Practice Exam

T0C06

1. Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

• A. By calculation based on computer modeling
• B. By calculation based on FCC OET Bulletin 65
• C. By measurement of field strength using calibrated equipment
• D. All these choices are correct

T8D06

2. What does the abbreviation "PSK" mean?

• A. Pulse Shift Keying
• B. Phased Slide Keying
• C. Packet Short Keying
• D. Phase Shift Keying

T8B12

3. Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

• A. Check your signal strength report in the telemetry data
• B. Listen for distortion on your downlink signal
• C. All these choices are correct
• D. Your signal strength on the downlink should be about the same as the beacon

T4A07

4. Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

• A. Computer "line in" to transceiver push-to-talk
• B. Computer "line out" to transceiver speaker connector
• C. Computer "line out" to transceiver push-to-talk
• D. Computer "line in" to transceiver speaker connector

T7B02

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

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

T3C03

6. What is a characteristic of VHF signals received via auroral backscatter?

• A. They are generally strongest when your antenna is aimed west
• B. They are often received from 10,000 miles or more
• C. They are distorted and signal strength varies considerably
• D. They occur only during winter nighttime hours

T8C09

7. 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. EchoLink
• C. D-STAR
• D. IRLP

T3B03

8. What are the two components of a radio wave?

• A. Voltage and current
• B. Impedance and reactance
• C. Ionizing and non-ionizing radiation
• D. Electric and magnetic fields

T5A12

9. What describes the number of times per second that an alternating current makes a complete cycle?

• A. Wavelength
• B. Pulse rate
• C. Frequency
• D. Speed

T2A08

10. What is the meaning of the procedural signal "CQ"?

• A. Test transmission, no reply expected
• B. Call on the quarter hour
• C. Calling any station
• D. Only the called station should transmit

T6B05

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

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

T3A07

12. What weather condition might decrease range at microwave frequencies?

• A. Low barometric pressure
• B. High winds
• C. Colder temperatures
• D. Precipitation

T7D06

13. Which of the following can damage a multimeter?

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

T6D06

14. What component changes 120 V AC power to a lower AC voltage for other uses?

• A. Variable capacitor
• B. Transistor
• C. Diode
• D. Transformer

T2B02

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

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

T6C12

16. Which of the following is accurately represented in electrical schematics?

• A. Component connections
• B. All these choices are correct
• C. Wire lengths
• D. Physical appearance of components

T8A09

17. What is the approximate bandwidth of a VHF repeater FM voice signal?

• A. Between 10 and 15 kHz
• B. Between 50 and 125 kHz
• C. About 150 kHz
• D. Less than 500 Hz

T5D03

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

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

T6A02

19. What type of component is often used as an adjustable volume control?

• A. Transformer
• B. Fixed resistor
• C. Potentiometer
• D. Power resistor

T0B01

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

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

T7A05

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

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

T1C01

22. For which license classes are new licenses currently available from the FCC?

• A. Technician, Technician Plus, General, Amateur Extra
• B. Novice, Technician Plus, General, Advanced
• C. Technician, General, Amateur Extra
• D. Novice, Technician, General, Amateur Extra

T9A03

23. Which of the following describes a simple dipole oriented parallel to Earth's surface?

• A. A vertically polarized antenna
• B. A travelling-wave antenna
• C. A ground-wave antenna
• D. A horizontally polarized antenna

T9B12

24. What is standing wave ratio (SWR)?

• A. The ratio of amplifier power output to input
• B. An indication of the quality of your station's ground connection
• C. The transmitter efficiency ratio
• D. A measure of how well a load is matched to a transmission line

T1A08

25. Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

• A. International Telecommunication Union
• B. FCC Regional Field Office
• C. Frequency Spectrum Manager appointed by the FCC
• D. Volunteer Frequency Coordinator recognized by local amateurs

T0A07

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

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

T5B06

27. Which is equal to 3000 milliamperes?

• A. 3,000,000 amperes
• B. 0.003 amperes
• C. 0.3 amperes
• D. 3 amperes

T2C03

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

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

T1B01

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

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

T5C06

30. What does the abbreviation "RF" mean?

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

T1D09

31. When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

• A. Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
• B. When such communications are directly related to the immediate safety of human life or protection of property
• C. When broadcasting communications to or from the space shuttle
• D. Never

T7C10

32. 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 and RF signals can mix, causing interference
• D. Ultraviolet light can damage the jacket and allow water to enter the cable

T1F10

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

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

T4B12

34. What is the result of tuning an FM receiver above or below a signal's frequency?

• A. Generation of a heterodyne tone
• B. Change in audio pitch
• C. Sideband inversion
• D. Distortion of the signal's audio

T1E01

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

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