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.010000100208000208
04.4 - New questionsThese questions have been reported recently. They are new questions to the database. The wording of the questions may not be exactly as they appeared on the real exam. They are currently being researched. If you have any knowledge of the subject, or know of any direct source of information, we would welcome your feedback.00
Total Questions:71759