Practice Exam

T1B10

1. Where may SSB phone be used in amateur bands above 50 MHz?

• A. Only in sub-bands allocated to General class or higher licensees
• B. Only on repeaters
• C. On any band if the power is limited to 25 watts
• D. In at least some segment of all these bands

T2B04

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

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

T8C11

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

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

T2A12

4. What should you do before calling CQ?

• A. Listen first to be sure that no one else is using the frequency
• B. Ask if the frequency is in use
• C. All these choices are correct
• D. Make sure you are authorized to use that frequency

T1C06

5. From which of the following locations may an FCC-licensed amateur station transmit?

• A. From within any country that is a member of the United Nations
• B. From any vessel or craft located in international waters and documented or registered in the United States
• C. From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
• D. From within any country that belongs to the International Telecommunication Union

T7A03

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

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

T7B08

7. What should you do if something in a neighbor's home is causing harmful interference to your amateur station?

• A. Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
• B. Make sure your station meets the standards of good amateur practice
• C. All these choices are correct
• D. Work with your neighbor to identify the offending device

T7C08

8. Which instrument can be used to determine SWR?

• A. Iambic pentameter
• B. Directional wattmeter
• C. Ohmmeter
• D. Voltmeter

T5D11

9. What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

• A. 11 volts
• B. 9 volts
• C. 1 volt
• D. 10 volts

T9A10

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

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

T1A04

11. How many operator/primary station license grants may be held by any one person?

• A. One
• B. No more than two
• C. One for each band on which the person plans to operate
• D. One for each permanent station location from which the person plans to operate

T6C04

12. What is component 3 in figure T-1?

• A. Transistor
• B. Ground symbol
• C. Lamp
• D. Resistor

T4B09

13. How is a specific group of stations selected on a digital voice transceiver?

• A. By enabling the group's CTCSS tone
• B. By retrieving the frequencies from transceiver memory
• C. By entering the group's identification code
• D. By activating automatic identification

T1D03

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

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

T0A06

15. What is a good way to guard against electrical shock at your station?

• A. All these choices are correct
• B. Use three-wire cords and plugs for all AC powered equipment
• C. Install mechanical interlocks in high-voltage circuits
• D. Connect all AC powered station equipment to a common safety ground

T8B03

16. Which of the following are provided by satellite tracking programs?

• A. The apparent frequency of the satellite transmission, including effects of Doppler shift
• B. Maps showing the real-time position of the satellite track over Earth
• C. All these choices are correct
• D. The time, azimuth, and elevation of the start, maximum altitude, and end of a pass

T8D06

17. What does the abbreviation "PSK" mean?

• A. Packet Short Keying
• B. Pulse Shift Keying
• C. Phase Shift Keying
• D. Phased Slide Keying

T1E08

18. Which of the following is an example of automatic control?

• A. Controlling a station over the internet
• B. Repeater operation
• C. Using a computer or other device to send CW automatically
• D. Using a computer or other device to identify automatically

T3C02

19. What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

• A. HF antennas are generally smaller
• B. Long-distance ionospheric propagation is far more common on HF
• C. There is less atmospheric interference (static) on HF
• D. HF accommodates wider bandwidth signals

T0B04

20. Which of the following is an important safety precaution to observe when putting up an antenna tower?

• A. Look for and stay clear of any overhead electrical wires
• B. Wear a ground strap connected to your wrist at all times
• C. All these choices are correct
• D. Insulate the base of the tower to avoid lightning strikes

T5B12

21. Which is equal to 28400 kHz?

• A. 284.00 MHz
• B. 2.800 MHz
• C. 28.400 MHz
• D. 28.400 kHz

T0C08

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

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

T2C01

23. When do FCC rules NOT apply to the operation of an amateur station?

• A. FCC rules always apply
• B. When operating under special ARES rules
• C. When operating a RACES station
• D. When operating under special FEMA rules

T5A10

24. Which term describes the rate at which electrical energy is used?

• A. Resistance
• B. Current
• C. Power
• D. Voltage

T6B09

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

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

T6A03

26. What electrical parameter is controlled by a potentiometer?

• A. Inductance
• B. Resistance
• C. Capacitance
• D. Field strength

T3B10

27. What frequency range is referred to as HF?

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

T7D04

28. Which instrument is used to measure electric current?

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

T8A01

29. Which of the following is a form of amplitude modulation?

• A. Single sideband
• B. Phase shift keying (PSK)
• C. Spread spectrum
• D. Packet radio

T6D11

30. Which of the following is a resonant or tuned circuit?

• A. An inductor and a capacitor in series or parallel
• B. A circuit designed to provide high-fidelity audio
• C. A resistor circuit used for reducing standing wave ratio
• D. A linear voltage regulator

T3A07

31. What weather condition might decrease range at microwave frequencies?

• A. Colder temperatures
• B. High winds
• C. Low barometric pressure
• D. Precipitation

T9B01

32. What is a benefit of low SWR?

• A. Less antenna wear
• B. All these choices are correct
• C. Reduced signal loss
• D. Reduced television interference

T4A05

33. Where should an RF power meter be installed?

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

T5C08

34. What is the formula used to calculate electrical power (P) in a DC circuit?

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

T1F07

35. Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

• A. The licensed control operator must do the station identification
• B. The person must be a U.S. citizen
• C. All these choices are correct
• D. The foreign station must be in a country with which the U.S. has a third party agreement