Practice Exam

T0C04

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

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

T5B05

2. Which is equal to 500 milliwatts?

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

T1E08

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

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

T3A04

4. What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

• A. The modulation sidebands might become inverted
• B. Nothing significant will happen
• C. Signals have an echo effect
• D. Received signal strength is reduced

T1F09

5. What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

• A. Repeater station
• B. Beacon station
• C. Earth station
• D. Message forwarding station

T3C06

6. 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. Tropospheric ducting
• C. F2 region refraction
• D. D region refraction

T0A06

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

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

T0B10

8. Which of the following is true when installing grounding conductors used for lightning protection?

• A. Use only non-insulated wire
• B. Wires must be carefully routed with precise right-angle bends
• C. Common grounds must be avoided
• D. Sharp bends must be avoided

T1B06

9. On which HF bands does a Technician class operator have phone privileges?

• A. 80 meter, 40 meter, 15 meter, and 10 meter bands
• B. 30 meter band only
• C. None
• D. 10 meter band only

T8B08

10. What is meant by the statement that a satellite is operating in U/V mode?

• A. The satellite operates using ultraviolet frequencies
• B. The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
• C. The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
• D. The satellite frequencies are usually variable

T6C03

11. What is component 2 in figure T-1?

• A. Indicator lamp
• B. Connector
• C. Resistor
• D. Transistor

T8C04

12. Which of the following is good procedure when contacting another station in a contest?

• A. Contact the station twice to be sure that you are in his log
• B. Sign only the last two letters of your call if there are many other stations calling
• C. All these choices are correct
• D. Send only the minimum information needed for proper identification and the contest exchange

T6A03

13. What electrical parameter is controlled by a potentiometer?

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

T9A04

14. What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

• A. It is mechanically fragile
• B. All these choices are correct
• C. It has low efficiency
• D. It transmits only circularly polarized signals

T8A07

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

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

T9B11

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

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

T6D08

17. Which of the following is combined with an inductor to make a resonant circuit?

• A. Potentiometer
• B. Resistor
• C. Capacitor
• D. Zener diode

T7A07

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

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

T2A05

19. How should you respond to a station calling CQ?

• A. Transmit "CQ" followed by the other station's call sign
• B. Transmit your call sign followed by the other station's call sign
• C. Transmit a signal report followed by your call sign
• D. Transmit the other station's call sign followed by your call sign

T6B11

20. What is the term that describes a device's ability to amplify a signal?

• A. Forward resistance
• B. Gain
• C. On resistance
• D. Forward voltage drop

T7C05

21. Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

• A. To protect the output amplifier transistors
• B. Because power supplies cannot supply enough current at high SWR
• C. To lower the SWR on the transmission line
• D. To comply with FCC rules on spectral purity

T7B11

22. What is a symptom of RF feedback in a transmitter or transceiver?

• A. The transmitter will not stay on the desired frequency
• B. Reports of garbled, distorted, or unintelligible voice transmissions
• C. Frequent blowing of power supply fuses
• D. Excessive SWR at the antenna connection

T5D09

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

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

T4A03

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

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

T8D01

25. Which of the following is a digital communications mode?

• A. All these choices are correct
• B. IEEE 802.11
• C. Packet radio
• D. FT8

T1D01

26. With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

• A. Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
• B. Any country banned from making such communications by the American Radio Relay League (ARRL)
• C. Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
• D. Any country banned from such communications by the International Amateur Radio Union (IARU)

T5A11

27. What type of current flow is opposed by resistance?

• A. Direct current
• B. All these choices are correct
• C. Alternating current
• D. RF current

T4B07

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

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

T7D04

29. Which instrument is used to measure electric current?

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

T1A07

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

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

T1C09

31. What is the grace period for renewal if an amateur license expires?

• A. Two years
• B. Three years
• C. Five years
• D. Ten years

T2C07

32. Which of the following is standard practice when you participate in a net?

• A. Unless you are reporting an emergency, transmit only when directed by the net control station
• B. When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
• C. All these choices are correct
• D. Record the time of each of your transmissions

T5C08

33. 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

T3B09

34. What frequency range is referred to as UHF?

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

T2B05

35. What would cause your FM transmission audio to be distorted on voice peaks?

• A. You are talking too loudly
• B. You need to talk louder
• C. Your repeater offset is inverted
• D. Your transmit power is too high