Practice Exam

T1C10

1. How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

• A. Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
• B. As soon as your operator/station license grant appears on the ARRL website
• C. As soon as your operator/station license grant appears in the FCC's license database
• D. As soon as you receive your license in the mail from the FCC

T1F06

2. Which of the following self-assigned indicators are acceptable when using a phone transmission?

• A. All these choices are correct
• B. KL7CC slash W3
• C. KL7CC slant W3
• D. KL7CC stroke W3

T8B02

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

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

T1E08

4. Which of the following is an example of automatic control?

• A. Controlling a station over the internet
• B. Using a computer or other device to identify automatically
• C. Repeater operation
• D. Using a computer or other device to send CW automatically

T7A10

5. What device increases the transmitted output power from a transceiver?

• A. A voltage divider
• B. An RF power amplifier
• C. All these choices are correct
• D. An impedance network

T6B02

6. What electronic component allows current to flow in only one direction?

• A. Resistor
• B. Diode
• C. Fuse
• D. Driven element

T2C09

7. Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

• A. Yes, but only when part of a FEMA emergency plan
• B. No
• C. Yes, but only in situations involving the immediate safety of human life or protection of property
• D. Yes, but only when part of a RACES emergency plan

T2A06

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

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

T8D13

9. What is FT8?

• A. An eight channel multiplex mode for FM repeaters
• B. A digital slow-scan TV mode with forward error correction and automatic color compensation
• C. A wideband FM voice mode
• D. A digital mode capable of low signal-to-noise operation

T0C05

10. Why do exposure limits vary with frequency?

• A. Lower frequency RF fields do not penetrate the human body
• B. Lower frequency RF fields have more energy than higher frequency fields
• C. Higher frequency RF fields are transient in nature
• D. The human body absorbs more RF energy at some frequencies than at others

T6C03

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

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

T1A08

12. Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

• A. Volunteer Frequency Coordinator recognized by local amateurs
• B. Frequency Spectrum Manager appointed by the FCC
• C. International Telecommunication Union
• D. FCC Regional Field Office

T2B11

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

• A. QRU
• B. QSL
• C. QRZ
• D. QSY

T6D06

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

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

T0A04

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

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

T6A06

16. What type of electrical component stores energy in a magnetic field?

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

T1B07

17. Which of the following VHF/UHF band segments are limited to CW only?

• A. All these choices are correct
• B. 902.0 MHz to 902.1 MHz
• C. 50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
• D. 219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz

T9B06

18. Which of the following RF connector types is most suitable for frequencies above 400 MHz?

• A. RS-213
• B. UHF (PL-259/SO-239)
• C. Type N
• D. DB-25

T8C01

19. Which of the following methods is used to locate sources of noise interference or jamming?

• A. Radio direction finding
• B. Phase locking
• C. Doppler radar
• D. Echolocation

T4A07

20. Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

• A. Computer "line in" to transceiver push-to-talk
• B. Computer "line out" to transceiver speaker connector
• C. Computer "line in" to transceiver speaker connector
• D. Computer "line out" to transceiver push-to-talk

T7D04

21. Which instrument is used to measure electric current?

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

T4B02

22. Which of the following can be used to enter a transceiver's operating frequency?

• A. The Automatic Frequency Control
• B. All these choices are correct
• C. The CTCSS or DTMF encoder
• D. The keypad or VFO knob

T3C11

23. Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

• A. The atmosphere refracts radio waves slightly
• B. Radio waves are not blocked by dust particles
• C. Radio signals move somewhat faster than the speed of light
• D. Radio waves are blocked by dust particles

T5B06

24. Which is equal to 3000 milliamperes?

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

T8A01

25. Which of the following is a form of amplitude modulation?

• A. Packet radio
• B. Spread spectrum
• C. Single sideband
• D. Phase shift keying (PSK)

T5D07

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

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

T7B11

27. What is a symptom of RF feedback in a transmitter or transceiver?

• A. Frequent blowing of power supply fuses
• B. Reports of garbled, distorted, or unintelligible voice transmissions
• C. The transmitter will not stay on the desired frequency
• D. Excessive SWR at the antenna connection

T5C06

28. What does the abbreviation "RF" mean?

• A. The resonant frequency of a tuned circuit
• B. Radio frequency signals of all types
• C. Reflective force in antenna transmission lines
• D. The real frequency transmitted as opposed to the apparent frequency

T3B11

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

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

T5A08

30. Which of the following is a good electrical insulator?

• A. Aluminum
• B. Glass
• C. Mercury
• D. Copper

T0B08

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

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

T7C09

32. Which of the following causes failure of coaxial cables?

• A. Solder flux contamination
• B. Operation at 100% duty cycle for an extended period
• C. Rapid fluctuation in transmitter output power
• D. Moisture contamination

T1D02

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

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

T9A10

34. In which direction does a half-wave dipole antenna radiate the strongest signal?

• A. In the direction of the feed line
• B. Broadside to the antenna
• C. Equally in all directions
• D. Off the ends of the antenna

T3A11

35. Which region of the atmosphere can refract or bend HF and VHF radio waves?

• A. The ionosphere
• B. The stratosphere
• C. The troposphere
• D. The mesosphere