Practice Exam

T2A11

1. What term describes an amateur station that is transmitting and receiving on the same frequency?

• A. Simplex
• B. Full duplex
• C. Multiplex
• D. Diplex

T8C07

2. What is Voice Over Internet Protocol (VoIP)?

• A. A technique employed to "spot" DX stations via the internet
• B. A set of rules specifying how to identify your station when linked over the internet to another station
• C. A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
• D. A method of delivering voice communications over the internet using digital techniques

T2C06

3. What is the Amateur Radio Emergency Service (ARES)?

• A. A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
• B. A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
• C. A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
• D. A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service

T6C03

4. What is component 2 in figure T-1?

• A. Transistor
• B. Connector
• C. Indicator lamp
• D. Resistor

T0C11

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

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

T0A07

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

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

T9B10

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

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

T3A06

8. What is the meaning of the term "picket fencing"?

• A. A type of ground system used with vertical antennas
• B. Alternating transmissions during a net operation
• C. Rapid flutter on mobile signals due to multipath propagation
• D. Local vs long-distance communications

T3B08

9. What frequency range is referred to as VHF?

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

T5D04

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

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

T0B11

11. Which of the following establishes grounding requirements for an amateur radio tower or antenna?

• A. Local electrical codes
• B. FCC Part 97 rules
• C. FAA tower lighting regulations
• D. UL recommended practices

T4B03

12. How is squelch adjusted so that a weak FM signal can be heard?

• A. Turn on the anti-squelch function
• B. Enable squelch enhancement
• C. Turn up the audio level until it overcomes the squelch threshold
• D. Set the squelch threshold so that receiver output audio is on all the time

T1B01

13. Which of the following frequency ranges are available for phone operation by Technician licensees?

• A. 28.500 MHz to 28.600 MHz
• B. 28.300 MHz to 28.500 MHz
• C. 28.050 MHz to 28.150 MHz
• D. 28.100 MHz to 28.300 MHz

T8B02

14. What is the impact of using excessive effective radiated power on a satellite uplink?

• A. Possibility of rebooting the satellite control computer
• B. Blocking access by other users
• C. Overloading the satellite batteries
• D. Possibility of commanding the satellite to an improper mode

T6D05

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

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

T8D08

16. Which of the following is included in packet radio transmissions?

• A. All these choices are correct
• B. A header that contains the call sign of the station to which the information is being sent
• C. A check sum that permits error detection
• D. Automatic repeat request in case of error

T1E10

17. Which of the following is an example of remote control as defined in Part 97?

• A. All these choices are correct
• B. Repeater operation
• C. Operating the station over the internet
• D. Controlling a model aircraft, boat, or car by amateur radio

T7D03

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

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

T1D05

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

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

T7A04

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

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

T9A08

21. What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

• A. 12
• B. 50
• C. 19
• D. 112

T5B01

22. How many milliamperes is 1.5 amperes?

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

T8A07

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

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

T4A02

24. Which of the following should be considered when selecting an accessory SWR meter?

• A. All these choices are correct
• B. The types of modulation being used at the station
• C. The frequency and power level at which the measurements will be made
• D. The distance that the meter will be located from the antenna

T7B03

25. Which of the following can cause radio frequency interference?

• A. Spurious emissions
• B. Harmonics
• C. Fundamental overload
• D. All these choices are correct

T7C10

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

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

T1A09

27. Who selects a Frequency Coordinator?

• A. FCC Regional Field Office
• B. Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
• C. The FCC Office of Spectrum Management and Coordination Policy
• D. The local chapter of the Office of National Council of Independent Frequency Coordinators

T5A10

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

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

T2B03

29. Which of the following describes a linked repeater network?

• A. A system of repeaters linked by APRS
• B. A single repeater with more than one receiver
• C. Multiple repeaters with the same control operator
• D. A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network

T5C03

30. What describes the ability to store energy in a magnetic field?

• A. Admittance
• B. Inductance
• C. Resistance
• D. Capacitance

T1F09

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

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

T1C09

32. What is the grace period for renewal if an amateur license expires?

• A. Five years
• B. Three years
• C. Ten years
• D. Two years

T3C07

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

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

T6B07

34. What causes a light-emitting diode (LED) to emit light?

• A. Reverse current
• B. Inductively-coupled RF signal
• C. Forward current
• D. Capacitively-coupled RF signal

T6A09

35. What electrical component is used to protect other circuit components from current overloads?

• A. Varactor
• B. All these choices are correct
• C. Thyratron
• D. Fuse