angadi sivapreethi


{ City } tirupati
< Country > india
* Profession * student
User No # 74036
Total Questions Posted # 1
Total Answers Posted # 5

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Total Views for My Questions # 5146

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Questions / { angadi sivapreethi }
Questions Answers Category Views Company eMail

what is differnce between grounding and earthing or both are same?

 3 Electrical Engineering 5146



Answers / { angadi sivapreethi }

Question { Hero Honda, 12874 }

why neutral wire thin than phase wire in 4pole conductor


Answer

please sir can u explain once again clearly and another doubt
if any abnormal conditions in phases neutral grounded is essentially needed?

Is This Answer Correct ?    0 Yes 1 No

Question { Hindalco, 9540 }

what will happen if the input of a transformer is dc?


Answer

yes in d.c no alternating supply ,no change of current with respective time no e.m.f induces as we know that transformer is a static device works on principle of mutual induction no flux means no induction.hence it not works with d.c. suply

Is This Answer Correct ?    2 Yes 2 No


Question { CECRI_Central_Electrical_Research_Institute, 10993 }

1. which type of transformer connection is preferred in
case of power supply transformers?
(A) Star/Star
(B) Delta/Delta
(C) Star/Delta
(D) Zig Zag/Star
2. In a power transformer usuall which winding is closer to
the core?
(A) Primary winding
(B) Secondary winding
(C) Low Voltage winding
(D) High Voltage winding
3. The power factor of a purely inductive load is
(A) Zero
(B) Lagging
(C) Leading
(D) Unity.


Answer

the power factor of purely inducive load is lagging.

Is This Answer Correct ?    6 Yes 3 No

Question { Torrent Power, 34810 }

What is the permissible value of earth resistance!


Answer

may be earth resistance value is considered as ideally zero.but it is mostly less than 1 ohm.

Is This Answer Correct ?    12 Yes 5 No

Question { 5199 }

wt wil happen if a 120kv line is grounded


Answer

yes ,line to ground fault occurs so it may short circuit.

Is This Answer Correct ?    3 Yes 0 No