Practice Exam

T1D07

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

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

T8B06

2. Which of the following are inputs to a satellite tracking program?

• A. The Keplerian elements
• B. The satellite transmitted power
• C. All these choices are correct
• D. The last observed time of zero Doppler shift

T9A03

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

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

T3B01

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

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

T6B09

5. What are the names for the electrodes of a diode?

• A. Anode and cathode
• B. Plus and minus
• C. Source and drain
• D. Gate and base

T2A06

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

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

T4B01

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

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

T3C02

8. What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

• A. Long-distance ionospheric propagation is far more common on HF
• B. There is less atmospheric interference (static) on HF
• C. HF accommodates wider bandwidth signals
• D. HF antennas are generally smaller

T8D03

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

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

T1F05

10. What method of call sign identification is required for a station transmitting phone signals?

• A. Send the call sign followed by the indicator RPT
• B. Send the call sign followed by the indicator R
• C. Send the call sign using a CW or phone emission
• D. Send the call sign using only a phone emission

T5D01

11. What formula is used to calculate current in a circuit?

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

T7A04

12. Which term describes the ability of a receiver to discriminate between multiple signals?

• A. Sensitivity
• B. Discrimination ratio
• C. Selectivity
• D. Harmonic distortion

T1A10

13. What is the Radio Amateur Civil Emergency Service (RACES)?

• A. A radio service using amateur frequencies for emergency management or civil defense communications
• B. An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
• C. All these choices are correct
• D. A radio service using amateur stations for emergency management or civil defense communications

T4A04

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

• A. To an FT8 conversion unit, a keyboard, and a computer monitor
• 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 the audio input and output of a computer running WSJT-X software

T6C01

15. What is the name of an electrical wiring diagram that uses standard component symbols?

• A. Bill of materials
• B. Connector pinout
• C. Schematic
• D. Flow chart

T1B05

16. How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

• A. Emergency traffic only
• B. Fixed digital message forwarding systems only
• C. Fast-scan television only
• D. Spread spectrum only

T0B08

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

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

T7B04

18. Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

• A. Preamplifier
• B. Low-pass filter
• C. Ferrite choke
• D. Band-pass filter

T5C11

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

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

T7D02

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

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

T6A01

21. What electrical component opposes the flow of current in a DC circuit?

• A. Transformer
• B. Inverter
• C. Inductor
• D. Resistor

T0A02

22. What health hazard is presented by electrical current flowing through the body?

• A. It may disrupt the electrical functions of cells
• B. All these choices are correct
• C. It may cause injury by heating tissue
• D. It may cause involuntary muscle contractions

T9B01

23. What is a benefit of low SWR?

• A. Reduced television interference
• B. All these choices are correct
• C. Less antenna wear
• D. Reduced signal loss

T3A10

24. What effect does multi-path propagation have on data transmissions?

• A. Transmission rates must be decreased by a factor equal to the number of separate paths observed
• B. Error rates are likely to increase
• C. Transmission rates must be increased by a factor equal to the number of separate paths observed
• D. No significant changes will occur if the signals are transmitted using FM

T0C02

25. At which of the following frequencies does maximum permissible exposure have the lowest value?

• A. 3.5 MHz
• B. 1296 MHz
• C. 440 MHz
• D. 50 MHz

T5A05

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

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

T6D01

27. Which of the following devices or circuits changes an alternating current into a varying direct current signal?

• A. Transformer
• B. Reflector
• C. Rectifier
• D. Amplifier

T5B03

28. Which is equal to one kilovolt?

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

T2C09

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

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

T7C09

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

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

T8A10

31. What is the approximate bandwidth of AM fast-scan TV transmissions?

• A. About 3 MHz
• B. About 1 MHz
• C. More than 10 MHz
• D. About 6 MHz

T8C08

32. What is the Internet Radio Linking Project (IRLP)?

• A. A system for providing access to websites via amateur radio
• B. A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
• C. A technique for measuring signal strength of an amateur transmitter via the internet
• D. A system for informing amateurs in real time of the frequency of active DX stations

T1E02

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

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

T2B10

34. Which Q signal indicates that you are receiving interference from other stations?

• A. QRN
• B. QSB
• C. QRM
• D. QTH

T1C11

35. If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

• A. Yes, for up to two years
• B. Yes, as soon as you apply for renewal
• C. No, you must wait until the license has been renewed
• D. Yes, for up to one year