Solved question paper for BEE Dec-2017 (DIPLOMA Mechanical Engineering (RAC) 1st-2nd)

Basic electrical engineering

Previous year question paper with solutions for Basic electrical engineering Dec-2017

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Question paper 1

  1. SECTION-A

    Q1. Fill in the blanks.

    a. The unit of magnetic flux density is ___________.

    Answer:

  2. b. Wheatstone bridge is used to measure ___________.

    Answer:

  3. c. Electrolyte is ______________ (define)

    Answer:

  4. d. When load is increased it means _________is increased.

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  5. e. The resistance of a conductor ______ with the increase of temperature of the conductor.

    Answer:

  6. f. Nuclear power plant uses process of __________ for producing electricity.

    Answer:

  7. g. Ideal voltage source has __________ internal resistance.

    Answer:

  8. h. Kirchhoff’s laws are valid for both ____________ circuits.

    Answer:

  9. i. One KWH is equal to____________ K cal.

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  10. j. The ratio of true power to apparent power is called_________.

    Answer:

  11. SECTION-B

    Q2. Attempt any five questions.

    i. State and explain Ohm's law.

    Answer:

  12. ii. Write down comparison between electric circuits and magnetic circuits.

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  13. iii. Draw and explain phasor diagram for the R-L series circuit

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  14. iv. State and explain the venin’s theorem.

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  15. v. What do you understand by phase and phase difference in case of alternating quantities?

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  16. vi. Define the terms: MME, Flux, reluctance, susceptibility.

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  17. vii. Give the main advantages of hydro electric power station.

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  18. viii. Compare series and parallel resonant circuit

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  19. SECTION-C

    Q3. Attempt any three questions.

    a. Explain the necessity of Nuclear power generation and discuss the block diagram of a nuclear station.

    Answer:

  20. b. State and explain Kirchhoff’s current and voltage law with examples.

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  21. c. Describe the construction and working principle of Lead-acid battery.

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  22. d. Write short notes on (any two)

    i. Hysteresis loss

    ii. Power factor and its importance

    iii. Solar cell

    Answer: