Practice Exam

T9B08

1. Which of the following is a source of loss in coaxial feed line?

• A. All these choices are correct
• B. Multiple connectors in the line
• C. Water intrusion into coaxial connectors
• D. High SWR

T3B05

2. What is the relationship between wavelength and frequency?

• A. Wavelength and frequency increase as path length increases
• B. Wavelength gets longer as frequency increases
• C. Wavelength and frequency are unrelated
• D. Wavelength gets shorter as frequency increases

T6C11

3. What is component 4 in figure T-3?

• A. Transmitter
• B. Antenna
• C. Ground
• D. Dummy load

T5A04

4. What are the units of electrical resistance?

• A. Siemens
• B. Ohms
• C. Coulombs
• D. Mhos

T6D07

5. Which of the following is commonly used as a visual indicator?

• A. Bipolar transistor
• B. Zener diode
• C. FET
• D. LED

T1B01

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

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

T7D06

7. Which of the following can damage a multimeter?

• A. Attempting to measure voltage when using the resistance setting
• B. Attempting to measure resistance using the voltage setting
• C. Failing to connect one of the probes to ground
• D. Not allowing it to warm up properly

T6B04

8. Which of the following components can consist of three regions of semiconductor material?

• A. Transistor
• B. Triode
• C. Alternator
• D. Pentagrid converter

T8D05

9. Which of the following is an application of APRS?

• A. Showing automatically the number of packets transmitted via PACTOR during a specific time interval
• B. Providing information on the number of stations signed into a repeater
• C. Providing voice over internet connection between repeaters
• D. Providing real-time tactical digital communications in conjunction with a map showing the locations of stations

T2C04

10. What is RACES?

• A. A radio contest held in a short period, sometimes called a "sprint"
• B. An international radio experimentation society
• C. An FCC part 97 amateur radio service for civil defense communications during national emergencies
• D. An emergency organization combining amateur radio and citizens band operators and frequencies

T0B03

11. Under what circumstances is it safe to climb a tower without a helper or observer?

• A. Never
• B. When no mechanical work is being performed
• C. When no electrical work is being performed
• D. When the work being done is not more than 20 feet above the ground

T7A05

12. What is the name of a circuit that generates a signal at a specific frequency?

• A. Phase modulator
• B. Reactance modulator
• C. Oscillator
• D. Low-pass filter

T8B08

13. What is meant by the statement that a satellite is operating in U/V mode?

• A. The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
• B. The satellite operates using ultraviolet frequencies
• C. The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
• D. The satellite frequencies are usually variable

T0A06

14. What is a good way to guard against electrical shock at your station?

• A. All these choices are correct
• B. Install mechanical interlocks in high-voltage circuits
• C. Connect all AC powered station equipment to a common safety ground
• D. Use three-wire cords and plugs for all AC powered equipment

T3A05

15. When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

• A. Increase the antenna SWR
• B. Try the long path
• C. Try to find a path that reflects signals to the repeater
• D. Change from vertical to horizontal polarization

T9A10

16. In which direction does a half-wave dipole antenna radiate the strongest signal?

• A. Equally in all directions
• B. Off the ends of the antenna
• C. Broadside to the antenna
• D. In the direction of the feed line

T7B02

17. What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

• A. The audio amplifier of the transmitter is overloaded
• B. The deviation of an FM transmitter is set too low
• C. The microphone gain of the transmitter is turned up too high
• D. The receiver is unable to reject strong signals outside the AM or FM band

T1A07

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

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

T1C07

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

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

T1D10

20. How does the FCC define broadcasting for the Amateur Radio Service?

• A. Two-way transmissions by amateur stations
• B. Transmission of messages directed only to amateur operators
• C. Transmissions intended for reception by the general public
• D. Any transmission made by the licensed station

T3C11

21. Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

• A. Radio signals move somewhat faster than the speed of light
• B. Radio waves are blocked by dust particles
• C. The atmosphere refracts radio waves slightly
• D. Radio waves are not blocked by dust particles

T5B10

22. Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

• A. -1 dB
• B. -9 dB
• C. -6 dB
• D. -3 dB

T8C09

23. Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

• A. DMR
• B. D-STAR
• C. IRLP
• D. EchoLink

T1F10

24. Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

• A. The control operator of the originating station
• B. The owner of the repeater
• C. Both the originating station and the repeater owner
• D. The control operator of the repeater

T6A07

25. What electrical component is typically constructed as a coil of wire?

• A. Diode
• B. Switch
• C. Capacitor
• D. Inductor

T2B02

26. What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

• A. Tone burst
• B. DTMF
• C. CTCSS
• D. Carrier squelch

T8A01

27. Which of the following is a form of amplitude modulation?

• A. Spread spectrum
• B. Single sideband
• C. Phase shift keying (PSK)
• D. Packet radio

T4A12

28. What is an electronic keyer?

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

T7C01

29. What is the primary purpose of a dummy load?

• A. To improve the efficiency of an antenna
• B. To improve the signal-to-noise ratio of a receiver
• C. To prevent over-modulation of a transmitter
• D. To prevent transmitting signals over the air when making tests

T1E05

30. What is an amateur station's control point?

• A. The location of the station's transmitting antenna
• B. The mailing address of the station licensee
• C. The location at which the control operator function is performed
• D. The location of the station's transmitting apparatus

T2A11

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

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

T0C12

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

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

T5C03

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

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

T5D10

34. What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

• A. 1 volt
• B. 0.25 volts
• C. 1.5 volts
• D. 2.5 volts

T4B09

35. How is a specific group of stations selected on a digital voice transceiver?

• A. By enabling the group's CTCSS tone
• B. By entering the group's identification code
• C. By activating automatic identification
• D. By retrieving the frequencies from transceiver memory