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400kv

how u measure/calculate renge of capacitor,capacitor has no any rating tag.what is the theory of measure of capacitons.

2034

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we have 15 ampere variyac but we want 30 ampere variyac what we do

2001

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differnce between single acting and double acting solenoid valves

1886

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What are the commonly used schemes for the bus zone protection?

1115

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Define super node?

1257

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how to changeover ups in this power failur time?

2043

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When a single pase capacitor run motor- run on 230vac and Case(1)run with 8 Mfd 250 vac.capacitor , Case( 2) run with 8 Mfd 400vac capacitor. What is difference between both case regarding power ,efficiency etc?

2111

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from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

2060

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block diagram of 2 ups system connected in hot stand by mode?

8116

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what is the difference between surge protection capacitor and surge arrestor

2377

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Shall I use 40A semiconductor Fuses in 32 A SFU ? Frame size is same. What Happen if Fuses burn on SFU?

2179

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List the characteristics of filter?

1114

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bsnl tta exam question

1937

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In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?

2070

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Saving in copper achieved by converting a 2 winding transformer in to an auto transformer is determined by A voltage transformation ratio B load on secondary C quality of core material D size of transformer core

3239

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