if a 3 point starter is not available, how can a dc motor be
started?
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Rheostat connected series with the armature
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what is the purpose of bypass mode in energy lighting transformer?
does frequency affects the load? if yes elaborate it.
Where I can get the sample question for post of Junior engineer electrical-II For RRB Bhubaneswar.
why florescent light was flickering?
what ll happen to current if two phases get short circuited
We have .ht motor which is 60Hz.we run on 50Hz.so that it's speed reduce but we had one prob.that motor winding temp increase up to 135 deg.we want reduce this temp.what to do?we arrange ext.cooling fan but not much effect.we want reduce this temp. Inhouse without affecting much.cost. also don't want reWINDING OF MOTOR?
WHEN WE TOUCH THE BOTH TERMINALS OF BATTERY WHY NOT THE D.C BATTERY GIVE US SHOCK SUCH AS A.C SUPPLY?
1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?
what s the differenc between electrical &electronis , how to define them
What does the kvar means?
in catridge heeter watts =110, 260 v , i checked in multimeeter meeter shows 50 ohms but oms law r=v square /w 260*260=67600, and 67600/110=614.5 ohms how to caluclate exact ohms in heetre s
What is the meaning of dedicated earthing?
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