What is Radio, Navigation Equipment, Autopilot, Cables ,Entertainment System

What is aviation electronics

Radio
Navigation Equipment
Autopilot
Cables
Entertainment System

 

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Aircraft Starting System

 

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Servomechanism

Servomechanism :

                                                A servomechanism is a particular type of automatic control system causing the output to follow an input demand.

 

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SAFETY AND CONTROL DEVICES Switches, types of switches

SAFETY AND CONTROL DEVICES 

A switch is used to start, stop or change the direction of the current in a circuit These are used to control current in electrical circuits

Switches

Most of them are meant to operate at certain times under certain conditions to perform very definite functions

 

LIGHTS on Airplanes explained by "CAPTAIN"Joe :-

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SAFETY AND CONTROL DEVICES ,Fuses And Circuit Breaker

Safety Devices

To protect electrical system from damage and failure caused by excessive current, several kinds of protective devices are installed in the systems.

Circuit Breaker

It is a device which breaks the circuit and stops the current flow whenever the current exceeds a predetermined value.

 

Video

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How to Read a Resistor // COLOUR CODING OF RESISTORS

 

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M4 Electronics (EASA Module 4 Electronics Part66Prep)

M4 Electronics

• Total Question =  388
• Powerpoint  Format 
• Each Slide Have 03 Question

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M-4 Electronics Fundamentals Final Practice Test [20 Question and 25 Minutes]

M-4 Electronic Fundamentals

Final Practice Test

  

 

1. In a forward biased diode, current is carried by ?
   1.   majority carriers
   2.   minority carriers
   3.   both
2. Diodes are ?
   1.   conductors
   2.   semi-conductors
   3.   nsulators
3. A band pass filter excludes frequencies ?
   1.   below the frequency required only
   2.   above and below the frequency required
   3.   above the frequency required only
4. A zener diode is designed to operate ?
   1.   below its breakdown voltage
   2.   either above or below its breakdown voltage
   3.   above its breakdown voltage
5. A triac is a type of ?
   1.   thermistor
   2.   transistor
   3.   thyristor
6. When a PN junction is forward biased, it conducts via ?
   1.   intrinsic carrier
   2.   majority carrier
   3.   minority carrier
7. If the reverse bias voltage across a diode is too high ?
   1.   load current reduces to zero
   2.   load current increases rapidly
   3.   load current reverses
8. An LED which emits green light uses ?
   1.   gallium phosphide
   2.   gallium arsenide
   3.   gallium arsenide phosphide
9. N' type materials are doped with ?
   1.   acceptors
   2.   acceptors and donors
   3.   donors
10. In an NPN transistor the P is the ?
    1.   collector
    2.   emitter
    3.   base
11. The rotor of a magnesyn transmitter is ?
    1.   a permanent magnet
    2.   an ac electromagnet
    3.   a dc electromagnet
12. What device transfers one energy type to another ?
    1.   Transponder
    2.   Transducer
    3.   Transmitter
13. What control system is used on an input that gives a controlled predetermined output?
    1.   Control Servo
    2.   Closed Loop
    3.   Open Loop
14. A rate control servo system with a steady input voltage will give ?
    1.   decreasing speed
    2.   increasing speed
    3.   constant speed
15. The phase difference between the supplies of a two phase induction motor is ?
    1.   90°
    2.   180°
    3.   0°
16. An LVDT has ?
    1.   an output winding which is wound in series opposition
    2.   an input winding whose voltage will change with load movement
    3.   an output winding whose voltage and frequency is linear to load angular movement
17. In a synchro system, if two stator lines are crossed the receiver will ?
    1.   be 180° out
    2.   not be affected
    3.   reverse direction
18. A control synchro system pointer is ?
    1.   actuated by a permanent magnet
    2.   displaced by the torque of the stator
    3.   motor driven
19. TR is the abbreviation for a ?
    1.   transmitter Resolver
    2.   torque Receiver
    3.   torque Rynchro
20. What power is required for a desynn indicator system ?
    1.   DC
    2.   AC 400 Hz
    3.   AC 50 Hz

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B1 Modular Final Exams Questions Quantity and time Information

Category    B-1 

M-1:  Mathematics  

32 Questions      are in final Exams        Time    40 Mints

M-2:  Physics

52 Questions      are in final Exams        Time    65 Mints

M-3:  Electrical

52 Questions      are in final Exams         Time    65 Mints

M-4:  Electronics

20 Questions      are in final Exams         Time    25 Mints

M-5:  Digital Techniques

40 Questions      are in final Exams         Time    50 Mints

M-6:  Material And Hardware

72 Questions      are in final Exams         Time    90 Mints

M-7:  Maintenance Practices

80 Questions      are in final Exams         Time    100 Mints

M-8:  Basic Aerodynamics

20 Questions      are in final Exams         Time    25 Mints

M-9:  Human factor

20 Questions      are in final Exams         Time    25 Mints

M-10:  Aviation Legislation

40 Questions      are in final Exams         Time    50 Mints

M-11:  Aeroplane Structure

132 Questions      are in final Exams        Time    165 Mints

M-12:  Helicopter Aerodynamic

116 Questions      are in final Exams        Time    145 Mints

M-15:  Gas Turbine Engine 

92 Questions      are in final Exams         Time    115 Mints

M-16:  Piston Engine

72 Questions      are in final Exams         Time    90 Mints

M-17:  Propeller

32 Questions      are in final Exams         Time    40 Mints

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M4 Electronic Sub-Module No 1 (Quiz No:1)

 

Diodes

Quiz

 

1. Operational amplifier is commonly known as an____ ?
   1.   "non-op amp"
   2.   "op amp"
   3.   "amp"
2. These are limited to allowing current flow in one direction only ?
   1.   SCRS
   2.   TRIAC
   3.   Both
3. LEDs are simple and reliable,they are constructed of ?
   1.   Conductor material
   2.   Nonconductor material
   3.   Semiconductor material
4. If output of AND gate is one then what will be the inputs ?
   1.   A ,B both are zero
   2.   A zero B one
   3.   A ,B both are one
5. If a capacitor, instead of a resistor, is inserted in the feedback loop, the circuit is classified as ?
   1.   Differentiator circuit
   2.   Integrator circuit
   3.   Multivibrator circuit
6. The most important diode characteristic is its -------------relationship ?
   1.   Voltage-resistance
   2.   Current-voltage
   3.   Anode-cathode
7. By adding more diodes in series, the voltage is ------------- ?
   1.   Increase
   2.   Constant
   3.   Reduced
8. When diode connected in --------------- ,no conduction in resultant diode in both sides ?
   1.   Series
   2.   Parallel
   3.   Series and parallel
9. In a forward biased circuit, the voltage drop is approximately ………... for a silicon diode
   1.   0.3 volts
   2.   0.7 volts
   3.   0.10 volts
10. Nand gate is inverted of…………………gate ?
    1.   Or
    2.   Not
    3.   And

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