EASA part 66 / JAR–66  Syllabus        Quiz 3-1      <>   CAA exam  50 questions   More Books


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New Discussion Board www.Jartraining.de/phpBB3            Module 3                              

Books to study Module 3                                


Books for this module from Amazon US
Aviation Mechanic Handbook by Dale Crane for reference
Electrical Systems for A & PS (Ea-412)
Schaum's Outline of Basic Electrical Engineering
Aircraft Electrical Systems: Single and Twin Engine by J. E. Bygate
AC Power Systems Handbook, Second Edition by Jerry C. Whitaker
Aircraft Electrical Systems by E H J Pallett
Automatic Flight Control   E.H.J. Pallett, Shawn Coyle
Aircraft Instruments and Integrated Systems by E H J Pallet
Aircraft: Electricity and Electronics - Glencoe's Aviation Technology Series, Student Study Guide by Eismin

Books for this module from Amazon UK
Aviation Mechanic Handbook  Dale Crane  for Reference
Aircraft Electricity and Electronics (Glencoe's Aviation Technology Series) ~Thomas K. Eismin
Electrical Systems for A & PS (Ea-412)
AC Power Systems Handbook, Second Edition by Jerry C. Whitaker
Aircraft Electrical Systems by E H J Pallett                                   CAA Recommended      The 3 Pallett books are excellent!
Automatic Flight Control   E.H.J. Pallett, Shawn Coyle      CAA Recommended
Aircraft Instruments and Integrated Systems by E H J Pallet      CAA Recommended


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 MODULE 3 — ELECTRICAL FUNDAMENTALS
Category A: 20 multi-choice and 0 essay questions. Time allowed 25 minutes.
Category B1: 52 multi-choice and 0 essay questions. Time allowed 65 minutes.
Category B2: 52 multi-choice and 0 essay questions. Time allowed 65 minutes.
Category B3: 24 multi-choice and 0 essay questions. Time allowed 30 minutes.

MODULE 3. ELECTRICAL FUNDAMENTALS
LEVEL
A    B1    B2    B3
3.1 Electron Theory
1     1     1       1
Structure and distribution of electrical charges within: atoms, molecules, ions, compounds;
Molecular structure of conductors, semiconductors and insulators.

3.2 Static Electricity and Conduction
1    2    2    1
Static electricity and distribution of electrostatic charges;
Electrostatic laws of attraction and repulsion;
Units of charge, Coulomb’s Law;
Conduction of electricity in solids, liquids, gases and a vacuum.

3.3 Electrical Terminology
1    2    2    1
The following terms, their units and factors affecting them: potential difference, electromotive force, voltage, current, resistance, conductance, charge, conventional current flow, electron flow.

3.4 Generation of Electricity
1    1    1    1
Production of electricity by the following methods: light, heat, friction, pressure, chemical action, magnetism and motion.

3.5 DC Sources of Electricity
A    B1    B2    B3
1      2       2       2
Construction and basic chemical action of: primary cells, secondary cells, lead acid cells, nickel cadmium cells, other alkaline cells;
Cells connected in series and parallel;
Internal resistance and its effect on a battery;
Construction, materials and operation of thermocouples;
Operation of photo-cells.

3.6 DC Circuits
—    2     2       1
Ohms Law, Kirchoff’s Voltage and Current Laws;
Calculations using the above laws to find resistance, voltage and current;
Significance of the internal resistance of a supply.

3.7 Resistance/Resistor
—    2      2     1
(a) Resistance and affecting factors; Specific resistance; Resistor colour code, values and tolerances, preferred values, wattage ratings; Resistors in series and parallel; Calculation of total resistance using series, parallel and series parallel combinations; Operation and use of potentiometers and rheostats; Operation of Wheatstone Bridge;
—    1    1    —
(b) Positive and negative temperature coefficient conductance; Fixed resistors, stability, tolerance and limitations, methods of construction; Variable resistors, thermistors, voltage dependent resistors; Construction of potentiometers and rheostats; Construction of Wheatstone Bridge.

