Master Entrance for Electrical Engineering at IOE consist of 2 section, 120 marks and 3 hours. The details of question for master entrance is as follow.
SECTION A
1. Basic Electrical Circuits (12)
• Circuit fundamentals: Series & parallel circuits, circuit elements, independent & dependent
sources, Ohms law, Krichoff’s Voltage & Current Laws
• Network Theorems: Thevenin’s, Nortan’s, Maximum power & Reciprocity Theorems
• AC circuits: Concept of complex impedance, Phasor diagram, Active, Reactive &
Apparent power, Resonance in AC circuits
• Three phase circuits: Phase & line quantities in three phase system, 3-phase power
• Transient response: Transient response analysis for R-L, R-C & R-L-C circuits. Pole zero plots
• Two port Networks: Z -parameters, Y-parameters & ABCD-parameters
2. Electrical Machines (12)
• Electromagnets: Magnetic circuits, Fleming’s Right hand & Left hand rules, Farady’s Law of electromagnetic induction, Electromechanical energy conversion principle
• Transformers: Equivalent circuits, Phasor diagrams, Losses & efficiency, Voltage regulations, Instrument transformers, three phase transformer connections, parallel operation of 1-N & 3-N Transformers
• Synchronous m/c: Operating principle, Effect of excitation, Power angle characteristic, Phasor diagrams, Losses & efficiency, Voltage regulations, parallel operation of alternator
• Induction machine: Operating principle, T-S Characteristics, Losses and efficiency, Testing, Starting methods, Speed control
• DC motor: Operating principle, Characteristics of different types dc motor, Speed control and starter