Reliance Energy (REL) Placement Paper Technical - Other IT-BHU,Varanasi-26 Dec 2007
RELIANCE ENTERGY LIMITED PAPER ON 26th DECEMBER 2007
Hi friends,REL team had visited our college on26th dec ,coming to selection process ,it consists of 3 rounds.1. Written test2. GD(not an elimination round)3. Interview (technical)
WRITTEN TEST (electrical)It consists of 30 objective questions, these r problematic as well as theory questions. i remembered few questions.1. In a series RLC circuit Fo is resonace frequency, if LC r doubled wat is new resonace frequency?2. R=5 ohm, V= 5v, f=200 hz, and given conditions r VL=VC= 2VR , find L=?3. Comparision between maxwlls and hey bridge.4. VPQ=?5. Find R in a balanced bridge network.?6. Choose right statement among following?. ANS: CT secondary should not open.7. In a Transfer at no ?load friction and windage losses r called as ???..(ans : Iron losses)8. Maximum power transfer through line ..V1= 110 kv, V2= 100kv, X=22 ohm,?.( ANS: 500 mw)9. Shunt reactor effect on Trans. Line10. Series capacitor effect on Trans. Line11. Velocity in distilled water(e= 81)?magnetic field intensity find electrical field intensity(I did not remember)12. Question on pointing vector13. If a dc machine (p=6;z=some value ;r=some value having lap winding then re winded machine winding as a wave winding find armature resistence?14. In a Dc series motor having 2 pice of field winding in series if the field winding is re- wounded as two parallel paths then speed of motor(at constant torque)15. For above rated speed the type of speed controls method (in case of DC motor)?16. Statements regarding transformer (1.constent flux.2..3..4..)17. Question on regulation of alternator at zero leading PF(ans : -50)18. Question on power transmission in T.line . T.line having 2 generators at either ends A,B.To reduce the power angle ??.ANS: decrease power B and increase power A.19.regarding relay parameters, settings.(problem)20. in a synchronous motor if load is increasing then armature current is decreasing then initially machine is operating at what PF?( I AM NOT SURE ?..21.IN slip ring induction motor if the supply is given to rotor and stator is SC?ted then the speed of motor W.R rotating magnetic field?22.at what condition syn machine absorbs reactive power ?23. Question on parallel operation of alternators load sharing?
wish u all the best
2009-2016 downloadmela.com. All rights reserved.