Practice Exam

T2A10

1. What is a band plan, beyond the privileges established by the FCC?

• A. A list of operating schedules
• B. A voluntary guideline for using different modes or activities within an amateur band
• C. A list of available net frequencies
• D. A plan devised by a club to indicate frequency band usage

T0A04

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

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

T9A08

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

• A. 50
• B. 19
• C. 12
• D. 112

T8B12

4. Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

• A. All these choices are correct
• B. Check your signal strength report in the telemetry data
• C. Listen for distortion on your downlink signal
• D. Your signal strength on the downlink should be about the same as the beacon

T3A08

5. What is a likely cause of irregular fading of signals propagated by the ionosphere?

• A. Frequency shift due to Faraday rotation
• B. Random combining of signals arriving via different paths
• C. Intermodulation distortion
• D. Interference from thunderstorms

T7B03

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

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

T1C05

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

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

T8D11

8. What is an ARQ transmission system?

• A. An error correction method in which the receiving station detects errors and sends a request for retransmission
• B. A special transmission format limited to video signals
• C. A method of compressing data using autonomous reiterative Q codes prior to final encoding
• D. A system used to encrypt command signals to an amateur radio satellite

T5C04

9. What is the unit of inductance?

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

T7A06

10. What device converts the RF input and output of a transceiver to another band?

• A. Phase converter
• B. Low-pass filter
• C. High-pass filter
• D. Transverter

T1F08

11. What is the definition of third party communications?

• A. Amateur radio communications where three stations are in communications with one another
• B. Operation when the transmitting equipment is licensed to a person other than the control operator
• C. Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
• D. A message from a control operator to another amateur station control operator on behalf of another person

T8A12

12. 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. Only one signal can be received at a time
• D. FM signals are harder to tune

T1D05

13. When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

• A. When selling amateur radio equipment and not on a regular basis
• B. Never
• C. When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
• D. When no profit is made on the sale

T0B05

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

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

T2B12

15. What is the purpose of the color code used on DMR repeater systems?

• A. Must match the repeater color code for access
• B. Defines the frequency pair to use
• C. Defines the minimum signal level required for access
• D. Identifies the codec used

T9B10

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

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

T4A08

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

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

T7C02

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

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

T5A08

19. Which of the following is a good electrical insulator?

• A. Aluminum
• B. Copper
• C. Glass
• D. Mercury

T6C06

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

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

T7D09

21. What is the characteristic appearance of a cold tin-lead solder joint?

• A. A rough or lumpy surface
• B. Dark black spots
• C. Excessive solder
• D. A bright or shiny surface

T1E03

22. Who must designate the station control operator?

• A. Any licensed operator
• B. The FCC
• C. The station licensee
• D. The frequency coordinator

T3B09

23. What frequency range is referred to as UHF?

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

T1B12

24. Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

• A. 500 watts
• B. 50 watts
• C. 100 watts
• D. 1500 watts

T6D10

25. What is the function of component 2 in figure T-1?

• A. Control the flow of current
• B. Give off light when current flows through it
• C. Supply electrical energy
• D. Convert electrical energy into radio waves

T6B05

26. What type of transistor has a gate, drain, and source?

• A. Tesla-effect
• B. Bipolar junction
• C. Varistor
• D. Field-effect

T0C11

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

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

T1A06

28. What is the FCC Part 97 definition of a beacon?

• A. A government transmitter marking the amateur radio band edges
• B. A bulletin sent by the FCC to announce a national emergency
• C. A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
• D. An amateur station transmitting communications for the purposes of observing propagation or related experimental activities

T8C04

29. Which of the following is good procedure when contacting another station in a contest?

• A. Contact the station twice to be sure that you are in his log
• B. Sign only the last two letters of your call if there are many other stations calling
• C. All these choices are correct
• D. Send only the minimum information needed for proper identification and the contest exchange

T2C08

30. Which of the following is a characteristic of good traffic handling?

• A. Ensuring that any newsworthy messages are relayed to the news media
• B. All these choices are correct
• C. Passing messages exactly as received
• D. Making decisions as to whether messages are worthy of relay or delivery

T3C06

31. What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

• A. F2 region refraction
• B. Faraday rotation
• C. D region refraction
• D. Tropospheric ducting

T4B03

32. How is squelch adjusted so that a weak FM signal can be heard?

• A. Turn on the anti-squelch function
• B. Turn up the audio level until it overcomes the squelch threshold
• C. Enable squelch enhancement
• D. Set the squelch threshold so that receiver output audio is on all the time

T5D03

33. What formula is used to calculate resistance in a circuit?

• A. R = E / I
• B. R = E x I
• C. R = E + I
• D. R = E - I

T6A08

34. What is the function of an SPDT switch?

• A. A single circuit is switched between one of two other circuits
• B. Two circuits are each switched between one of two other circuits
• C. A single circuit is opened or closed
• D. Two circuits are opened or closed

T5B11

35. Which decibel value represents a power increase from 20 watts to 200 watts?

• A. 18 dB
• B. 10 dB
• C. 12 dB
• D. 28 dB