Practice Exam

T7D02

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

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

T7B06

2. Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?

• A. Immediately turn off your transmitter and contact the nearest FCC office for assistance
• B. Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
• C. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
• D. All these choices are correct

T0A09

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

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

T5C08

4. What is the formula used to calculate electrical power (P) in a DC circuit?

• A. P = E + I
• B. P = E * I
• C. P = E - I
• D. P = E / I

T8A02

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

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

T7C01

6. 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 prevent over-modulation of a transmitter
• D. To improve the efficiency of an antenna

T5A10

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

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

T1B09

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

T1D02

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

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

T3B03

10. What are the two components of a radio wave?

• A. Voltage and current
• B. Electric and magnetic fields
• C. Impedance and reactance
• D. Ionizing and non-ionizing radiation

T9A03

11. Which of the following describes a simple dipole oriented parallel to Earth's surface?

• A. A vertically polarized antenna
• B. A horizontally polarized antenna
• C. A ground-wave antenna
• D. A travelling-wave antenna

T0B07

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

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

T2B02

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

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

T1A03

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

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

T3C05

15. Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

• A. Knife-edge diffraction
• B. Faraday rotation
• C. Doppler shift
• D. Quantum tunneling

T8D05

16. Which of the following is an application of APRS?

• A. Providing information on the number of stations signed into a repeater
• B. Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
• C. Providing voice over internet connection between repeaters
• D. Showing automatically the number of packets transmitted via PACTOR during a specific time interval

T5B04

17. Which is equal to one microvolt?

• A. One one-millionth of a volt
• B. One million volts
• C. One thousand kilovolts
• D. One one-thousandth of a volt

T1F04

18. What language may you use for identification when operating in a phone sub-band?

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

T6C02

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

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

T6B03

20. Which of these components can be used as an electronic switch?

• A. Potentiometer
• B. Thermistor
• C. Transistor
• D. Varistor

T1E03

21. Who must designate the station control operator?

• A. The FCC
• B. Any licensed operator
• C. The frequency coordinator
• D. The station licensee

T9B05

22. What happens as the frequency of a signal in coaxial cable is increased?

• A. The characteristic impedance increases
• B. The characteristic impedance decreases
• C. The loss increases
• D. The loss decreases

T0C10

23. Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

• A. It affects the peak exposure to radiation
• B. It takes into account the thermal effects of the final amplifier
• C. It takes into account the antenna feed line loss
• D. It affects the average exposure to radiation

T2A09

24. 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. The repeater call sign followed by the station's call sign
• C. "QSY" followed by your call sign
• D. "CQ CQ" followed by the repeater's call sign

T8C07

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

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

T1C10

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

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

T7A01

27. Which term describes the ability of a receiver to detect the presence of a signal?

• A. Selectivity
• B. Total Harmonic Distortion
• C. Sensitivity
• D. Linearity

T2C10

28. What information is contained in the preamble of a formal traffic message?

• A. The email address of the originating station
• B. Information needed to track the message
• C. The telephone number of the addressee
• D. The address of the intended recipient

T6D09

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

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

T5D12

30. What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

• A. 8 volts
• B. 20 volts
• C. 12 volts
• D. 0.2 volts

T3A01

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

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

T6A02

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

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

T8B04

33. What mode of transmission is commonly used by amateur radio satellites?

• A. FM
• B. All these choices are correct
• C. CW/data
• D. SSB

T4A12

34. What is an electronic keyer?

• A. An interlock to prevent unauthorized use of a radio
• B. A device for switching antennas from transmit to receive
• C. A device that assists in manual sending of Morse code
• D. A device for voice activated switching from receive to transmit

T4B03

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

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