Practice Exam

T5D13

1. In which type of circuit is DC current the same through all components?

• A. Branch
• B. Parallel
• C. Resonant
• D. Series

T6C09

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

• A. Double-pole switch
• B. Transformer
• C. Variable inductor
• D. Potentiometer

T0C09

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

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

T0A10

4. What hazard is caused by charging or discharging a battery too quickly?

• A. Half-wave rectification
• B. Inverse memory effect
• C. Excess output ripple
• D. Overheating or out-gassing

T5A01

5. Electrical current is measured in which of the following units?

• A. Volts
• B. Watts
• C. Ohms
• D. Amperes

T6A05

6. What type of electrical component consists of conductive surfaces separated by an insulator?

• A. Oscillator
• B. Capacitor
• C. Resistor
• D. Potentiometer

T8C06

7. How is over the air access to IRLP nodes accomplished?

• A. By obtaining a password that is sent via voice to the node
• B. By entering the proper internet password
• C. By using DTMF signals
• D. By using CTCSS tone codes

T6B10

8. Which of the following can provide power gain?

• A. Transistor
• B. Reactor
• C. Resistor
• D. Transformer

T1B01

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

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

T3C11

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

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

T5C12

11. What is impedance?

• A. The inverse of resistance
• B. The opposition to AC current flow
• C. The power handling capability of a component
• D. The Q or Quality Factor of a component

T7B05

12. How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

• A. Switch the transmitter to a narrow-band mode
• B. Switch the transmitter from FM to SSB
• C. Block the amateur signal with a filter at the antenna input of the affected receiver
• D. Block the interfering signal with a filter on the amateur transmitter

T1C05

13. Which of the following is a valid Technician class call sign format?

• A. All these choices are correct
• B. KF1XXX
• C. KA1X
• D. W1XX

T7C04

14. What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

• A. 1:1
• B. 50:50
• C. Zero
• D. Full Scale

T9A03

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

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

T7D11

16. Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

• A. Ensure that the circuit is grounded
• B. Ensure that the circuit is operating at the correct frequency
• C. Ensure that the circuit is not powered
• D. Ensure that the applied voltages are correct

T4A04

17. How are the transceiver audio input and output connected in a station configured to operate using FT8?

• A. To a computer running a terminal program and connected to a terminal node controller unit
• B. To a computer connected to the FT8converter.com website
• C. To an FT8 conversion unit, a keyboard, and a computer monitor
• D. To the audio input and output of a computer running WSJT-X software

T1F04

18. What language may you use for identification when operating in a phone sub-band?

• A. English
• B. Any language recognized by the United Nations
• C. Any language recognized by the ITU
• D. English, French, or Spanish

T9B11

19. Which of the following types of feed line has the lowest loss at VHF and UHF?

• A. 50-ohm flexible coax
• B. 75-ohm flexible coax
• C. Air-insulated hardline
• D. Multi-conductor unbalanced cable

T3A10

20. What effect does multi-path propagation have on data transmissions?

• A. Error rates are likely to increase
• B. No significant changes will occur if the signals are transmitted using FM
• C. Transmission rates must be decreased by a factor equal to the number of separate paths observed
• D. Transmission rates must be increased by a factor equal to the number of separate paths observed

T2A07

21. What is meant by "repeater offset"?

• A. The number of simultaneous transmit frequencies used by a repeater
• B. The repeater station identification is done on a separate frequency
• C. The difference between a repeater's transmit and receive frequencies
• D. The repeater has a time delay to prevent interference

T6D05

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

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

T1A02

23. Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

• A. FEMA
• B. The FCC
• C. All these choices are correct
• D. Homeland Security

T2C03

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

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

T1D09

25. 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. Never
• C. When such communications are directly related to the immediate safety of human life or protection of property
• D. When broadcasting communications to or from the space shuttle

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

T0B03

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

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

T5B07

28. Which is equal to 3.525 MHz?

• A. 3525 kHz
• B. 3,525,000 kHz
• C. 35.25 kHz
• D. 0.003525 kHz

T8B02

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

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

T8D03

30. What kind of data can be transmitted by APRS?

• A. GPS position data
• B. All these choices are correct
• C. Weather data
• D. Text messages

T4B04

31. What is a way to enable quick access to a favorite frequency or channel on your transceiver?

• A. Enable the VOX
• B. Enable the frequency offset
• C. Use the scan mode to select the desired frequency
• D. Store it in a memory channel

T8A12

32. 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

T3B01

33. What is the relationship between the electric and magnetic fields of an electromagnetic wave?

• A. They revolve in opposite directions
• B. They are at right angles
• C. They travel at different speeds
• D. They are in parallel

T7A04

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

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

T1E07

35. When the control operator is not the station licensee, who is responsible for the proper operation of the station?

• A. All licensed amateurs who are present at the operation
• B. The control operator and the station licensee
• C. Only the control operator
• D. Only the station licensee