Exam Primer

Overview
1. Regulations and Policies
  • Authority and Regulations
  • Licence
  • License Penalties
  • Certificate
  • Operation, Repair
  • Content Restrictions
  • Operating Restrictions
  • Interference
  • Emergencies
  • Non-remuneration, Privacy
  • Call Signs
  • Other Countries
  • Frequency Bands
  • Power Allowed
  • unmodulated carriers, retransmission
  • amplitude modulation, frequency stability, me
  • International Telecommunication Union (ITU)
  • Exams
  • Antenna Structures
  • RF Field Strength
  • Resolving Complaints
  • 2. Operating and Procedures
  • VHF/UHF Repeaters - Voice
  • Phonetic Alphabet
  • Voice Operating Procedures
  • tuning, testing and dummy loads
  • Morse Code (CW) procedures
  • RST signal reporting, S meter
  • Q Signals
  • Emergency Operating Procedures
  • Record Keeping, Antenna Orientation and Maps
  • 3. Station Assembly, Practice and Safety
  • Layout of HF Stations
  • Layout of FM Transmitters
  • Layout of FM Receivers
  • Layout of CW Transmitters
  • Layout of SSB/CW receivers
  • Layout of SSB Transmitters
  • Layout of Digital Systems
  • Layout of Regulated Power Supplies
  • Layout of Yagi-Uda Antennas
  • Receiver Fundamentals
  • Transmitter, carrier, keying, AM
  • Carrier Suppression, SSB
  • Frequency and Phase Modulation
  • Station Accessories
  • Digital Modes
  • Batteries
  • Power Supplies
  • Electrical Safety
  • Antenna and Tower Safety
  • RF Exposure Safety
  • 4. Circuit Components
  • Amplifier Fundamentals
  • Diodes
  • Bipolar Transistors
  • Field-effect Transistors
  • Tiode Vacuum Tubes
  • Resister Color Codes
  • 5. Basic Electronics and Theory
  • Metric Prefixes
  • Basic Concepts
  • Circuits
  • Ohm's law
  • Series and Parallel Resistors
  • Power law, Resister Power Disipation
  • AC and frequency
  • Ratios, Logarithms and Decibels
  • Inductance and Capacitance
  • Reactance and Impedance
  • Magnetica and Transformers
  • Resonance and Tuned Circuits
  • Meters and Measurements
  • 6. Feedlines and Antenna Systems
  • Impedance and Feedlines
  • Balanced and Unbalanced feedlines
  • Feedlines and Connectors
  • Line Losses
  • Standing Wave Ratio
  • Impedance Matching
  • Isotropic Sources, Polarization
  • Wavelength vs Physical Length
  • Antenna Radiation Patterns
  • Vertical Antennas
  • Yagi Antennas
  • Wire Antennas
  • Quad/loop Antennas
  • 7. Radio Wave Propagation
  • Propogation Types
  • Ionospheric Regions
  • Hops and Skips
  • Ionosphere Issues
  • Solar Activity
  • MF and HF and Skywaves
  • VHF and UHF, Sporadic-E, Aurira, Ducting
  • Scatter - HF, VHF, UHF
  • 8. Interference and Suppression
  • Front-end overload
  • Audio Rectification, Bypass Capacitors, Ferri
  • Intermodulation, Spurious, Key-clicks
  • Harmonics, Splatter, Transmitter Adjustments
  • Filters
  • 4.6 Resister Color Codes

    Practice


    B-004-06-01
    How do you find a resistor's tolerance rating?
    By using Thevenin's theorem for resistors
    By reading the resistor's color code
    By reading its Baudot code
    By using a voltmeter

    B-004-06-02
    What do the first three-color bands on a resistor indicate?
    The resistance material
    The power rating in watts
    The value of the resistor in ohms
    The resistance tolerance in percent

    B-004-06-03
    What does the fourth color band on a resistor mean?
    The value of the resistor in ohms
    The power rating in watts
    The resistance material
    The resistance tolerance in percent

    B-004-06-04
    What are the possible values of a 100 ohm resistor with a 10% tolerance?
    90 to 110 ohms
    90 to 100 ohms
    10 to 100 ohms
    80 to 120 ohms

    B-004-06-05
    How do you find a resistor's value?
    By using the resistor's color code
    By using a voltmeter
    By using Thevenin's theorem for resistors
    By using the Baudot code

    B-004-06-06
    Which tolerance rating would a highquality resistor have?
    5%
    10%
    20%
    0.1%

    B-004-06-07
    Which tolerance rating would a lowquality resistor have?
    20%
    0.1%
    5%
    10%

    B-004-06-08
    If a carbon resistor's temperature is increased, what will happen to the resistance?
    It will stay the same
    It will change depending on the resistor's temperature coefficient rating
    It will become time dependent
    It will increase by 20% for every 10 degrees centigrade

    B-004-06-09
    A gold band on a resistor indicates the tolerance is:
    20%
    10%
    5%
    1%

    B-004-06-10
    A resistor with a colour code of brown, black, and red, would have a value of:
    1000 ohms
    100 ohms
    10 ohms
    10 000 ohms

    B-004-06-11
    A resistor is marked with the colors red, violet and yellow. This resistor has a value of:
    274
    72 k
    27 M
    270 k