Practice Exam

T8C10

1. What is required before using the EchoLink system?

• A. Register your call sign and provide proof of license
• B. Complete the required EchoLink training
• C. Purchase a license to use the EchoLink software
• D. All these choices are correct

T1A08

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

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

T7B02

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

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

T9B11

4. Which of the following types of feed line has the lowest loss at VHF and UHF?

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

T2B06

5. What type of signaling uses pairs of audio tones?

• A. D-STAR
• B. CTCSS
• C. GPRS
• D. DTMF

T0A06

6. What is a good way to guard against electrical shock at your station?

• A. Connect all AC powered station equipment to a common safety ground
• B. Install mechanical interlocks in high-voltage circuits
• C. Use three-wire cords and plugs for all AC powered equipment
• D. All these choices are correct

T1B08

7. How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

• A. Digital transmissions are not permitted in those segments
• B. U.S. amateurs must give foreign amateur stations priority in those segments
• C. U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
• D. International communications are not permitted in those segments

T1E09

8. Which of the following are required for remote control operation?

• A. The control operator must be at the control point
• B. The control operator must indirectly manipulate the controls
• C. All these choices are correct
• D. A control operator is required at all times

T1F07

9. Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

• A. The foreign station must be in a country with which the U.S. has a third party agreement
• B. All these choices are correct
• C. The licensed control operator must do the station identification
• D. The person must be a U.S. citizen

T7A02

10. What is a transceiver?

• A. A device for converting receiver and transmitter frequencies to another band
• B. A device for automatically sending and decoding Morse code
• C. A device for matching feed line impedance to 50 ohms
• D. A device that combines a receiver and transmitter

T2C07

11. Which of the following is standard practice when you participate in a net?

• A. All these choices are correct
• B. When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
• C. Record the time of each of your transmissions
• D. Unless you are reporting an emergency, transmit only when directed by the net control station

T7D03

12. When configured to measure current, how is a multimeter connected to a component?

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

T5C11

13. How much current is required to deliver 120 watts at a voltage of 12 volts DC?

• A. 10 amperes
• B. 0.1 amperes
• C. 12 amperes
• D. 132 amperes

T9A06

14. Which of the following types of antenna offers the greatest gain?

• A. J pole
• B. Isotropic
• C. Yagi
• D. 5/8 wave vertical

T8A07

15. What is a characteristic of single sideband (SSB) compared to FM?

• A. All these choices are correct
• B. SSB signals are less susceptible to interference
• C. SSB signals are easier to tune in correctly
• D. SSB signals have narrower bandwidth

T0B04

16. Which of the following is an important safety precaution to observe when putting up an antenna tower?

• A. Wear a ground strap connected to your wrist at all times
• B. Look for and stay clear of any overhead electrical wires
• C. Insulate the base of the tower to avoid lightning strikes
• D. All these choices are correct

T5B01

17. How many milliamperes is 1.5 amperes?

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

T3C11

18. 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 signals move somewhat faster than the speed of light
• C. Radio waves are not blocked by dust particles
• D. Radio waves are blocked by dust particles

T8B10

19. What is a LEO satellite?

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

T2A04

20. What is an appropriate way to call another station on a repeater if you know the other station's call sign?

• A. Say the station's call sign, then identify with your call sign
• B. Say "CQ" three times, then the other station's call sign
• C. Say "break, break," then say the station's call sign
• D. Wait for the station to call CQ, then answer

T6B12

21. What are the names of the electrodes of a bipolar junction transistor?

• A. Emitter, base, collector
• B. Pole one, pole two, output
• C. Signal, bias, power
• D. Input, output, supply

T1C10

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

T6C08

23. What is component 9 in figure T-2?

• A. Variable inductor
• B. Variable resistor
• C. Variable capacitor
• D. Variable transformer

T7C10

24. Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

• A. Ultraviolet and RF signals can mix, causing interference
• B. Ultraviolet light can increase losses in the cable's jacket
• C. Ultraviolet resistant jackets prevent harmonic radiation
• D. Ultraviolet light can damage the jacket and allow water to enter the cable

T8D09

25. What is CW?

• A. Another name for a Morse code transmission
• B. A type of electromagnetic propagation
• C. A technique for coil winding
• D. A digital mode used primarily on 2 meter FM

T5D04

26. What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

• A. 93 ohms
• B. 3 ohms
• C. 270 ohms
• D. 30 ohms

T1D11

27. When may an amateur station transmit without identifying on the air?

• A. When the transmissions are unmodulated
• B. When transmitting signals to control model craft
• C. When the transmissions are of a brief nature to make station adjustments
• D. When the transmitted power level is below 1 watt

T0C11

28. What is the definition of duty cycle during the averaging time for RF exposure?

• A. The percentage of time that a transmitter is not transmitting
• B. The percentage of time that a transmitter is transmitting
• C. The difference between the PEP and average power output of a transmitter
• D. The difference between the lowest power output and the highest power output of a transmitter

T3B01

29. What is the relationship between the electric and magnetic fields of an electromagnetic wave?

• A. They are in parallel
• B. They revolve in opposite directions
• C. They are at right angles
• D. They travel at different speeds

T3A05

30. When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

• A. Change from vertical to horizontal polarization
• B. Increase the antenna SWR
• C. Try the long path
• D. Try to find a path that reflects signals to the repeater

T4B01

31. What is the effect of excessive microphone gain on SSB transmissions?

• A. All these choices are correct
• B. Frequency instability
• C. Increased SWR
• D. Distorted transmitted audio

T6A05

32. What type of electrical component consists of conductive surfaces separated by an insulator?

• A. Resistor
• B. Oscillator
• C. Capacitor
• D. Potentiometer

T6D05

33. What type of circuit controls the amount of voltage from a power supply?

• A. Regulator
• B. Phase inverter
• C. Oscillator
• D. Filter

T4A04

34. How are the transceiver audio input and output connected in a station configured to operate using FT8?

• A. To the audio input and output of a computer running WSJT-X software
• B. To a computer running a terminal program and connected to a terminal node controller unit
• C. To a computer connected to the FT8converter.com website
• D. To an FT8 conversion unit, a keyboard, and a computer monitor

T5A01

35. Electrical current is measured in which of the following units?

• A. Amperes
• B. Volts
• C. Ohms
• D. Watts