Answer / k.prakashchandra

Earth resistance of an electrode is measured without its
connections.When two cables are used in parallel,the cable
having lower resistance will share more current so that the
pd in both cables will be equal.

explain why the armature voltage changes when the field rheostat is varied in self excited DC generator

2 Answers  

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How many Zones can be in Conventional type fire alarm system & how can we detect the fire in Conv. type FAS?

0 Answers  

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What will happened, if field voltage change with 220 voltage to 110 voltage for a dc shunt motor?

1 Answers  

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haw to calculate resistance of induction motar

1 Answers  

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What is vaccum currcuit breaker.define with cause and where be use it device?

0 Answers  

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7/20,3/20 electrical wire is specified as stated.Why?

1 Answers   TCS,

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what is the working of air drayar

1 Answers  

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how can we make cable shedule for controll wiring ? which details must be required for it.?

0 Answers   L&T,

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Could Please Explain briefly. Why used stabilizing resistance series with High impedance bus differential protection relay.

0 Answers   NCC,

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how to improve IR value in HT motors?

3 Answers   ABB, AMW, Macleods,

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WHAT ARE THE SITE TEST APPLIED ON A SURGE ARRESTORS? DO MEGGER TEST APPLIED ON SURGE ARRESTOR? IF YES THEN WHAT ARE THE ACCEPTED IR VALUE REQUIRED FOR SURGE ARRESTORS FOR VOLTAGE LEVEL 11KV, 33KV, 66KV 132KV, 220KV AND 400KV?

5 Answers  

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What is the difference between grounding & earthing?

9 Answers  

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