Practice Exam

T2C05

1. What does the term "traffic" refer to in net operation?

• A. Operation by mobile or portable stations
• B. Requests to activate the net by a served agency
• C. Messages exchanged by net stations
• D. The number of stations checking in and out of a net

T1D02

2. Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

• A. Broadcasting
• B. Telecommand or transmissions of telemetry
• C. In all circumstances
• D. International Morse Code Practice

T6C03

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

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

T7A04

4. Which term describes the ability of a receiver to discriminate between multiple signals?

• A. Harmonic distortion
• B. Discrimination ratio
• C. Sensitivity
• D. Selectivity

T5C05

5. What is the unit of impedance?

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

T5B04

6. Which is equal to one microvolt?

• A. One one-thousandth of a volt
• B. One million volts
• C. One thousand kilovolts
• D. One one-millionth of a volt

T7C04

7. What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

• A. Full Scale
• B. Zero
• C. 1:1
• D. 50:50

T2A05

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

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

T1C06

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

• A. From within any country that belongs to the International Telecommunication Union
• 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 is a member of the United Nations

T6B03

10. Which of these components can be used as an electronic switch?

• A. Varistor
• B. Transistor
• C. Potentiometer
• D. Thermistor

T0A09

11. What should be done to all external ground rods or earth connections?

• A. Tune them for resonance on the lowest frequency of operation
• B. Keep them as far apart as possible
• C. Bond them together with heavy wire or conductive strap
• D. Waterproof them with silicone caulk or electrical tape

T0B08

12. Which is a proper grounding method for a tower?

• A. Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
• B. A single four-foot ground rod, driven into the ground no more than 12 inches from the base
• C. A connection between the tower base and a cold water pipe
• D. A ferrite-core RF choke connected between the tower and ground

T8A11

13. What is the approximate bandwidth required to transmit a CW signal?

• A. 1000 Hz
• B. 15 kHz
• C. 2.4 kHz
• D. 150 Hz

T1B06

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

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

T3A05

15. 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. Try the long path
• C. Try to find a path that reflects signals to the repeater
• D. Change from vertical to horizontal polarization

T1E11

16. Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

• A. The third party participant
• B. The station licensee
• C. The station custodian
• D. The person operating the station equipment

T3B03

17. What are the two components of a radio wave?

• A. Electric and magnetic fields
• B. Impedance and reactance
• C. Ionizing and non-ionizing radiation
• D. Voltage and current

T7B05

18. 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. Switch the transmitter from FM to SSB
• C. Block the interfering signal with a filter on the amateur transmitter
• D. Switch the transmitter to a narrow-band mode

T4A04

19. 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

T9A04

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

T9B12

21. What is standing wave ratio (SWR)?

• A. An indication of the quality of your station's ground connection
• B. The ratio of amplifier power output to input
• C. The transmitter efficiency ratio
• D. A measure of how well a load is matched to a transmission line

T6A03

22. What electrical parameter is controlled by a potentiometer?

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

T7D10

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

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

T6D01

24. Which of the following devices or circuits changes an alternating current into a varying direct current signal?

• A. Rectifier
• B. Amplifier
• C. Reflector
• D. Transformer

T8B03

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

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

T1F02

26. How often must you identify with your FCC-assigned call sign when using tactical call signs such as "Race Headquarters"?

• A. At the end of each communication and every ten minutes during a communication
• B. Once during every hour
• C. At the end of every transmission
• D. Never, the tactical call is sufficient

T8D11

27. What is an ARQ transmission system?

• A. A special transmission format limited to video signals
• B. A method of compressing data using autonomous reiterative Q codes prior to final encoding
• C. A system used to encrypt command signals to an amateur radio satellite
• D. An error correction method in which the receiving station detects errors and sends a request for retransmission

T1A02

28. Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

• A. FEMA
• B. The FCC
• C. Homeland Security
• D. All these choices are correct

T0C03

29. How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

• A. There is no adjustment allowed for lower duty cycle
• B. It increases by a factor of 2
• C. It increases by a factor of 3
• D. It decreases by 50 percent

T5D09

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

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

T8C06

31. How is over the air access to IRLP nodes accomplished?

• A. By using DTMF signals
• B. By entering the proper internet password
• C. By using CTCSS tone codes
• D. By obtaining a password that is sent via voice to the node

T2B05

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

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

T3C10

33. Which of the following bands may provide long-distance communications via the ionosphere's F region during the peak of the sunspot cycle?

• A. 70 centimeters and 1.25 meters
• B. 23 centimeters
• C. All these choices are correct
• D. 6 and 10 meters

T4B12

34. What is the result of tuning an FM receiver above or below a signal's frequency?

• A. Generation of a heterodyne tone
• B. Distortion of the signal's audio
• C. Change in audio pitch
• D. Sideband inversion

T5A10

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

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