Answer Posted / shripad

Core type transformer has single magnetic circuit but in shell type double magnetic circuit is used.

What is Annunciation?

1980

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What is the use of bundle conductors?

1121

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What is the effect on power factor, shown by a trivector meter; incase of reverse phase sequence. If the power factor of a system is lag what meter will show in case of reverse phase sequence connected to the meter. and What in case of lead.

2274

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if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?

2505

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why is a power transformer used only occasionally?it is used to step up at generating stations?and that needs to be done all day long !!!!!!!

1833

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In diesel generator how AVR get voltage to excitation. And basic diagram DG EXCITATION CIRCUIT.

3277

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DESCRIBEPNEUMATIC SYSTM OF ASH HANDLING PLANT

5482

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i have completed deee and i've (June2012-feb 2015 experience in electrical maintenance in pvt ltd company.company having HT & LT electrical power.how to apply electrical C-license ,NOW I was resigned my job,what are requirements of applying for c-license

1684

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How halogen & merquery lamp works.

2116

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Difference between field rheostat and armature rheostat.

1176

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i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.

1880

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What are the advantages of a three-phase system over a single-phase system?

1066

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Earth is a conductor or load?then ammeter connect to 3- phase supply,it shows the measurents or not?

2032

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different aspects of voltage stability

1989

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all interview questions with answers of ntpc (2000-2009

2171

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