Practice Exam

T1D07

1. What types of amateur stations can automatically retransmit the signals of other amateur stations?

• A. Earth, repeater, or space stations
• B. Repeater, auxiliary, or space stations
• C. Beacon, repeater, or space stations
• D. Auxiliary, beacon, or Earth stations

T7A08

2. Which of the following describes combining speech with an RF carrier signal?

• A. Oscillation
• B. Impedance matching
• C. Modulation
• D. Low-pass filtering

T0B10

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

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

T7D02

4. How is a voltmeter connected to a component to measure applied voltage?

• A. In series
• B. In parallel
• C. In quadrature
• D. In phase

T1E02

5. Who may be the control operator of a station communicating through an amateur satellite or space station?

• A. Only an Amateur Extra Class operator who is also an AMSAT member
• B. A General class or higher licensee with a satellite operator certification
• C. Any amateur allowed to transmit on the satellite uplink frequency
• D. Only an Amateur Extra Class operator

T6B09

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

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

T9B03

7. Why is coaxial cable the most common feed line for amateur radio antenna systems?

• A. It is less expensive than any other type of feed line
• B. It has less loss than any other type of feed line
• C. It is easy to use and requires few special installation considerations
• D. It can handle more power than any other type of feed line

T1C05

8. Which of the following is a valid Technician class call sign format?

• A. KA1X
• B. W1XX
• C. All these choices are correct
• D. KF1XXX

T0C04

9. 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

T5A03

10. What is the name for the flow of electrons in an electric circuit?

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

T5B01

11. How many milliamperes is 1.5 amperes?

• A. 15 milliamperes
• B. 1500 milliamperes
• C. 15,000 milliamperes
• D. 150 milliamperes

T3B11

12. What is the approximate velocity of a radio wave in free space?

• A. 300,000,000 meters per second
• B. 300,000,000 miles per hour
• C. 150,000 meters per second
• D. 150,000 miles per hour

T8B12

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

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

T9A08

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

• A. 19
• B. 50
• C. 12
• D. 112

T8A02

15. What type of modulation is commonly used for VHF packet radio transmissions?

• A. PSK
• B. AM
• C. FM or PM
• D. SSB

T8C08

16. What is the Internet Radio Linking Project (IRLP)?

• A. A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
• B. A technique for measuring signal strength of an amateur transmitter via the internet
• C. A system for providing access to websites via amateur radio
• D. A system for informing amateurs in real time of the frequency of active DX stations

T4A09

17. How can you determine the length of time that equipment can be powered from a battery?

• A. Divide the battery ampere-hour rating by the average current draw of the equipment
• B. Multiply the watts per hour consumed by the equipment by the battery power rating
• C. Divide the watt-hour rating of the battery by the peak power consumption of the equipment
• D. Multiply the square of the current rating of the battery by the input resistance of the equipment

T5C09

18. How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

• A. 138 watts
• B. 23.8 watts
• C. 3.8 watts
• D. 0.7 watts

T6C12

19. Which of the following is accurately represented in electrical schematics?

• A. Component connections
• B. All these choices are correct
• C. Physical appearance of components
• D. Wire lengths

T5D14

20. In which type of circuit is voltage the same across all components?

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

T1B09

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

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

T8D01

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

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

T2B08

23. Which of the following applies when two stations transmitting on the same frequency interfere with each other?

• A. Both stations should choose another frequency to avoid conflict
• B. The stations should negotiate continued use of the frequency
• C. Interference is inevitable, so no action is required
• D. Use subaudible tones so both stations can share the frequency

T2C03

24. What technique is used to ensure that voice messages containing unusual words are received correctly?

• A. Speak very loudly into the microphone
• B. All these choices are correct
• C. Spell the words using a standard phonetic alphabet
• D. Send the words by voice and Morse code

T3A01

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

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

T7C06

26. What does an SWR reading of 4:1 indicate?

• A. Loss of -4 dB
• B. Impedance mismatch
• C. Gain of +4 dB
• D. Good impedance match

T0A08

27. Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

• A. In parallel with the hot and neutral conductors
• B. In series with the hot conductor only
• C. In parallel with the hot conductor only
• D. In series with the hot and neutral conductors

T1A07

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

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

T2A09

29. Which of the following indicates that a station is listening on a repeater and looking for a contact?

• A. The station's call sign followed by the word "monitoring"
• B. "QSY" followed by your call sign
• C. The repeater call sign followed by the station's call sign
• D. "CQ CQ" followed by the repeater's call sign

T7B01

30. What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

• A. Change to a higher power level
• B. Talk louder into the microphone
• C. Talk farther away from the microphone
• D. Let the transceiver cool off

T3C02

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

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

T6A02

32. What type of component is often used as an adjustable volume control?

• A. Fixed resistor
• B. Potentiometer
• C. Transformer
• D. Power resistor

T1F05

33. What method of call sign identification is required for a station transmitting phone signals?

• A. Send the call sign using only a phone emission
• B. Send the call sign using a CW or phone emission
• C. Send the call sign followed by the indicator RPT
• D. Send the call sign followed by the indicator R

T6D03

34. Which of the following is a reason to use shielded wire?

• A. To increase the current carrying capability of the wire
• B. To prevent coupling of unwanted signals to or from the wire
• C. To decrease the resistance of DC power connections
• D. To couple the wire to other signals

T4B11

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

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