Elements of Electrical Engineering (312315) MSBTE QuAn Question Answer Book

Description

QuAn Book – Elements of Electrical Engineering (312315)

The QuAn Book for Elements of Electrical Engineering (Subject Code: 312315) is a premium study material designed for MSBTE K-Scheme Diploma Engineering students. It provides a complete, topicwise question bank with model answers to help you score maximum marks.

Syllabus Coverage (MSBTE K-Scheme)

• Unit I – Magnetic circuits: Define and state units of Magnetic flux, Flux density, Magnetomotive force, Magnetic field strength, Permeability; Electric circuit and magnetic circuit analogy and differences; Series and parallel magnetic circuit; Faraday’s laws of electro-magnetic induction, Lenz’s law, Fleming right hand and left hand rule; Dynamically and statically induced emf, self and mutual induced Electromotive force and its inductances
• Unit II – A.C fundamentals for single phase and polyphase circuits: Define A.C. and D.C. quantities, advantages of A.C over DC; Single phase sinusoidal A.C. wave: instantaneous value, cycle, amplitude, time period, frequency, angular frequency, R.M.S. value, average value for sinusoidal waveform; Vector, polar and complex forms representation of an ac quantity, phase angle, phase difference concept of lagging and leading; A.C through pure resistance, inductance and capacitance. Its equation, vector diagram and waveform; Define polyphase system and advantages of three phase system over single phase system; Generation of three phase induced emf and its waveform; Phase and line currents, phase and line voltages in star connected and delta connected balanced load system
• Unit III – Transformers and DC motors: Transformer construction and working principle, emf equation, voltage ratio, transformation ratio; Auto-transformer, Pulse transformer and Isolation transformer construction, working principle and applications; DC motor construction and working principle; Different types of DC motors with its schematic diagram; Applications of DC motors
• Unit IV – Fractional horse power motors: Construction, working principle and application of split phase single phase AC induction motors; Construction, working principle and application of universal motor and reversal of direction of rotation; Construction, working principle and application of stepper motor. Only concept of speed control, stepper motor’s reversal of direction of rotation; Construction, working principle, specification and application of linear induction motor
• Unit V – Electrical protective devices: Electrical general safety rules, Personal Protective Equipment (PPE), Selection of wires and cable as per application; Type of fuses, operation, connection diagram and application of fuses, Miniature Circuit Breaker(MCB), Moulded Case Circuit Breaker (MCCB), Earth Leakage Circuit Breaker(ELCB)operation, connection diagram and general specification; Draw circuit connection diagram of Protective devices; Need of Earthing, methods of earthing, types of earthing and factors affecting earthing as per Indian Electricity rule

What’s Inside the QuAn Book?

• Topicwise Question Bank – All important 2, 4 and 6 marks questions by unit
• Model Answers – Step-by-step solutions with diagrams and marking scheme
• Previous Exam Questions – Actual MSBTE Summer and Winter exam questions
• Frequency Analysis – Most repeated questions highlighted for focused study
• Marking Scheme – Know exactly what to write to score full marks
• Last Minute Ready – Ideal for quick and focused exam preparation

Subject Code: 312315 | Subject: Elements of Electrical Engineering | Board: MSBTE | Scheme: K Scheme | Published by: ReemaS Edutech, Kolhapur