Practice Exam

T8B07

1. What is Doppler shift in reference to satellite communications?

• A. An observed change in signal frequency caused by relative motion between the satellite and Earth station
• B. A mode where the satellite receives signals on one band and transmits on another
• C. A change in the satellite orbit
• D. A special digital communications mode for some satellites

T4A05

2. Where should an RF power meter be installed?

• A. At the power supply output
• B. In parallel with the push-to-talk line and the antenna
• C. In the feed line, between the transmitter and antenna
• D. In the power supply cable, as close as possible to the radio

T0A01

3. Which of the following is a safety hazard of a 12-volt storage battery that lacks internal protection circuitry?

• A. All these choices are correct
• B. Touching both terminals with your hands can cause electrical shock
• C. Shorting the terminals can cause burns, fire, or an explosion
• D. RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas

T6A07

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

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

T1C02

5. Who may select a desired call sign under the vanity call sign rules?

• A. Only a licensed amateur with a General or Amateur Extra Class license
• B. Any licensed amateur
• C. Only a licensed amateur with an Amateur Extra Class license
• D. Only a licensed amateur who has been licensed continuously for more than 10 years

T1E06

6. When, other than during an emergency, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

• A. As part of a multi-operator contest team
• B. When designated as the control operator by an Amateur Extra Class licensee
• C. When using a club station whose trustee holds an Amateur Extra Class license
• D. At no time

T5B02

7. Which is equal to 1,500,000 hertz?

• A. 1500 kHz
• B. 1500 MHz
• C. 150 kHz
• D. 15 GHz

T7B01

8. What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

• A. Talk louder into the microphone
• B. Let the transceiver cool off
• C. Change to a higher power level
• D. Talk farther away from the microphone

T2A11

9. What term describes an amateur station that is transmitting and receiving on the same frequency?

• A. Diplex
• B. Multiplex
• C. Full duplex
• D. Simplex

T2C04

10. What is RACES?

• A. An FCC Part 97 amateur radio service for civil defense communications during national emergencies
• B. An international radio experimentation society
• C. An emergency organization combining amateur radio and citizens band operators and frequencies
• D. A radio contest held in a short period, sometimes called a "sprint"

T5A02

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

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

T1A07

12. What is the FCC Part 97 definition of a space station?

• A. An amateur station located more than 50 km above Earth's surface
• B. A manned satellite orbiting Earth
• C. Any satellite orbiting Earth
• D. An amateur station using amateur radio satellites for relay of signals

T6B11

13. What does the term gain mean in amplifiers?

• A. The output signal power relative to the input signal power
• B. The output signal current relative to the input signal current
• C. The output signal voltage relative to the input signal voltage
• D. All these choices are correct

T1D05

14. When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

• A. Never
• B. When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
• C. When selling amateur radio equipment and not on a regular basis
• D. When no profit is made on the sale

T5C02

15. What is the unit of capacitance?

• A. Henry
• B. Ohm
• C. Farad
• D. Volt

T1B11

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

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

T3A05

17. When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

• A. Increase the antenna SWR
• B. Change from vertical to horizontal polarization
• C. Try to find a path that reflects signals to the repeater
• D. Try the long path

T4B10

18. Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

• A. 500 Hz
• B. 1000 Hz
• C. 5000 Hz
• D. 2400 Hz

T6D09

19. What is the name of a device that combines several semiconductors and other components into one package?

• A. Integrated circuit
• B. Multi-pole relay
• C. Transducer
• D. Transformer

T3C01

20. Why are simplex UHF signals rarely heard beyond their radio horizon?

• A. FCC regulations prohibit them from going more than 50 miles
• B. UHF signals are absorbed by the ionospheric D region
• C. They are too weak to go very far
• D. UHF signals are usually not propagated by the ionosphere

T0C04

21. What factors affect the RF exposure of people near an amateur station antenna?

• A. Distance from the antenna to a person
• B. All these choices are correct
• C. Radiation pattern of the antenna
• D. Frequency and power level of the RF field

T3B05

22. What is the relationship between wavelength and frequency?

• A. Wavelength and frequency increase as path length increases
• B. Wavelength gets longer as frequency increases
• C. Wavelength is constant at all frequencies
• D. Wavelength gets shorter as frequency increases

T7C06

23. What does an SWR reading of 4:1 indicate?

• A. Gain of +4 dB
• B. Good impedance match
• C. Loss of -4 dB
• D. Impedance mismatch

T8A08

24. What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

• A. 3 kHz
• B. 1 kHz
• C. 6 kHz
• D. 15 kHz

T8D07

25. Which of the following describes DMR?

• A. A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
• B. An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
• C. An automatic position tracking mode for FM mobiles communicating through repeaters
• D. A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel

T7A03

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

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

T8C11

27. What is an amateur radio station that connects other amateur stations to the internet?

• A. A digipeater
• B. A repeater
• C. A beacon
• D. A gateway

T9A10

28. In which direction does a half-wave dipole antenna radiate the strongest signal?

• A. Equally in all directions
• B. Off the ends of the antenna
• C. In the direction of the feed line
• D. Broadside to the antenna

T7D10

29. What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

• A. Increasing resistance with time
• B. Steady full-scale reading
• C. Decreasing resistance with time
• D. Alternating between open and short circuit

T2B03

30. Which of the following describes a linked repeater network?

• A. A single repeater with more than one receiver
• B. A system of repeaters linked by APRS
• C. Multiple repeaters with the same control operator
• D. A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network

T9B10

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

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

T5D14

32. In which type of circuit is the voltage always the same across all components?

• A. Resonant
• B. Parallel
• C. Branch
• D. Series

T1F03

33. When are you required to transmit your assigned call sign?

• A. At least once during each transmission
• B. At least every 15 minutes during and at the end of a communication
• C. At the beginning of each contact, and every 10 minutes thereafter
• D. At least every 10 minutes during and at the end of a communication

T6C09

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

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

T0B03

35. Under what circumstances is it safe to climb a tower without a helper or observer?

• A. When no electrical work is being performed
• B. Never
• C. When no mechanical work is being performed
• D. When the work being done is not more than 20 feet above the ground