Practice Exam

T8D04

1. What type of transmission is indicated by the term "NTSC?"

• A. A frame compression scheme for TV signals
• B. A Normal Transmission mode in Static Circuit
• C. An analog fast-scan color TV signal
• D. A special mode for satellite uplink

T5D13

2. In which type of circuit is DC current the same through all components?

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

T1D08

3. In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

• A. When the communication is made to obtain emergency information for a local broadcast station
• B. When the communication is related to the sale of amateur equipment by the control operator's employer
• C. All these choices are correct
• D. When the communication is incidental to classroom instruction at an educational institution

T8B12

4. Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

• A. Listen for distortion on your downlink signal
• B. Your signal strength on the downlink should be about the same as the beacon
• C. All these choices are correct
• D. Check your signal strength report in the telemetry data

T7D08

5. Which of the following types of solder should not be used for radio and electronic applications?

• A. Lead-tin solder
• B. Rosin-core solder
• C. Acid-core solder
• D. Tin-copper solder

T1E06

6. When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

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

T0A09

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

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

T7C01

8. What is the primary purpose of a dummy load?

• A. To prevent transmitting signals over the air when making tests
• B. To improve the signal-to-noise ratio of a receiver
• C. To improve the efficiency of an antenna
• D. To prevent over-modulation of a transmitter

T5A11

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

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

T6C07

10. What is component 8 in figure T-2?

• A. Regulator IC
• B. Inductor
• C. Light emitting diode
• D. Resistor

T2B02

11. What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

• A. Tone burst
• B. DTMF
• C. CTCSS
• D. Carrier squelch

T1C09

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

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

T2A10

13. What is a band plan, beyond the privileges established by the FCC?

• A. A list of operating schedules
• B. A voluntary guideline for using different modes or activities within an amateur band
• C. A plan devised by a club to indicate frequency band usage
• D. A list of available net frequencies

T4B11

14. Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

• A. The codec type being used
• B. Your call sign
• C. All these choices are correct
• D. Your output power

T7B10

15. What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

• A. Your batteries are running low
• B. Your transmitter is slightly off frequency
• C. You are in a bad location
• D. All these choices are correct

T5B07

16. Which is equal to 3.525 MHz?

• A. 35.25 kHz
• B. 3525 kHz
• C. 3,525,000 kHz
• D. 0.003525 kHz

T6D09

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

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

T6A11

18. Which of the following battery chemistries is not rechargeable?

• A. Lithium-ion
• B. Carbon-zinc
• C. Lead-acid
• D. Nickel-cadmium

T8A07

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

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

T3A01

20. Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

• A. All these choices are correct
• B. VHF ionospheric propagation is very sensitive to path length
• C. The signal path encounters different concentrations of water vapor
• D. Multipath propagation cancels or reinforces signals

T9A09

21. What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

• A. 50
• B. 6
• C. 236
• D. 112

T0C01

22. What type of radiation are radio signals?

• A. Gamma radiation
• B. Alpha radiation
• C. Non-ionizing radiation
• D. Ionizing radiation

T1A03

23. What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

• A. It is encouraged
• B. It is required when in contact with foreign stations
• C. It is required when transmitting emergency messages
• D. All these choices are correct

T7A02

24. What is a transceiver?

• A. A device for automatically sending and decoding Morse code
• B. A device that combines a receiver and transmitter
• C. A device for converting receiver and transmitter frequencies to another band
• D. A device for matching feed line impedance to 50 ohms

T4A04

25. How are the transceiver audio input and output connected in a station configured to operate using FT8?

• A. To a computer connected to the FT8converter.com website
• B. To the audio input and output of a computer running WSJT-X software
• C. To an FT8 conversion unit, a keyboard, and a computer monitor
• D. To a computer running a terminal program and connected to a terminal node controller unit

T1B09

26. Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

• A. To allow for calibration error in the transmitter frequency display
• B. To allow for transmitter frequency drift
• C. All these choices are correct
• D. So that modulation sidebands do not extend beyond the band edge

T8C07

27. What is Voice Over Internet Protocol (VoIP)?

• A. A set of rules specifying how to identify your station when linked over the internet to another station
• B. A method of delivering voice communications over the internet using digital techniques
• C. A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
• D. A technique employed to "spot" DX stations via the internet

T5C03

28. What describes the ability to store energy in a magnetic field?

• A. Inductance
• B. Resistance
• C. Admittance
• D. Capacitance

T3C06

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

T1F09

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

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

T9B09

31. What can cause erratic changes in SWR?

• A. Overload from a strong local station
• B. Over-modulation
• C. Local thunderstorm
• D. Loose connection in the antenna or feed line

T0B02

32. What is required when climbing an antenna tower?

• A. All these choices are correct
• B. Use appropriate tie-off to the tower at all times
• C. Always wear an approved climbing harness
• D. Have sufficient training on safe tower climbing techniques

T2C05

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

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

T6B04

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

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

T3B04

35. What is the velocity of a radio wave traveling through free space?

• A. Speed of light
• B. Speed inversely proportional to its wavelength
• C. Speed that increases as the frequency increases
• D. Speed of sound