Practice Exam

T5B04

1. Which is equal to one microvolt?

• A. One thousand kilovolts
• B. One one-millionth of a volt
• C. One one-thousandth of a volt
• D. One million volts

T6D03

2. Which of the following is a reason to use shielded wire?

• A. To prevent coupling of unwanted signals to or from the wire
• B. To increase the current carrying capability of the wire
• C. To decrease the resistance of DC power connections
• D. To couple the wire to other signals

T6C12

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

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

T4B09

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

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

T1A07

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

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

T7B06

6. Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?

• A. Immediately turn off your transmitter and contact the nearest FCC office for assistance
• B. Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
• C. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
• D. All these choices are correct

T2B05

7. What would cause your FM transmission audio to be distorted on voice peaks?

• A. Your transmit power is too high
• B. You need to talk louder
• C. You are talking too loudly
• D. Your repeater offset is inverted

T8D10

8. Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

• A. Meteor scatter
• B. Earth-Moon-Earth
• C. All these choices are correct
• D. Weak signal propagation beacons

T8C08

9. What is the Internet Radio Linking Project (IRLP)?

• A. A technique for measuring signal strength of an amateur transmitter via the internet
• B. A system for providing access to websites via amateur radio
• C. A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
• D. A system for informing amateurs in real time of the frequency of active DX stations

T1B01

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

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

T0A12

11. Which of the following precautions should be taken when measuring high voltages with a voltmeter?

• A. Ensure that the voltmeter has very low impedance
• B. Ensure that the voltmeter is set to the correct frequency
• C. Ensure that the voltmeter and leads are rated for use at the voltages to be measured
• D. Ensure that the circuit is grounded through the voltmeter

T8A09

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

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

T9A08

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

• A. 112
• B. 12
• C. 50
• D. 19

T1D08

14. In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

• A. When the communication is made to obtain emergency information for a local broadcast station
• B. All these choices are correct
• C. When the communication is incidental to classroom instruction at an educational institution
• D. When the communication is related to the sale of amateur equipment by the control operator's employer

T5A07

15. Why are metals generally good conductors of electricity?

• A. They have relatively high density
• B. They have many free protons
• C. All these choices are correct
• D. They have many free electrons

T1F09

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

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

T1C02

17. Who may select a desired call sign under the vanity call sign rules?

• A. Any licensed amateur
• B. Only a licensed amateur who has been licensed continuously for more than 10 years
• C. Only a licensed amateur with an Amateur Extra Class license
• D. Only a licensed amateur with a General or Amateur Extra Class license

T0C11

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

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

T6A01

19. What electrical component opposes the flow of current in a DC circuit?

• A. Inverter
• B. Inductor
• C. Resistor
• D. Transformer

T7C02

20. Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

• A. A Q meter
• B. A VTVM
• C. A frequency counter
• D. An antenna analyzer

T9B07

21. Which of the following is true of PL-259 type coax connectors?

• A. They are watertight
• B. They are a bayonet-type connector
• C. They are preferred for microwave operation
• D. They are commonly used at HF and VHF frequencies

T4A01

22. Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

• A. 24.0 volts at 4 amperes
• B. 13.8 volts at 12 amperes
• C. 24.0 volts at 12 amperes
• D. 13.8 volts at 4 amperes

T0B11

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

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

T7D10

24. What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

• A. Alternating between open and short circuit
• B. Decreasing resistance with time
• C. Steady full-scale reading
• D. Increasing resistance with time

T2A08

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

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

T5C03

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

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

T3C07

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

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

T1E07

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

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

T3B10

29. What frequency range is referred to as HF?

• A. 300 to 3000 kHz
• B. 300 to 3000 MHz
• C. 30 to 300 MHz
• D. 3 to 30 MHz

T2C09

30. Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

• A. Yes, but only in situations involving the immediate safety of human life or protection of property
• B. Yes, but only when part of a FEMA emergency plan
• C. Yes, but only when part of a RACES emergency plan
• D. No

T7A10

31. What device increases the transmitted output power from a transceiver?

• A. An impedance network
• B. An RF power amplifier
• C. All these choices are correct
• D. A voltage divider

T8B09

32. What causes spin fading of satellite signals?

• A. Circular polarized noise interference radiated from the sun
• B. Interfering signals within the satellite uplink band
• C. Doppler shift of the received signal
• D. Rotation of the satellite and its antennas

T5D09

33. What is the current through a 24-ohm resistor connected across 240 volts?

• A. 0.1 amperes
• B. 10 amperes
• C. 24,000 amperes
• D. 216 amperes

T3A09

34. Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

• A. FM voice is unusable
• B. Both the transmitting and receiving antennas must be of the same polarization
• C. Digital modes are unusable
• D. Either vertically or horizontally polarized antennas may be used for transmission or reception

T6B04

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

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