Practice Exam

T4B01

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

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

T6C05

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

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

T1A08

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

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

T6B08

4. What does the abbreviation FET stand for?

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

T8A05

5. Which of the following types of signal has the narrowest bandwidth?

• A. CW
• B. Slow-scan TV
• C. SSB voice
• D. FM voice

T6A06

6. What type of electrical component stores energy in a magnetic field?

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

T5C04

7. What is the unit of inductance?

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

T0A10

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

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

T2A07

9. What is meant by "repeater offset"?

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

T5B13

10. Which is equal to 2425 MHz?

• A. 2.425 GHz
• B. 2425 GHz
• C. 24.25 GHz
• D. 0.002425 GHz

T7A08

11. Which of the following describes combining speech with an RF carrier signal?

• A. Modulation
• B. Low-pass filtering
• C. Impedance matching
• D. Oscillation

T1D08

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

T8C10

13. What is required before using the EchoLink system?

• A. Purchase a license to use the EchoLink software
• B. Complete the required EchoLink training
• C. All these choices are correct
• D. Register your call sign and provide proof of license

T7C02

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

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

T1B09

15. Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

• A. All these choices are correct
• B. So that modulation sidebands do not extend beyond the band edge
• C. To allow for calibration error in the transmitter frequency display
• D. To allow for transmitter frequency drift

T0B11

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

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

T8B09

17. What causes spin fading of satellite signals?

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

T1F06

18. Which of the following self-assigned indicators are acceptable when using a phone transmission?

• A. KL7CC slant W3
• B. KL7CC stroke W3
• C. KL7CC slash W3
• D. All these choices are correct

T9A12

19. What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

• A. It eliminates distortion caused by reflected signals
• B. It has more gain than a 1/4-wavelength antenna
• C. It radiates at a very high angle
• D. It has 10 times the power gain of a 1/4 wavelength whip

T1E06

20. When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

• A. As part of a multi-operator contest team
• B. When using a club station whose trustee holds an Amateur Extra Class license
• C. When designated as the control operator by an Amateur Extra Class licensee
• D. At no time

T0C09

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

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

T3A02

22. What is the effect of vegetation on UHF and microwave signals?

• A. Absorption
• B. Polarization rotation
• C. Knife-edge diffraction
• D. Amplification

T1C01

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

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

T7D11

24. 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 applied voltages are correct
• D. Ensure that the circuit is not powered

T7B05

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

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

T2B11

26. Which Q signal indicates that you are changing frequency?

• A. QRU
• B. QSL
• C. QSY
• D. QRZ

T2C04

27. What is RACES?

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

T5A01

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

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

T8D01

29. Which of the following is a digital communications mode?

• A. Packet radio
• B. FT8
• C. All these choices are correct
• D. IEEE 802.11

T3C05

30. Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

• A. Doppler shift
• B. Quantum tunneling
• C. Faraday rotation
• D. Knife-edge diffraction

T5D13

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

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

T3B09

32. What frequency range is referred to as UHF?

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

T6D02

33. What is a relay?

• A. A current controlled amplifier
• B. An inverting amplifier
• C. An electrically-controlled switch
• D. A pass transistor

T9B05

34. What happens as the frequency of a signal in coaxial cable is increased?

• A. The characteristic impedance increases
• B. The loss decreases
• C. The loss increases
• D. The characteristic impedance decreases

T4A08

35. Which of the following conductors is preferred for bonding at RF?

• A. Flat copper strap
• B. Copper braid removed from coaxial cable
• C. Twisted-pair cable
• D. Steel wire