3.8 Power
—    2    2    1
Power, work and energy (kinetic and potential);
Dissipation of power by a resistor;
Power formula;
Calculations involving power, work and energy.

3.9 Capacitance/Capacitor
—    2    2    1
Operation and function of a capacitor;
Factors affecting capacitance area of plates, distance between plates, number of plates, dielectric and dielectric constant, working voltage, voltage rating;
Capacitor types, construction and function;
Capacitor colour coding;
Calculations of capacitance and voltage in series and parallel circuits;
Exponential charge and discharge of a capacitor, time constants;
Testing of capacitors.

3.10 Magnetism
A    B1    B2    B3
—    2      2      1
(a) Theory of magnetism; Properties of a magnet; Action of a magnet suspended in the Earth’s magnetic field; Magnetisation and demagnetisation; Magnetic shielding; Various types of magnetic material; Electromagnets construction and principles of operation; Hand clasp rules to determine: magnetic field around current carrying conductor;
—    2     2      1
(b) Magnetomotive force, field strength, magnetic flux density, permeability, hysteresis loop, retentivity, coercive force reluctance, saturation point, eddy currents; Precautions for care and storage of magnets.

3.11 Inductance/Inductor
—    2    2    1
Faraday’s Law;
Action of inducing a voltage in a conductor moving in a magnetic field;
Induction principles;
Effects of the following on the magnitude of an induced voltage: magnetic field strength, rate of change of flux, number of conductor turns;
Mutual induction;
The effect the rate of change of primary current and mutual inductance has on induced voltage;
Factors affecting mutual inductance: number of turns in coil, physical size of coil, permeability of coil, position of coils with respect to each other;
Lenz’s Law and polarity determining rules;
Back emf, self induction;
Saturation point;
Principle uses of inductors.

3.12 DC Motor/Generator Theory
—    2    2    1
Basic motor and generator theory;
Construction and purpose of components in DC generator;
Operation of, and factors affecting output and direction of current flow in DC generators;
Operation of, and factors affecting output power, torque, speed and direction of rotation of DC motors;
Series wound, shunt wound and compound motors;
Starter Generator construction.

3.13 AC Theory
1    2    2    1
Sinusoidal waveform: phase, period, frequency, cycle;
Instantaneous, average, root mean square, peak, peak to peak current values and calculations of these values, in relation to voltage, current and power;
Triangular/Square waves;
Single/3 phase principles.

3.14 Resistive (R), Capacitive (C) and Inductive (L) Circuits
—    2    2    1
Phase relationship of voltage and current in L, C and R circuits, parallel, series and series parallel;
Power dissipation in L, C and R circuits;
Impedance, phase angle, power factor and current calculations;
True power, apparent power and reactive power calculations.

3.15 Transformers
A    B1    B2    B3
—    2      2       1
Transformer construction principles and operation;
Transformer losses and methods for overcoming them;
Transformer action under load and no-load conditions;
Power transfer, efficiency, polarity markings;
Calculation of line and phase voltages and currents;
Calculation of power in a three phase system;
Primary and Secondary current, voltage, turns ratio, power, efficiency;
Auto transformers.

3.16 Filters
—    1    1    —
Operation, application and uses of the following filters: low pass, high pass, band pass, band stop.

3.17 AC Generators
—    2    2    1
Rotation of loop in a magnetic field and waveform produced;
Operation and construction of revolving armature and revolving field type AC generators;
Single phase, two phase and three phase alternators;
Three phase star and delta connections advantages and uses;
Permanent Magnet Generators.

3.18 AC Motors
—    2    2    1
Construction, principles of operation and characteristics of: AC synchronous and induction motors both single and polyphase;
Methods of speed control and direction of rotation;
Methods of producing a rotating field: capacitor, inductor, shaded or split pole.