Practice Exam

T3A09

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

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

T3C10

2. Which of the following bands may provide long-distance communications via the ionosphere's F region during the peak of the sunspot cycle?

• A. 70 centimeters and 1.25 meters
• B. All these choices are correct
• C. 23 centimeters
• D. 6 and 10 meters

T9B10

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

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

T9A09

4. What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

• A. 6
• B. 112
• C. 50
• D. 236

T8B07

5. What is Doppler shift in reference to satellite communications?

• A. A change in the satellite orbit
• B. An observed change in signal frequency caused by relative motion between the satellite and Earth station
• C. A mode where the satellite receives signals on one band and transmits on another
• D. A special digital communications mode for some satellites

T0B10

6. Which of the following is true when installing grounding conductors used for lightning protection?

• A. Common grounds must be avoided
• B. Wires must be carefully routed with precise right-angle bends
• C. Use only non-insulated wire
• D. Sharp bends must be avoided

T8C03

7. What operating activity involves contacting as many stations as possible during a specified period?

• A. Net operations
• B. Contesting
• C. Public service events
• D. Simulated emergency exercises

T1E04

8. What determines the transmitting frequency privileges of an amateur station?

• A. The frequency authorized by the frequency coordinator
• B. The frequencies printed on the license grant
• C. The highest class of operator license held by anyone on the premises
• D. The class of operator license held by the control operator

T6C04

9. What is component 3 in figure T-1?

• A. Lamp
• B. Ground symbol
• C. Transistor
• D. Resistor

T7B01

10. What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

• A. Change to a higher power level
• B. Let the transceiver cool off
• C. Talk farther away from the microphone
• D. Talk louder into the microphone

T6B02

11. What electronic component allows current to flow in only one direction?

• A. Diode
• B. Driven element
• C. Resistor
• D. Fuse

T3B09

12. What frequency range is referred to as UHF?

• A. 300 to 3000 MHz
• B. 30 to 300 MHz
• C. 30 to 300 kHz
• D. 300 to 3000 kHz

T5A10

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

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

T0C12

14. How does RF radiation differ from ionizing radiation (radioactivity)?

• A. RF radiation can only be detected with an RF dosimeter
• B. RF radiation is limited in range to a few feet
• C. RF radiation is perfectly safe
• D. RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA

T0A07

15. Where should a lightning arrester be installed in a coaxial feed line?

• A. On a grounded panel near where feed lines enter the building
• B. At the output connector of a transceiver
• C. At the antenna feed point
• D. At the ac power service panel

T2B06

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

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

T4B08

17. What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

• A. Increases the amount of offset between receive and transmit frequencies
• B. Increases the number of frequencies that can be stored in memory
• C. Permits noise or interference reduction by selecting a bandwidth matching the mode
• D. Permits monitoring several modes at once by selecting a separate filter for each mode

T1F09

18. What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

• A. Repeater station
• B. Message forwarding station
• C. Earth station
• D. Beacon station

T1A03

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

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

T7C08

20. Which instrument can be used to determine SWR?

• A. Voltmeter
• B. Directional wattmeter
• C. Ohmmeter
• D. Iambic pentameter

T5D01

21. 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

T5C11

22. 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

T8A07

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

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

T6A08

24. What is the function of an SPDT switch?

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

T6D03

25. 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

T1C03

26. What types of international communications are an FCC-licensed amateur radio station permitted to make?

• A. Any communications that would be permitted by an international broadcast station
• B. Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
• C. Communications incidental to conducting business or remarks of a personal nature
• D. Only communications incidental to contest exchanges; all other communications are prohibited

T2A10

27. What is a band plan, beyond the privileges established by the FCC?

• A. A plan devised by a club to indicate frequency band usage
• B. A voluntary guideline for using different modes or activities within an amateur band
• C. A list of available net frequencies
• D. A list of operating schedules

T2C03

28. What technique is used to ensure that voice messages containing unusual words are received correctly?

• A. All these choices are correct
• B. Speak very loudly into the microphone
• C. Send the words by voice and Morse code
• D. Spell the words using a standard phonetic alphabet

T1B12

29. Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

• A. 500 watts
• B. 100 watts
• C. 50 watts
• D. 1500 watts

T5B11

30. Which decibel value represents a power increase from 20 watts to 200 watts?

• A. 10 dB
• B. 18 dB
• C. 12 dB
• D. 28 dB

T4A12

31. What is an electronic keyer?

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

T8D01

32. Which of the following is a digital communications mode?

• A. IEEE 802.11
• B. Packet radio
• C. FT8
• D. All these choices are correct

T7D03

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

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

T1D05

34. When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

• A. When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
• B. When selling amateur radio equipment and not on a regular basis
• C. When no profit is made on the sale
• D. Never

T7A04

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

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