Practice Exam

T5C04

1. What is the unit of inductance?

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

T4B05

2. What does the scanning function of an FM transceiver do?

• A. Checks for messages left on a digital bulletin board
• B. Tunes through a range of frequencies to check for activity
• C. Checks incoming signal deviation
• D. Prevents interference to nearby repeaters

T7A10

3. What device increases the transmitted output power from a transceiver?

• A. All these choices are correct
• B. A voltage divider
• C. An RF power amplifier
• D. An impedance network

T8A07

4. What is a characteristic of single sideband (SSB) compared to FM?

• A. SSB signals are less susceptible to interference
• B. SSB signals are easier to tune in correctly
• C. All these choices are correct
• D. SSB signals have narrower bandwidth

T6C04

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

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

T1B02

6. Which amateurs may contact the International Space Station (ISS) on VHF bands?

• A. Any amateur holding a Technician class or higher license who has applied for and received approval from NASA
• B. Any amateur holding a General class or higher license
• C. Any amateur holding a Technician class or higher license
• D. Any amateur holding a General class or higher license who has applied for and received approval from NASA

T8B11

7. Who may receive telemetry from a space station?

• A. A licensed radio amateur with a transmitter equipped for interrogating the satellite
• B. A licensed radio amateur who has been certified by the protocol developer
• C. Anyone
• D. A licensed radio amateur who has registered for an access code from AMSAT

T6D05

8. What type of circuit controls the amount of voltage from a power supply?

• A. Regulator
• B. Phase inverter
• C. Oscillator
• D. Filter

T1E10

9. Which of the following is an example of remote control as defined in Part 97?

• A. All these choices are correct
• B. Repeater operation
• C. Operating the station over the internet
• D. Controlling a model aircraft, boat, or car by amateur radio

T4A03

10. Why are short, heavy-gauge wires used for a transceiver's DC power connection?

• A. To avoid RF interference
• B. To provide a good counterpoise for the antenna
• C. All these choices are correct
• D. To minimize voltage drop when transmitting

T0A10

11. What hazard is caused by charging or discharging a battery too quickly?

• A. Half-wave rectification
• B. Overheating or out-gassing
• C. Excess output ripple
• D. Inverse memory effect

T0B06

12. What is the minimum safe distance from a power line to allow when installing an antenna?

• A. The height of the power line above ground
• B. Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
• C. 1/2 wavelength at the operating frequency
• D. Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires

T1F11

13. Which of the following is a requirement for the issuance of a club station license grant?

• A. The club must be registered with the American Radio Relay League
• B. The trustee must have an Amateur Extra Class operator license grant
• C. All these choices are correct
• D. The club must have at least four members

T5D09

14. What is the current through a 24-ohm resistor connected across 240 volts?

• A. 216 amperes
• B. 10 amperes
• C. 0.1 amperes
• D. 24,000 amperes

T8D08

15. Which of the following is included in packet radio transmissions?

• A. A check sum that permits error detection
• B. All these choices are correct
• C. A header that contains the call sign of the station to which the information is being sent
• D. Automatic repeat request in case of error

T9B11

16. Which of the following types of feed line has the lowest loss at VHF and UHF?

• A. 50-ohm flexible coax
• B. Multi-conductor unbalanced cable
• C. Air-insulated hardline
• D. 75-ohm flexible coax

T2A07

17. What is meant by "repeater offset"?

• A. The number of simultaneous transmit frequencies used by a repeater
• B. The difference between a repeater's transmit and receive frequencies
• C. The repeater station identification is done on a separate frequency
• D. The repeater has a time delay to prevent interference

T3B07

18. In addition to frequency, which of the following is used to identify amateur radio bands?

• A. Traditional letter/number designators
• B. All these choices are correct
• C. The approximate wavelength in meters
• D. Channel numbers

T0C04

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

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

T6B04

20. Which of the following components can consist of three regions of semiconductor material?

• A. Triode
• B. Transistor
• C. Pentagrid converter
• D. Alternator

T7D09

21. What is the characteristic appearance of a cold tin-lead solder joint?

• A. Excessive solder
• B. A bright or shiny surface
• C. Dark black spots
• D. A rough or lumpy surface

T8C01

22. Which of the following methods is used to locate sources of noise interference or jamming?

• A. Radio direction finding
• B. Echolocation
• C. Phase locking
• D. Doppler radar

T7B08

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

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

T3A08

24. What is a likely cause of irregular fading of signals propagated by the ionosphere?

• A. Random combining of signals arriving via different paths
• B. Intermodulation distortion
• C. Interference from thunderstorms
• D. Frequency shift due to Faraday rotation

T1C02

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

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

T1A06

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

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

T2B06

27. What type of signaling uses pairs of audio tones?

• A. CTCSS
• B. D-STAR
• C. GPRS
• D. DTMF

T2C09

28. Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

• A. Yes, but only when part of a FEMA emergency plan
• B. No
• C. Yes, but only when part of a RACES emergency plan
• D. Yes, but only in situations involving the immediate safety of human life or protection of property

T1D11

29. 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

T9A08

30. What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

• A. 12
• B. 50
• C. 19
• D. 112

T6A04

31. What electrical component stores energy in an electric field?

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

T3C02

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

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

T5A08

33. Which of the following is a good electrical insulator?

• A. Aluminum
• B. Copper
• C. Mercury
• D. Glass

T5B05

34. Which is equal to 500 milliwatts?

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

T7C02

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

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