Practice Exam

T7A09

1. What is the function of the switch which selects either SSB or CW-FM on some VHF power amplifiers?

• A. Change the frequency range of the amplifier to operate in the proper segment of the band
• B. Set the amplifier for proper operation in the selected mode
• C. Change the mode of the transmitted signal
• D. Reduce the received signal noise

T8B02

2. What is the impact of using excessive effective radiated power on a satellite uplink?

• A. Blocking access by other users
• B. Overloading the satellite batteries
• C. Possibility of commanding the satellite to an improper mode
• D. Possibility of rebooting the satellite control computer

T9A07

3. What is a potential drawback of using a handheld VHF transceiver inside a vehicle that lacks an externally mounted antenna?

• A. The bandwidth of the antenna will decrease, increasing SWR
• B. The handheld will overheat due to reflected power in the vehicle
• C. Signal strength is reduced due to the shielding effect of the vehicle
• D. The SWR might decrease, decreasing the signal strength

T7C07

4. What happens to power lost in a feed line?

• A. It distorts the signal
• B. It increases the SWR
• C. It is radiated as harmonics
• D. It is converted into heat

T2B04

5. Which of the following could be the reason you are unable to access a repeater whose output you can hear?

• A. Improper transceiver offset
• B. You are using the wrong CTCSS tone
• C. You are using the wrong DCS code
• D. All these choices are correct

T1F04

6. What language must you use for identification when using a phone emission?

• A. Any language recognized by the United Nations
• B. Any language recognized by the ITU
• C. English
• D. English, French, or Spanish

T7D10

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

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

T3A07

8. What weather condition might decrease range at microwave frequencies?

• A. Low barometric pressure
• B. Colder temperatures
• C. Precipitation
• D. High winds

T6B08

9. What does the abbreviation FET stand for?

• A. Fast Electron Transistor
• B. Free Electron Transmitter
• C. Field Effect Transistor
• D. Frequency Emission Transmitter

T9B11

10. Which of the following types of feed line has the lowest loss?

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

T4A10

11. What function does a digital mode hotspot perform for nearby transceivers?

• A. High-speed digital communications for meteor scatter
• B. Communication with a digital voice or data network
• C. RTTY encoding and decoding without a computer
• D. FT8 digital communications via AFSK using a smartphone connected to the internet

T5A10

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

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

T1B11

13. What is the maximum peak envelope power output for Technician class operators in their HF band segments?

• A. 200 watts
• B. 100 watts
• C. 50 watts
• D. 10 watts

T3C03

14. What is one characteristic of VHF signals received via auroral backscatter?

• A. They are often received from 10,000 miles or more
• B. They occur only during winter nighttime hours
• C. They are distorted, with a characteristic raspy sound
• D. They are generally strongest when your antenna is aimed west

T3B07

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

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

T6D06

16. What component changes 120 V AC power to a lower AC voltage for other uses?

• A. Variable capacitor
• B. Transistor
• C. Diode
• D. Transformer

T0A04

17. What is the purpose of a fuse in an electrical circuit?

• A. To limit current and prevent shocks
• B. To prevent power supply ripple from damaging a component
• C. All these choices are correct
• D. To remove power in case of an overload

T1A05

18. What proves that the FCC has issued an operator/primary license grant?

• A. The license appears in the FCC ULS database
• B. An email notification from the NCVEC granting the license
• C. All these choices are correct
• D. A printed copy of the certificate of successful completion of examination

T1D12

19. Which of the following is required when making on-the-air test transmissions?

• A. Identify the transmitting station
• B. Conduct tests only between 10 p.m. and 6 a.m. local time
• C. Notify the FCC of the transmissions
• D. All these choices are correct

T5D09

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

• A. 10 amperes
• B. 5760 amperes
• C. 0.1 amperes
• D. 2400 amperes

T8A06

21. Which sideband is normally used for 10-meter HF, VHF, and UHF single-sideband communications?

• A. Inverted sideband
• B. Lower sideband
• C. Suppressed sideband
• D. Upper sideband

T4B08

22. What is the advantage of having a choice of receiver filter bandwidths in a multimode transceiver?

• A. Permits monitoring several modes simultaneously by selecting a separate filter for each mode
• B. Increases the number of frequencies that can be stored in memory
• C. Increases the amount of offset between receive and transmit frequencies
• D. Permits noise or interference reduction by selecting a bandwidth matching the mode

T0B09

23. Why should you avoid attaching an antenna to a utility pole?

• A. All these choices are correct
• B. The antenna will not work properly because of induced voltages
• C. The antenna may unbalance the power transformer, causing power fluctuations
• D. The antenna could contact high-voltage power lines

T8D12

24. Which of the following best describes an amateur radio mesh network?

• A. An amateur-radio data network using commercial Wi-Fi equipment with modified firmware
• B. An amateur-radio satellite communications network using modified commercial satellite TV hardware
• C. An internet linking protocol allowing communication through repeaters around the world
• D. A wide-bandwidth digital voice mode employing DMR protocols

T5C04

25. What is the unit of inductance?

• A. Farad
• B. Coulomb
• C. Henry
• D. Ohm

T6C01

26. What is an electrical diagram using standard component symbols called?

• A. Flow chart
• B. Schematic
• C. Instrumentation system
• D. Connection chart

T1C02

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

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

T2A07

28. What does the term "repeater offset" mean?

• A. The repeater has a time delay to prevent interference
• B. The approximately half-second delay to allow for the "squelch tail" to be removed
• C. The difference between a repeater's transmit and receive frequencies
• D. The fee charged by the repeater owner or club to provide for maintenance

T2C06

29. What is the Amateur Radio Emergency Service (ARES)?

• A. A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
• B. A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
• C. A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
• D. A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service

T5B06

30. Which is equal to 3000 milliamperes?

• A. 0.003 amperes
• B. 3,000,000 amperes
• C. 0.3 amperes
• D. 3 amperes

T7B01

31. 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 farther away from the microphone
• C. Let the transceiver cool off
• D. Talk louder into the microphone

T0C13

32. Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

• A. The local zoning board
• B. The FCC
• C. Anyone who is near an antenna
• D. The station licensee

T6A07

33. What electrical component is typically constructed as a coil of wire?

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

T1E06

34. When, other than during an emergency, 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. When designated as the control operator by an Amateur Extra Class licensee
• C. As part of a multi-operator contest team
• D. When using a club station whose trustee holds an Amateur Extra Class license

T8C11

35. What is an amateur radio station that connects other amateur stations to the internet?

• A. A beacon
• B. A digipeater
• C. A gateway
• D. A repeater