Basic electrical engineering
Previous year question paper with solutions for Basic electrical engineering Dec-2017
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Question paper 1
SECTION-A
Q1. Fill in the blanks.
a. The unit of magnetic flux density is ___________.
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b. Wheatstone bridge is used to measure ___________.
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c. Electrolyte is ______________ (define)
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d. When load is increased it means _________is increased.
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e. The resistance of a conductor ______ with the increase of temperature of the conductor.
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f. Nuclear power plant uses process of __________ for producing electricity.
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g. Ideal voltage source has __________ internal resistance.
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h. Kirchhoff’s laws are valid for both ____________ circuits.
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i. One KWH is equal to____________ K cal.
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j. The ratio of true power to apparent power is called_________.
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SECTION-B
Q2. Attempt any five questions.
i. State and explain Ohm's law.
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ii. Write down comparison between electric circuits and magnetic circuits.
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iii. Draw and explain phasor diagram for the R-L series circuit
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iv. State and explain the venin’s theorem.
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v. What do you understand by phase and phase difference in case of alternating quantities?
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vi. Define the terms: MME, Flux, reluctance, susceptibility.
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vii. Give the main advantages of hydro electric power station.
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viii. Compare series and parallel resonant circuit
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SECTION-C
Q3. Attempt any three questions.
a. Explain the necessity of Nuclear power generation and discuss the block diagram of a nuclear station.
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b. State and explain Kirchhoff’s current and voltage law with examples.
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c. Describe the construction and working principle of Lead-acid battery.
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d. Write short notes on (any two)
i. Hysteresis loss
ii. Power factor and its importance
iii. Solar cell
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