Practice Exam

T7B02

1. What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

• A. The audio amplifier of the transmitter is overloaded
• B. The receiver is unable to reject strong signals outside the AM or FM band
• C. The deviation of an FM transmitter is set too low
• D. The microphone gain of the transmitter is turned up too high

T1F10

2. Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

• A. The owner of the repeater
• B. The control operator of the originating station
• C. Both the originating station and the repeater owner
• D. The control operator of the repeater

T1A01

3. Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

• A. Providing communications for international non-profit organizations
• B. All these choices are correct
• C. Providing personal radio communications for as many citizens as possible
• D. Advancing skills in the technical and communication phases of the radio art

T3C01

4. Why are simplex UHF signals rarely heard beyond their radio horizon?

• A. They are too weak to go very far
• B. UHF signals are usually not propagated by the ionosphere
• C. UHF signals are absorbed by the ionospheric D region
• D. FCC regulations prohibit them from going more than 50 miles

T1B10

5. Where may SSB phone be used in amateur bands above 50 MHz?

• A. On any band if the power is limited to 25 watts
• B. Only on repeaters
• C. In at least some segment of all these bands
• D. Only in sub-bands allocated to General class or higher licensees

T7C03

6. What does a dummy load consist of?

• A. A low-voltage power supply and a DC relay
• B. A non-inductive resistor mounted on a heat sink
• C. A high-gain amplifier and a TR switch
• D. A 50-ohm reactance used to terminate a transmission line

T6B08

7. What does the abbreviation FET stand for?

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

T8C05

8. What is a grid locator?

• A. An instrument for radio direction finding
• B. A letter-number designator assigned to a geographic location
• C. A letter-number designator assigned to an azimuth and elevation
• D. An instrument for neutralizing a final amplifier

T5A05

9. What is the electrical term for the force that causes electron flow?

• A. Ampere-hours
• B. Inductance
• C. Capacitance
• D. Voltage

T1E02

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

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

T4B03

11. How is squelch adjusted so that a weak FM signal can be heard?

• A. Enable squelch enhancement
• B. Set the squelch threshold so that receiver output audio is on all the time
• C. Turn up the audio level until it overcomes the squelch threshold
• D. Turn on the anti-squelch function

T5C02

12. What is the unit of capacitance?

• A. The farad
• B. The henry
• C. The volt
• D. The ohm

T2B11

13. Which Q signal indicates that you are changing frequency?

• A. QSY
• B. QRZ
• C. QSL
• D. QRU

T0C12

14. How does RF radiation differ from ionizing radiation (radioactivity)?

• A. RF radiation is limited in range to a few feet
• B. RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
• C. RF radiation is perfectly safe
• D. RF radiation can only be detected with an RF dosimeter

T9A09

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

• A. 50
• B. 112
• C. 6
• D. 236

T0A11

16. What hazard exists in a power supply immediately after turning it off?

• A. Leakage flux in the power transformer
• B. Charge stored in filter capacitors
• C. Voltage transients from kickback diodes
• D. Circulating currents in the dc filter

T8D03

17. What kind of data can be transmitted by APRS?

• A. All these choices are correct
• B. Weather data
• C. GPS position data
• D. Text messages

T6A11

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

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

T2C06

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

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

T8B10

20. What is a LEO satellite?

• A. A satellite in low earth orbit
• B. A sun synchronous satellite
• C. A satellite in low energy operation mode
• D. A highly elliptical orbit satellite

T7D04

21. Which instrument is used to measure electric current?

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

T6D04

22. Which of the following displays an electrical quantity as a numeric value?

• A. Relay
• B. Potentiometer
• C. Transistor
• D. Meter

T3B10

23. What frequency range is referred to as HF?

• A. 300 to 3000 MHz
• B. 30 to 300 MHz
• C. 3 to 30 MHz
• D. 300 to 3000 kHz

T2A05

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

• A. Transmit the other station's call sign followed by your 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 "CQ" followed by the other station's call sign

T0B07

25. Which of the following is an important safety rule to remember when using a crank-up tower?

• A. This type of tower must never be painted
• B. This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
• C. This type of tower must never be grounded
• D. All these choices are correct

T4A04

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

T5B08

27. Which is equal to 1,000,000 picofarads?

• A. 1,000,000,000 microfarads
• B. 1000 microfarads
• C. 1 microfarad
• D. 0.001 microfarads

T1C02

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

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

T5D07

29. What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

• A. 0.667 amperes
• B. 200 amperes
• C. 1.5 amperes
• D. 9600 amperes

T1D07

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

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

T7A08

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

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

T8A11

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

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

T9B09

33. What can cause erratic changes in SWR?

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

T3A06

34. What is the meaning of the term "picket fencing"?

• A. Alternating transmissions during a net operation
• B. A type of ground system used with vertical antennas
• C. Rapid flutter on mobile signals due to multipath propagation
• D. Local vs long-distance communications

T6C02

35. What is component 1 in figure T-1?

• A. Transistor
• B. Resistor
• C. Connector
• D. Battery