Practice Exam

T8C04

1. Which of the following is good procedure when contacting another station in a contest?

• A. Sign only the last two letters of your call if there are many other stations calling
• B. Contact the station twice to be sure that you are in his log
• C. All these choices are correct
• D. Send only the minimum information needed for proper identification and the contest exchange

T7B09

2. What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

• A. Add a high-pass filter to the TV antenna input
• B. Add a preamplifier to the TV antenna input
• C. Add a low-pass filter to the TV antenna input
• D. Be sure all TV feed line coaxial connectors are installed properly

T8D09

3. What is CW?

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

T5B05

4. Which is equal to 500 milliwatts?

• A. 0.02 watts
• B. 50 watts
• C. 0.5 watts
• D. 5 watts

T1C02

5. Who may select a desired call sign under the vanity call sign rules?

• A. Only a licensed amateur with a General or Amateur Extra Class license
• B. Only a licensed amateur who has been licensed continuously for more than 10 years
• C. Only a licensed amateur with an Amateur Extra Class license
• D. Any licensed amateur

T9A11

6. What is antenna gain?

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

T2C05

7. 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. Messages exchanged by net stations
• D. The number of stations checking in and out of a net

T1D07

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

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

T0B01

9. Which of the following is good practice when installing ground wires on a tower for lightning protection?

• A. Put a drip loop in the ground connection to prevent water damage to the ground system
• B. Make sure all ground wire bends are right angles
• C. Ensure that connections are short and direct
• D. All these choices are correct

T9B10

10. What is the electrical difference between RG-58 and RG-213 coaxial cable?

• A. RG-58 cable has two shields
• B. There is no significant difference between the two types
• C. RG-213 cable has less loss at a given frequency
• D. RG-58 cable can handle higher power levels

T0C07

11. What hazard is created by touching an antenna during a transmission?

• A. Electrocution
• B. Radiation poisoning
• C. All these choices are correct
• D. RF burn to skin

T7D01

12. Which instrument would you use to measure electric potential?

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

T4B02

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

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

T5C06

14. What does the abbreviation "RF" mean?

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

T0A03

15. In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

• A. Black insulation is never used
• B. Hot
• C. Neutral
• D. Equipment ground

T3A12

16. What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

• A. There is little effect
• B. Absorption
• C. Range increase
• D. Deflection

T6D03

17. Which of the following is a reason to use shielded wire?

• A. To prevent coupling of unwanted signals to or from the wire
• B. To increase the current carrying capability of the wire
• C. To couple the wire to other signals
• D. To decrease the resistance of DC power connections

T3C05

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

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

T2B13

19. What is the purpose of a squelch function?

• A. Eliminate parasitic oscillations in an RF amplifier
• B. Mute the receiver audio when a signal is not present
• C. Reduce interference from impulse noise
• D. Reduce a CW transmitter's key clicks

T7A04

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

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

T4A11

21. Where should the negative power return of a mobile transceiver be connected in a vehicle?

• A. To any metal part of the vehicle
• B. At the antenna mount
• C. Through the transceiver's mounting bracket
• D. At the 12 volt battery chassis ground

T5A08

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

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

T1B07

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

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

T8B09

24. What causes spin fading of satellite signals?

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

T1E11

25. Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

• A. The station custodian
• B. The station licensee
• C. The person operating the station equipment
• D. The third party participant

T5D01

26. 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

T3B02

27. What property of a radio wave defines its polarization?

• A. The orientation of the electric field
• B. The orientation of the magnetic field
• C. The ratio of the energy in the magnetic field to the energy in the electric field
• D. The ratio of the velocity to the wavelength

T1A06

28. What is the FCC Part 97 definition of a beacon?

• A. A bulletin sent by the FCC to announce a national emergency
• B. A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
• C. A government transmitter marking the amateur radio band edges
• D. An amateur station transmitting communications for the purposes of observing propagation or related experimental activities

T6A08

29. What is the function of an SPDT switch?

• A. A single circuit is opened or closed
• B. Two circuits are opened or closed
• C. A single circuit is switched between one of two other circuits
• D. Two circuits are each switched between one of two other circuits

T2A05

30. How should you respond to a station calling CQ?

• A. Transmit the other station's call sign followed by your call sign
• B. Transmit your call sign followed by the other station's call sign
• C. Transmit "CQ" followed by the other station's call sign
• D. Transmit a signal report followed by your call sign

T6B05

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

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

T6C10

32. What is component 3 in figure T-3?

• A. Meter
• B. Variable inductor
• C. Variable capacitor
• D. Connector

T1F06

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

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

T8A06

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

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

T7C10

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

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