767

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How many kinds of E.L.C.B and how to work E.L.C.B

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What is the need for a controller?

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