Practice Exam

T1F05

1. What method of call sign identification is required for a station transmitting phone signals?

• A. Send the call sign followed by the indicator R
• B. Send the call sign using only a phone emission
• C. Send the call sign using a CW or phone emission
• D. Send the call sign followed by the indicator RPT

T6B09

2. What are the names for the electrodes of a diode?

• A. Plus and minus
• B. Gate and base
• C. Anode and cathode
• D. Source and drain

T6A07

3. What electrical component is typically constructed as a coil of wire?

• A. Switch
• B. Capacitor
• C. Diode
• D. Inductor

T8B02

4. What is the impact of using excessive effective radiated power on a satellite uplink?

• A. Overloading the satellite batteries
• B. Blocking access by other users
• C. Possibility of rebooting the satellite control computer
• D. Possibility of commanding the satellite to an improper mode

T8C10

5. What is required before using the EchoLink system?

• A. Register your call sign and provide proof of license
• B. Purchase a license to use the EchoLink software
• C. All these choices are correct
• D. Complete the required EchoLink training

T7A03

6. Which of the following is used to convert a signal from one frequency to another?

• A. Amplifier
• B. Mixer
• C. Phase splitter
• D. Inverter

T6C09

7. What is component 4 in figure T-2?

• A. Variable inductor
• B. Double-pole switch
• C. Transformer
• D. Potentiometer

T5C02

8. What is the unit of capacitance?

• A. The farad
• B. The volt
• C. The henry
• D. The ohm

T0C12

9. How does RF radiation differ from ionizing radiation (radioactivity)?

• A. RF radiation can only be detected with an RF dosimeter
• B. RF radiation is limited in range to a few feet
• C. RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
• D. RF radiation is perfectly safe

T3C06

10. What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

• A. Tropospheric ducting
• B. F2 region refraction
• C. D region refraction
• D. Faraday rotation

T8D09

11. What is CW?

• A. Another name for a Morse code transmission
• B. A technique for coil winding
• C. A digital mode used primarily on 2 meter FM
• D. A type of electromagnetic propagation

T1A02

12. Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

• A. All these choices are correct
• B. FEMA
• C. Homeland Security
• D. The FCC

T7D04

13. Which instrument is used to measure electric current?

• A. An ohmmeter
• B. An ammeter
• C. A voltmeter
• D. An electrometer

T3A12

14. What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

• A. Absorption
• B. Range increase
• C. There is little effect
• D. Deflection

T5D07

15. What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

• A. 0.667 amperes
• B. 9600 amperes
• C. 200 amperes
• D. 1.5 amperes

T4A04

16. How are the transceiver audio input and output connected in a station configured to operate using FT8?

• A. To a computer connected to the FT8converter.com website
• B. To the audio input and output of a computer running WSJT-X software
• C. To an FT8 conversion unit, a keyboard, and a computer monitor
• D. To a computer running a terminal program and connected to a terminal node controller unit

T9A05

17. Which of the following increases the resonant frequency of a dipole antenna?

• A. Adding capacitive loading to the ends of the radiating wires
• B. Lengthening it
• C. Inserting coils in series with radiating wires
• D. Shortening it

T7C10

18. Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

• A. Ultraviolet and RF signals can mix, causing interference
• B. Ultraviolet resistant jackets prevent harmonic radiation
• C. Ultraviolet light can damage the jacket and allow water to enter the cable
• D. Ultraviolet light can increase losses in the cable's jacket

T1B07

19. Which of the following VHF/UHF band segments are limited to CW only?

• A. All these choices are correct
• B. 219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
• C. 902.0 MHz to 902.1 MHz
• D. 50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz

T5B05

20. Which is equal to 500 milliwatts?

• A. 50 watts
• B. 0.5 watts
• C. 5 watts
• D. 0.02 watts

T2A10

21. What is a band plan, beyond the privileges established by the FCC?

• A. A list of available net frequencies
• B. A plan devised by a club to indicate frequency band usage
• C. A list of operating schedules
• D. A voluntary guideline for using different modes or activities within an amateur band

T5A01

22. Electrical current is measured in which of the following units?

• A. Volts
• B. Ohms
• C. Amperes
• D. Watts

T3B10

23. What frequency range is referred to as HF?

• A. 300 to 3000 MHz
• B. 300 to 3000 kHz
• C. 3 to 30 MHz
• D. 30 to 300 MHz

T8A05

24. Which of the following types of signal has the narrowest bandwidth?

• A. Slow-scan TV
• B. FM voice
• C. CW
• D. SSB voice

T0B05

25. What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

• A. Provide an ability to measure for proper tensioning
• B. Prevent loosening of the turnbuckle from vibration
• C. Provide a ground path for lightning strikes
• D. Secure the guy line if the turnbuckle breaks

T0A08

26. Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

• A. In series with the hot and neutral conductors
• B. In parallel with the hot conductor only
• C. In parallel with the hot and neutral conductors
• D. In series with the hot conductor only

T2B13

27. What is the purpose of a squelch function?

• A. Reduce interference from impulse noise
• B. Eliminate parasitic oscillations in an RF amplifier
• C. Mute the receiver audio when a signal is not present
• D. Reduce a CW transmitter's key clicks

T4B07

28. What does a DMR "code plug" contain?

• A. Your call sign in CW for automatic identification
• B. The codec for digitizing audio
• C. The DMR software version
• D. Access information for repeaters and talkgroups

T2C11

29. What is meant by "check" in a radiogram header?

• A. The call sign of the originating station
• B. The number of words or word equivalents in the text portion of the message
• C. A box on the message form that indicates that the message was received and/or relayed
• D. A list of stations that have relayed the message

T7B07

30. Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

• A. Installing an RF preamplifier
• B. Installing a band-reject filter
• C. Installing bypass capacitors on the microphone cable
• D. Using double-shielded coaxial cable

T6D10

31. What is the function of component 2 in figure T-1?

• A. Control the flow of current
• B. Give off light when current flows through it
• C. Convert electrical energy into radio waves
• D. Supply electrical energy

T1C01

32. For which license classes are new licenses currently available from the FCC?

• A. Novice, Technician, General, Amateur Extra
• B. Technician, Technician Plus, General, Amateur Extra
• C. Novice, Technician Plus, General, Advanced
• D. Technician, General, Amateur Extra

T1D11

33. When may an amateur station transmit without identifying on the air?

• A. When transmitting signals to control model craft
• B. When the transmissions are unmodulated
• C. When the transmitted power level is below 1 watt
• D. When the transmissions are of a brief nature to make station adjustments

T1E02

34. Who may be the control operator of a station communicating through an amateur satellite or space station?

• A. Only an Amateur Extra Class operator
• B. A General class or higher licensee with a satellite operator certification
• C. Only an Amateur Extra Class operator who is also an AMSAT member
• D. Any amateur allowed to transmit on the satellite uplink frequency

T9B10

35. What is the electrical difference between RG-58 and RG-213 coaxial cable?

• A. RG-58 cable can handle higher power levels
• B. RG-58 cable has two shields
• C. There is no significant difference between the two types
• D. RG-213 cable has less loss at a given frequency