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Introduction to Electrical Engineering — Minor 2 2023 question paper

MMMUT Chemical Engineering previous year question paper for Introduction to Electrical Engineering (BEE- 104), semester 1, Minor 2 2023. All 8 questions are listed below, each with a written answer on Nexsus.

Paper details

  • Subject: Introduction to Electrical Engineering (BEE- 104)
  • Branch: Chemical Engineering
  • Semester: 1
  • Exam: Minor 2 2023
  • Questions: 8

Questions asked in Introduction to Electrical Engineering Minor 2 2023

  1. Q1(a). Discuss resonance in R-L-C series circuit. Derive an expression for resonant frequency for R-L-C series circuit. [5 marks]
  2. Q1(b). Find out the average and effective values of half-wave bridge rectifier circuit fed with a.c. sinusoid. [3 marks]
  3. Q1(c). The voltage applied to a circuit and the current flowing in the circuit is Determine the impedance, resistance, reactance, power and the power factor of the circuit. [3 marks]
  4. Q2(a). Derive the emf equation of single-phase transformer and explain its construction, types & working principle. [4 marks]
  5. Q2(b). Explain the magnetic circuit and differentiate between magnetic circuit and electric circuit. [3 marks]
  6. Q2(c). A $200\text{ kVA}$ transformer has an efficiency of 98% at full load. If the maximum efficiency occurs at three quarters of full load, calculate the efficiency at half load. Assume negligible magnetising current and power factor of 0.8 at all loads.3 [3 marks]
  7. QQ1. Attempt any Two parts of the following. Q. 1 (a) is compulsory.
  8. QQ2. Attempt any Two parts of the following. Q. 2 (a) is compulsory.