Solved question paper for BEE Dec-2016 (DIPLOMA mechanical engineering 1st-2nd)

Basic electrical engineering

Previous year question paper with solutions for Basic electrical engineering Dec-2016

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Question paper 1

  1. SECTION – A

    Q1. Attempt all Questions

    1. Units of magnetic flux is ……..

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  2. 2. Like poles of magnet ……… each other.

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  3. 3. Lead Peroxide is ……….. in colour .

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  4. 4. Capacity of the battery is expressed in ………..

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  5. 5. Photo-electric cell converts ……… energy into electrical energy.

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  6. 6. Frequency of DC is ………..

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  7. 7. Peak factor is the ratio of Max. Value to ………..

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  8. 8. In RLC series circuit the current drawn by circuit at resonance is ………….

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  9. 9. Power factor of RLC series circuit is always ………..

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  10. 10. Cooling towers are used in………….

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  11. 11. When load is increased it means ………..is increased

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  12. 12. The resistance of carbon …………..when temperature is increased .

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  13. 13. Superposition theorem can be applied only to …………networks

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  14. 14. Kirchhoff’s laws are valid for both ………….circuits

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  15. 15. A relay coil is a …………magnat .

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  16. SECTION – B

    Q2. Attempt any five Questions

    a) State and explain Ohms law

    Answer:

  17. b) Calculate the new resistances of the wire if its length is double and area is reduce to half.

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  18. c) Explain Norton theorem.

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  19. d) Explain magnetic flux density and its unit.

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  20. e) What are the electric characteristics of batteries?

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  21. f) Define Power factor.

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  22. g) Discuss nuclear power plant in brief.

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  23. SECTION – C

    Q3. Attempt any three Questions

    (a) Explain Kirchhoff’s Voltage and Current law in details.

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  24. (b) State and Prove Thevenin’s theorem.

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  25. (c) Explain Hysteresis in detail. What is the significance of hysteresis curve?

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  26. (d) Explain RC series circuit in detail with phasor diagram.

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  27. (e) Drive the expression where AC is applied to pure inductance.

    Answer: