Practice Exam

T6C06

1. What is component 6 in figure T-2?

• A. Transistor
• B. Capacitor
• C. Regulator IC
• D. Resistor

T7B03

2. Which of the following can cause radio frequency interference?

• A. All these choices are correct
• B. Harmonics
• C. Spurious emissions
• D. Fundamental overload

T0A03

3. In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

• A. Hot
• B. Black insulation is never used
• C. Neutral
• D. Equipment ground

T0B07

4. Which of the following is an important safety rule to remember when using a crank-up tower?

• A. This type of tower must never be grounded
• B. This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
• C. This type of tower must never be painted
• D. All these choices are correct

T1A09

5. Who selects a Frequency Coordinator?

• A. The local chapter of the Office of National Council of Independent Frequency Coordinators
• B. FCC Regional Field Office
• C. The FCC Office of Spectrum Management and Coordination Policy
• D. Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations

T9B10

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

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

T7A04

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

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

T3A10

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

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

T6B10

9. Which of the following can provide power gain?

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

T2A03

10. What is a common repeater frequency offset in the 70 cm band?

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

T6D08

11. Which of the following is combined with an inductor to make a resonant circuit?

• A. Zener diode
• B. Capacitor
• C. Potentiometer
• D. Resistor

T1D06

12. What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

• A. The ITU maintains a list of words that are not permitted to be used on amateur frequencies
• B. There is no such prohibition
• C. The FCC maintains a list of words that are not permitted to be used on amateur frequencies
• D. Any such language is prohibited

T1F02

13. How often must you identify with your FCC-assigned call sign when using tactical call signs such as "Race Headquarters"?

• A. At the end of every transmission
• B. At the end of each communication and every ten minutes during a communication
• C. Never, the tactical call is sufficient
• D. Once during every hour

T0C05

14. Why do exposure limits vary with frequency?

• A. Lower frequency RF fields do not penetrate the human body
• B. Lower frequency RF fields have more energy than higher frequency fields
• C. Higher frequency RF fields are transient in nature
• D. The human body absorbs more RF energy at some frequencies than at others

T3C04

15. Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

• A. Backscatter
• B. D region absorption
• C. Sporadic E
• D. Gray-line propagation

T8B08

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

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

T1B03

17. Which frequency is in the 6 meter amateur band?

• A. 52.525 MHz
• B. 222.15 MHz
• C. 28.50 MHz
• D. 49.00 MHz

T8D13

18. What is FT8?

• A. A digital mode capable of low signal-to-noise operation
• B. A wideband FM voice mode
• C. A digital slow-scan TV mode with forward error correction and automatic color compensation
• D. An eight channel multiplex mode for FM repeaters

T5C01

19. What describes the ability to store energy in an electric field?

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

T1C04

20. What may happen if the FCC is unable to reach you by email?

• A. Fine and suspension of operator license
• B. Nothing; there is no such requirement
• C. Revocation of the station license or suspension of the operator license
• D. Revocation of access to the license record in the FCC system

T5D05

21. What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

• A. 8 ohms
• B. 18 ohms
• C. 13.5 ohms
• D. 0.125 ohms

T9A10

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

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

T4B05

23. What does the scanning function of an FM transceiver do?

• A. Prevents interference to nearby repeaters
• B. Tunes through a range of frequencies to check for activity
• C. Checks for messages left on a digital bulletin board
• D. Checks incoming signal deviation

T8A11

24. What is the approximate bandwidth required to transmit a CW signal?

• A. 15 kHz
• B. 150 Hz
• C. 1000 Hz
• D. 2.4 kHz

T6A09

25. What electrical component is used to protect other circuit components from current overloads?

• A. Varactor
• B. Thyratron
• C. Fuse
• D. All these choices are correct

T2B10

26. Which Q signal indicates that you are receiving interference from other stations?

• A. QRN
• B. QRM
• C. QTH
• D. QSB

T1E01

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

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

T5B09

28. Which decibel value most closely represents a power increase from 5 watts to 10 watts?

• A. 5 dB
• B. 3 dB
• C. 2 dB
• D. 10 dB

T5A12

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

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

T3B05

30. What is the relationship between wavelength and frequency?

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

T7D03

31. When configured to measure current, how is a multimeter connected to a component?

• A. In phase
• B. In quadrature
• C. In series
• D. In parallel

T4A04

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

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

T8C11

33. What is an amateur radio station that connects other amateur stations to the internet?

• A. A gateway
• B. A beacon
• C. A repeater
• D. A digipeater

T2C06

34. What is the Amateur Radio Emergency Service (ARES)?

• A. A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
• B. A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
• C. A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
• D. A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service

T7C07

35. 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