Practice Exam

T3A06

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

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

T9A04

2. What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

• A. It transmits only circularly polarized signals
• B. All these choices are correct
• C. It has low efficiency
• D. It is mechanically fragile

T0B03

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

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

T1A04

4. How many operator/primary station license grants may be held by any one person?

• A. One for each permanent station location from which the person plans to operate
• B. One for each band on which the person plans to operate
• C. One
• D. No more than two

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

T2A01

6. What is a common repeater frequency offset in the 2 meter band?

• A. Plus or minus 1 MHz
• B. Plus or minus 5 MHz
• C. Plus or minus 500 kHz
• D. Plus or minus 600 kHz

T1F09

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

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

T9B10

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

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

T0C09

9. How can you make sure your station stays in compliance with RF safety regulations?

• A. By making sure your antennas have low SWR
• B. All these choices are correct
• C. By informing the FCC of any changes made in your station
• D. By re-evaluating the station whenever an item in the transmitter or antenna system is changed

T1E05

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

• A. The location of the station's transmitting apparatus
• 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 antenna

T8C03

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

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

T5C04

12. What is the unit of inductance?

• A. The farad
• B. The henry
• C. The ohm
• D. The coulomb

T8B12

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

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

T8D11

14. What is an ARQ transmission system?

• A. A system used to encrypt command signals to an amateur radio satellite
• B. A method of compressing data using autonomous reiterative Q codes prior to final encoding
• C. A special transmission format limited to video signals
• D. An error correction method in which the receiving station detects errors and sends a request for retransmission

T4A05

15. Where should an RF power meter be installed?

• A. In the power supply cable, as close as possible to the radio
• B. In the feed line, between the transmitter and antenna
• C. At the power supply output
• D. In parallel with the push-to-talk line and the antenna

T6C05

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

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

T1B06

17. On which HF bands does a Technician class operator have phone privileges?

• A. 10 meter band only
• B. 80 meter, 40 meter, 15 meter, and 10 meter bands
• C. None
• D. 30 meter band only

T1C08

18. What is the normal term for an FCC-issued amateur radio license?

• A. Eight years
• B. Ten years
• C. Life
• D. Five years

T1D10

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

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

T5D01

20. 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

T2B03

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

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

T3B08

22. What frequency range is referred to as VHF?

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

T5B08

23. Which is equal to 1,000,000 picofarads?

• A. 1 microfarad
• B. 1,000,000,000 microfarads
• C. 0.001 microfarads
• D. 1000 microfarads

T6B08

24. What does the abbreviation FET stand for?

• A. Fast Electron Transistor
• B. Free Electron Transmitter
• C. Field Effect Transistor
• D. Frequency Emission Transmitter

T7D01

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

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

T6D06

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

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

T2C04

27. What is RACES?

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

T4B01

28. What is the effect of excessive microphone gain on SSB transmissions?

• A. Distorted transmitted audio
• B. Increased SWR
• C. All these choices are correct
• D. Frequency instability

T3C08

29. What causes tropospheric ducting?

• A. Sunspots and solar flares
• B. Discharges of lightning during electrical storms
• C. Updrafts from hurricanes and tornadoes
• D. Temperature inversions in the atmosphere

T5A02

30. Electrical power is measured in which of the following units?

• A. Amperes
• B. Watts
• C. Volts
• D. Watt-hours

T6A04

31. What electrical component stores energy in an electric field?

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

T7C07

32. What happens to power lost in a feed line?

• A. It increases the SWR
• B. It is converted into heat
• C. It distorts the signal
• D. It is radiated as harmonics

T8A12

33. Which of the following is a disadvantage of FM compared with single sideband?

• A. Voice quality is poorer
• B. All these choices are correct
• C. FM signals are harder to tune
• D. Only one signal can be received at a time

T7A04

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

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

T0A02

35. What health hazard is presented by electrical current flowing through the body?

• A. It may disrupt the electrical functions of cells
• B. It may cause injury by heating tissue
• C. All these choices are correct
• D. It may cause involuntary muscle contractions