Placement Papers: RIL April 2008

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Hello Friends, I took RIL written test on 6th April 2008 at Sri Baghwan Mahaveer Jain College, Bangalore

It comprised of 2 tests:

  1. Mental Ability Test MAT-75 question in 30 mins

  2. Subject test related to one's engineering. In my case it was Electrical & Electronics-50 questions in 30 mins MAT comprised of very simple question, english and simple maths. Does not need any preparation. All the questions were Multiple Choice Questions except a few in which we had to write the answer. All Mental Ability Test was given from previous papers only. Time is very important


  1. 12 at angle of 30

  2. color of Silica gel

  3. what is logic gate called two switches in series

  4. Binary equivalent of 15 ans: 1111

  5. laplace transform of impulse function. Ans: 1

  6. SF6 gas is a ____________ Ans: Electronegative gas

  7. which relay is used to protect transformers when internal faults occurs ans: Buchholtz relay

  8. In aline when faults occurs which one operates first

  9. Question on corona i.e.. production of ozone gas, hissing noise, power loss

  10. In 3 phase induction motor slip = 4%, speed = 750 rpm, 4 pole, find frequency?

  11. one question on Ferranti effect

  12. The most commonly used insulation in high voltage cables

  13. Form factor = rms value/Avg value

  14. How to find Rth in thevinen's theorem

  15. which lamp consumes more current

  16. X is a new reactance, name plate details of induction motor 20KV and 100 MVA are given and also base units are given 25 KV, 500 MVA, old reactance is 0.25 find new reactance.

  17. In a transmission line delta connection draws 45 amps then what about star connection draws

  18. one question on chopper

  19. which circuit breaker is used for high voltage & low currents

  20. which relay is used to protect generators and motors

  21. simple problem on transformer like 200/400, 10 KVA, iron and copper losses are given we have to find efficiency

  22. In a transformer working on 400 hz is made to work on 50 hz then it power will become ans: b

  23. In a circuit, shunt element is placed in order to

  24. which converts decimal to binary

  25. one simple problem on EMF equation of a generator

  26. The footcandle (lumen per square foot)

  27. The lux is one lumen/meter2

  28. some question on alternator when supply is not given and having constant (I hav not remember the question)

  29. In a transformer equivalent primary resistance as referred to secondary is ans: k2R1 Refer in options s is also given

  30. some questions on circuit breakers like. The voltage that appears across the contacts of the circuit breaker during the arcing period

  31. The transient voltage that appears across the contacts at or near current zero during arcing period.

  32. The voltage that appears across the contacts of the circuit breaker after final arc extinction.

  33. Question on Electrical field strength ans is 30KV/cm