Practice Exam

T8A06

1. Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

• A. Lower sideband
• B. Inverted sideband
• C. Suppressed sideband
• D. Upper sideband

T7D07

2. Which of the following measurements are made using a multimeter?

• A. All these choices are correct
• B. Voltage and resistance
• C. Impedance and reactance
• D. Signal strength and noise

T7B05

3. How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

• A. Switch the transmitter from FM to SSB
• B. Block the interfering signal with a filter on the amateur transmitter
• C. Switch the transmitter to a narrow-band mode
• D. Block the amateur signal with a filter at the antenna input of the affected receiver

T5C05

4. What is the unit of impedance?

• A. The ampere
• B. The ohm
• C. The volt
• D. The coulomb

T5D03

5. What formula is used to calculate resistance in a circuit?

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

T6A01

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

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

T5B12

7. Which is equal to 28400 kHz?

• A. 28.400 MHz
• B. 2.800 MHz
• C. 284.00 MHz
• D. 28.400 kHz

T1C07

8. Which of the following can result in revocation of the station license or suspension of the operator license?

• A. Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
• B. Failure to obtain FCC type acceptance prior to using a home-built transmitter
• C. Failure to provide and maintain a correct email address with the FCC
• D. Failure to have a copy of your license available at your station

T3A09

9. Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

• A. FM voice is unusable
• B. Digital modes are unusable
• C. Both the transmitting and receiving antennas must be of the same polarization
• D. Either vertically or horizontally polarized antennas may be used for transmission or reception

T2C05

10. What does the term "traffic" refer to in net operation?

• A. Operation by mobile or portable stations
• B. Requests to activate the net by a served agency
• C. The number of stations checking in and out of a net
• D. Messages exchanged by net stations

T1D02

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

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

T3C07

12. What band is best suited for communicating via meteor scatter?

• A. 6 meters
• B. 33 centimeters
• C. 2 meters
• D. 70 centimeters

T2B01

13. How is a VHF/UHF transceiver's "reverse" function used?

• A. To listen on a repeater's input frequency
• B. To increase power output
• C. To reduce power output
• D. To listen on a repeater's output frequency

T8C10

14. What is required before using the EchoLink system?

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

T1A07

15. What is the FCC Part 97 definition of a space station?

• A. Any satellite orbiting Earth
• B. An amateur station located more than 50 km above Earth's surface
• C. An amateur station using amateur radio satellites for relay of signals
• D. A manned satellite orbiting Earth

T0A02

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

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

T2A02

17. What is the national calling frequency for FM simplex operations in the 2 meter band?

• A. 145.000 MHz
• B. 146.520 MHz
• C. 432.100 MHz
• D. 446.000 MHz

T4B06

18. Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

• A. The AGC or limiter
• B. The tone squelch
• C. The bandwidth selection
• D. The RIT or Clarifier

T8B09

19. What causes spin fading of satellite signals?

• A. Interfering signals within the satellite uplink band
• B. Doppler shift of the received signal
• C. Rotation of the satellite and its antennas
• D. Circular polarized noise interference radiated from the sun

T1F07

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

T1B07

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

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

T0B06

22. What is the minimum safe distance from a power line to allow when installing an antenna?

• A. The height of the power line above ground
• B. Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
• C. 1/2 wavelength at the operating frequency
• D. Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires

T9A11

23. What is antenna gain?

• A. The increase in signal strength in a specified direction compared to a reference antenna
• B. The increase in impedance on receive or transmit compared to a reference antenna
• C. The additional power that is added to the transmitter power
• D. The additional power that is required in the antenna when transmitting on a higher frequency

T7C11

24. What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

• A. It requires special techniques to prevent moisture in the cable
• B. It cannot be used at below freezing temperatures
• C. It has more loss per foot
• D. It cannot be used for VHF or UHF antennas

T0C03

25. How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

• A. There is no adjustment allowed for lower duty cycle
• B. It increases by a factor of 3
• C. It decreases by 50 percent
• D. It increases by a factor of 2

T5A09

26. Which of the following describes alternating current?

• A. Current that alternates between a positive direction and zero
• B. Current that alternates between positive and negative directions
• C. All these answers are correct
• D. Current that alternates between a negative direction and zero

T1E01

27. When may an amateur station transmit without a control operator?

• A. Never
• B. When using automatic control, such as in the case of a repeater
• C. When the transmitting station is an auxiliary station
• D. When the station licensee is away and another licensed amateur is using the station

T6C01

28. 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

T4A03

29. Why are short, heavy-gauge wires used for a transceiver's DC power connection?

• A. To avoid RF interference
• B. To provide a good counterpoise for the antenna
• C. All these choices are correct
• D. To minimize voltage drop when transmitting

T6B05

30. What type of transistor has a gate, drain, and source?

• A. Bipolar junction
• B. Tesla-effect
• C. Varistor
• D. Field-effect

T7A10

31. 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

T6D10

32. What is the function of component 2 in figure T-1?

• A. Convert electrical energy into radio waves
• B. Give off light when current flows through it
• C. Control the flow of current
• D. Supply electrical energy

T8D03

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

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

T9B01

34. What is a benefit of low SWR?

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

T3B07

35. In addition to frequency, which of the following is used to identify amateur radio bands?

• A. Traditional letter/number designators
• B. Channel numbers
• C. The approximate wavelength in meters
• D. All these choices are correct