EASA Part-66 Exam Practice Questions

Module 04 - Electronic Fundamentals

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SubsectionFree Trial Membership QuestionsPremium Membership Questions
04.1.1a - Semiconductors - DiodesDiode symbols; Diode characteristics and properties; Diodes in series and parallel; Main characteristics and use of silicon controlled rectifiers (thyristors), light emitting diode, photo conductive diode, varistor, rectifier diodes; Functional testing of diodes.1212400128989321189
04.1.1b - Semiconductors - DiodesMaterials, electron configuration, electrical properties; P and N type materials: effects of impurities on conduction, majority and minority characters; PN junction in a semiconductor, development of a potential across a PN junction in unbiased, forward biased and reverse biased conditions; Diode parameters: peak inverse voltage, maximum forward current, temperature, frequency, leakage current, power dissipation; Operation and function of diodes in the following circuits: clippers, clampers, full and half wave rectifiers, bridge rectifiers, voltage doublers and triplers; Detailed operation and characteristics of the following devices: silicon controlled rectifier (thyristor), light emitting diode, Schottky diode, photo conductive diode, varactor diode, varistor, rectifier diodes, Zener diode.04000409200092
04.1.2a - Semiconductors - TransistorsTransistor symbols; Component description and orientation; Transistor characteristics and properties.4840082333230033
04.1.2b - Semiconductors - TransistorsConstruction and operation of PNP and NPN transistors; Base, collector and emitter configurations; Testing of transistors; Basic appreciation of other transistor types and their uses; Application of transistors: classes of amplifier (A, B, C); Simple circuits including: bias, decoupling, feedback and stabilisation; Multistage circuit principles: cascades, push-pull, oscillators, multivibrators, flip-flop circuits.09000908400084
04.1.3a - Integrated CircuitsDescription and operation of logic circuits and linear circuits/operational amplifiers;404004280280028
04.1.3b - Integrated CircuitsDescription and operation of logic circuits and linear circuits; Introduction to operation and function of an operational amplifier used as: integrator, differentiator, voltage follower, comparator; Operation and amplifier stages connecting methods: resistive capacitive, inductive (transformer), inductive resistive (IR), direct; Advantages and disadvantages of positive and negative feedback.0100001008200082
04.2 - Printed Circuit BoardsDescription and use of printed circuit boards.380008152100021
04.3a - ServomechanismsUnderstanding of the following terms: Open and closed loop systems, feedback, follow up, analogue transducers; Principles of operation and use of the following synchro system components/features: resolvers, differential, control and torque, transformers, inductance and capacitance transmitters;6000061220000122
04.3b - ServomechanismsUnderstanding of the following terms: Open and closed loop, follow up, servomechanism, analogue, transducer, null, damping, feedback, deadband; Construction operation and use of the following synchro system components: resolvers, differential, control and torque, E and I transformers, inductance transmitters, capacitance transmitters, synchronous transmitters; Servomechanism defects, reversal of synchro leads, hunting.010000100209000209
Total Questions:71760