Practice Exam

T6D08

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

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

T7A02

2. What is a transceiver?

• A. A device for converting receiver and transmitter frequencies to another band
• B. A device for automatically sending and decoding Morse code
• C. A device for matching feed line impedance to 50 ohms
• D. A device that combines a receiver and transmitter

T7C08

3. Which instrument can be used to determine SWR?

• A. Iambic pentameter
• B. Ohmmeter
• C. Voltmeter
• D. Directional wattmeter

T7D11

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

T1F10

5. Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

• A. Both the originating station and the repeater owner
• B. The owner of the repeater
• C. The control operator of the originating station
• D. The control operator of the repeater

T5A02

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

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

T1A05

7. What proves that the FCC has issued an operator/primary license grant?

• A. A printed copy of the certificate of successful completion of examination
• B. All these choices are correct
• C. An email notification from the NCVEC granting the license
• D. The license appears in the FCC ULS database

T1E02

8. Who may be the control operator of a station communicating through an amateur satellite or space station?

• A. Any amateur allowed to transmit on the satellite uplink frequency
• B. Only an Amateur Extra Class operator who is also an AMSAT member
• C. Only an Amateur Extra Class operator
• D. A General class or higher licensee with a satellite operator certification

T6A04

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

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

T8C05

10. What is a grid locator?

• A. An instrument for locating faults in power amplifiers
• B. A letter-number designator assigned to an azimuth and elevation
• C. A letter-number designator assigned to a geographic location
• D. An instrument for radio direction finding

T5D13

11. In which type of circuit is the current always the same through all components?

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

T3B08

12. What frequency range is referred to as VHF?

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

T0B05

13. What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

• A. Prevent loosening of the turnbuckle from vibration
• B. Secure the guy line if the turnbuckle breaks
• C. Provide a ground path for lightning strikes
• D. Provide an ability to measure for proper tensioning

T8B09

14. What causes spin fading of satellite signals?

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

T7B03

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

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

T9A10

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

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

T8A12

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

• A. FM signals are harder to tune
• B. FM signals are more susceptible to high SWR
• C. Only one signal can be received at a time
• D. Voice quality is poorer

T1D12

18. Which of the following is required when making on-the-air test transmissions?

• A. Notify the FCC of the transmissions
• B. Conduct tests only between 10 p.m. and 6 a.m. local time
• C. All these choices are correct
• D. Identify the transmitting station

T5C04

19. What is the unit of inductance?

• A. Farad
• B. Ohm
• C. Coulomb
• D. Henry

T3A03

20. What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

• A. Right-hand circular
• B. Vertical
• C. Left-hand circular
• D. Horizontal

T6C07

21. What is component 8 in figure T-2?

• A. Inductor
• B. Regulator IC
• C. Light emitting diode
• D. Resistor

T1B03

22. Which frequency is in the 6-meter amateur band?

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

T3C02

23. What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

• A. Long-distance ionospheric propagation is far more common on HF
• B. HF antennas are generally smaller
• C. HF accommodates wider bandwidth signals
• D. There is less atmospheric interference (static) on HF

T5B12

24. Which is equal to 28400 kHz?

• A. 28.400 MHz
• B. 2.800 MHz
• C. 284.00 MHz
• D. 28.400 kHz

T2B01

25. What is the purpose of the reverse function on a VHF/UHF transceiver?

• A. To reduce power output
• B. To listen on a repeater's input frequency
• C. To increase power output
• D. To listen on a repeater's output frequency

T8D07

26. Which of the following describes DMR?

• A. A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
• B. An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
• C. A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
• D. An automatic position tracking mode for FM mobiles communicating through repeaters

T2C05

27. What does the term "traffic" refer to in net operation?

• A. The number of stations checking in and out of a net
• B. Formal messages exchanged by net stations
• C. Operation by mobile or portable stations
• D. A count of the number of activations of the net each month

T6B01

28. Which is true about forward voltage drop in a diode?

• A. It is proportional to peak inverse voltage
• B. It is lower in some diode types than in others
• C. It has no impact on the voltage delivered to the load
• D. It indicates that the diode is defective

T9B11

29. Which of the following types of feed line has the lowest loss?

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

T4B09

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

• A. By enabling the group's CTCSS tone
• B. By entering the group's identification code
• C. By inserting a five-pin, pre-programmed code plug
• D. By retrieving the frequencies from transceiver memory

T0A04

31. What is the purpose of a fuse in an electrical circuit?

• A. To remove power in case of an overload
• B. To prevent power supply ripple from damaging a component
• C. To limit current and prevent shocks
• D. All these choices are correct

T4A12

32. What is an electronic keyer?

• A. A device for switching antennas from transmit to receive
• B. A device that assists in manual sending of Morse code
• C. A device for voice activated switching from receive to transmit
• D. An interlock to prevent unauthorized use of a radio

T1C03

33. What types of international communications are FCC-licensed amateur radio stations permitted to make?

• A. Only communications incidental to contest exchanges; all other communications are prohibited
• B. Communications incidental to conducting business or remarks of a personal nature
• C. Any communications that would be permitted by an international broadcast station
• D. Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character

T0C13

34. Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

• A. Anyone who is near an antenna
• B. The FCC
• C. The local zoning board
• D. The station licensee

T2A07

35. What does the term "repeater offset" mean?

• A. The difference between a repeater's transmit and receive frequencies
• B. The repeater has a time delay to prevent interference
• C. The approximately half-second delay to allow for the "squelch tail" to be removed
• D. The fee charged by the repeater owner or club to provide for maintenance