Practice Exam

T0C08

1. Which of the following actions can reduce exposure to RF radiation?

• A. Relocate antennas
• B. All these choices are correct
• C. Relocate the transmitter
• D. Increase the duty cycle

T5A02

2. Electrical power is measured in which of the following units?

• A. Amperes
• B. Watts
• C. Watt-hours
• D. Volts

T4A04

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

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

T8C07

4. What is Voice Over Internet Protocol (VoIP)?

• A. A technique employed to "spot" DX stations via the internet
• B. A method of delivering voice communications over the internet using digital techniques
• C. A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
• D. A set of rules specifying how to identify your station when linked over the internet to another station

T1F08

5. What is the definition of third party communications?

• A. A message from a control operator to another amateur station control operator on behalf of another person
• B. Operation when the transmitting equipment is licensed to a person other than the control operator
• C. Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
• D. Amateur radio communications where three stations are in communications with one another

T5C05

6. What is the unit of impedance?

• A. The ohm
• B. The coulomb
• C. The volt
• D. The ampere

T3B06

7. What is the formula for converting frequency to approximate wavelength in meters?

• A. Wavelength in meters equals frequency in megahertz divided by 300
• B. Wavelength in meters equals frequency in hertz divided by 300
• C. Wavelength in meters equals frequency in hertz multiplied by 300
• D. Wavelength in meters equals 300 divided by frequency in megahertz

T3C06

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

T6D07

9. Which of the following is commonly used as a visual indicator?

• A. LED
• B. Bipolar transistor
• C. Zener diode
• D. FET

T8D02

10. What is a "talkgroup" on a DMR repeater?

• A. A group of operators sharing common interests
• B. A net that meets at a specified time
• C. A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together
• D. A way for groups of users to share a channel at different times without hearing other users on the channel

T1A06

11. What is the FCC Part 97 definition of a beacon?

• A. A government transmitter marking the amateur radio band edges
• B. A bulletin sent by the FCC to announce a national emergency
• C. A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
• D. An amateur station transmitting communications for the purposes of observing propagation or related experimental activities

T0B09

12. Why should you avoid attaching an antenna to a utility pole?

• A. The antenna will not work properly because of induced voltages
• B. The antenna could contact high-voltage power lines
• C. All these choices are correct
• D. The 60 Hz radiations from the feed line may increase the SWR

T2C06

13. What is the Amateur Radio Emergency Service (ARES)?

• A. A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
• B. A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
• C. A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
• D. A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency

T6B10

14. Which of the following can provide power gain?

• A. Transistor
• B. Resistor
• C. Transformer
• D. Reactor

T6A01

15. What electrical component opposes the flow of current in a DC circuit?

• A. Transformer
• B. Inverter
• C. Inductor
• D. Resistor

T1D03

16. When is it permissible to transmit messages encoded to obscure their meaning?

• A. Only when transmitting control commands to space stations or radio control craft
• B. Never
• C. Only when transmitting certain approved digital codes
• D. Only during contests

T3A10

17. What effect does multi-path propagation have on data transmissions?

• A. Transmission rates must be increased by a factor equal to the number of separate paths observed
• B. Error rates are likely to increase
• C. Transmission rates must be decreased by a factor equal to the number of separate paths observed
• D. No significant changes will occur if the signals are transmitted using FM

T4B01

18. What is the effect of excessive microphone gain on SSB transmissions?

• A. All these choices are correct
• B. Frequency instability
• C. Distorted transmitted audio
• D. Increased SWR

T2A06

19. Which of the following is required when making on-the-air test transmissions?

• A. Conduct tests only between 10 p.m. and 6 a.m. local time
• B. All these choices are correct
• C. Notify the FCC of the transmissions
• D. Identify the transmitting station

T9B10

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

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

T7D04

21. Which instrument is used to measure electric current?

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

T9A03

22. Which of the following describes a simple dipole oriented parallel to Earth's surface?

• A. A travelling-wave antenna
• B. A ground-wave antenna
• C. A horizontally polarized antenna
• D. A vertically polarized antenna

T7A07

23. What is the function of a transceiver's PTT input?

• A. Provides a transmit tuning tone when grounded
• B. Input for a key used to send CW
• C. Input for a preamplifier tuning tone
• D. Switches transceiver from receive to transmit when grounded

T8A04

24. Which type of modulation is commonly used for VHF and UHF voice repeaters?

• A. AM
• B. PSK
• C. SSB
• D. FM or PM

T5B08

25. Which is equal to 1,000,000 picofarads?

• A. 0.001 microfarads
• B. 1,000,000,000 microfarads
• C. 1000 microfarads
• D. 1 microfarad

T2B04

26. Which of the following could be the reason you are unable to access a repeater whose output you can hear?

• A. Improper transceiver offset
• B. All these choices are correct
• C. You are using the wrong DCS code
• D. You are using the wrong CTCSS tone

T1B11

27. What is the maximum peak envelope power output for Technician class operators in their HF band segments?

• A. 50 watts
• B. 200 watts
• C. 100 watts
• D. 10 watts

T7B05

28. How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

• A. Block the amateur signal with a filter at the antenna input of the affected receiver
• B. Block the interfering signal with a filter on the amateur transmitter
• C. Switch the transmitter to a narrow-band mode
• D. Switch the transmitter from FM to SSB

T7C02

29. Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

• A. An antenna analyzer
• B. A frequency counter
• C. A Q meter
• D. A VTVM

T5D01

30. What formula is used to calculate current in a circuit?

• A. I = E - R
• B. I = E * R
• C. I = E + R
• D. I = E / R

T1E07

31. When the control operator is not the station licensee, who is responsible for the proper operation of the station?

• A. The control operator and the station licensee
• B. Only the control operator
• C. Only the station licensee
• D. All licensed amateurs who are present at the operation

T6C11

32. What is component 4 in figure T-3?

• A. Transmitter
• B. Antenna
• C. Dummy load
• D. Ground

T8B01

33. What telemetry information is typically transmitted by satellite beacons?

• A. All these choices are correct
• B. Health and status of the satellite
• C. Time of day accurate to plus or minus 1/10 second
• D. The signal strength of received signals

T1C11

34. If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

• A. Yes, as soon as you apply for renewal
• B. Yes, for up to one year
• C. No, you must wait until the license has been renewed
• D. Yes, for up to two years

T0A07

35. Where should a lightning arrester be installed in a coaxial feed line?

• A. At the ac power service panel
• B. At the antenna feed point
• C. At the output connector of a transceiver
• D. On a grounded panel near where feed lines enter the building