Practice Exam

T4A02

1. Which of the following should be considered when selecting an accessory SWR meter?

• A. All these choices are correct
• B. The frequency and power level at which the measurements will be made
• C. The distance that the meter will be located from the antenna
• D. The types of modulation being used at the station

T5D10

2. What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

• A. 1.5 volts
• B. 0.25 volts
• C. 1 volt
• D. 2.5 volts

T7B08

3. What should you do if something in a neighbor's home is causing harmful interference to your amateur station?

• A. Work with your neighbor to identify the offending device
• B. Make sure your station meets the standards of good amateur practice
• C. All these choices are correct
• D. Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference

T1B11

4. What is the maximum peak envelope power output for Technician class operators in their HF band segments?

• A. 100 watts
• B. 50 watts
• C. 200 watts
• D. 10 watts

T5C07

5. What is the abbreviation for megahertz?

• A. mh
• B. Mhz
• C. MHz
• D. MH

T1F10

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

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

T6A04

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

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

T6C06

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

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

T5A12

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

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

T8B12

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

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

T3A09

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

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

T3C06

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

T1D03

13. When is it permissible to transmit messages encoded to obscure their meaning?

• A. Only during contests
• B. Never
• C. Only when transmitting certain approved digital codes
• D. Only when transmitting control commands to space stations or radio control craft

T2B02

14. What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

• A. CTCSS
• B. DTMF
• C. Carrier squelch
• D. Tone burst

T7A10

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

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

T4B05

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

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

T8D09

17. What is CW?

• A. A technique for coil winding
• B. A digital mode used primarily on 2 meter FM
• C. A type of electromagnetic propagation
• D. Another name for a Morse code transmission

T6D06

18. What component changes 120 V AC power to a lower AC voltage for other uses?

• A. Transformer
• B. Transistor
• C. Diode
• D. Variable capacitor

T2C10

19. What information is contained in the preamble of a formal traffic message?

• A. The address of the intended recipient
• B. Information needed to track the message
• C. The telephone number of the addressee
• D. The email address of the originating station

T9B09

20. What can cause erratic changes in SWR?

• A. Loose connection in the antenna or feed line
• B. Over-modulation
• C. Overload from a strong local station
• D. Local thunderstorm

T9A12

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

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

T2A01

22. What is a common repeater frequency offset in the 2 meter band?

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

T1C03

23. What types of international communications are an FCC-licensed amateur radio station permitted to make?

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

T1A03

24. What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

• A. It is required when transmitting emergency messages
• B. It is required when in contact with foreign stations
• C. All these choices are correct
• D. It is encouraged

T5B01

25. How many milliamperes is 1.5 amperes?

• A. 15,000 milliamperes
• B. 15 milliamperes
• C. 150 milliamperes
• D. 1500 milliamperes

T0A10

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

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

T7C06

27. What does an SWR reading of 4:1 indicate?

• A. Gain of +4 dB
• B. Good impedance match
• C. Impedance mismatch
• D. Loss of -4 dB

T8A12

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

• A. Voice quality is poorer
• B. FM signals are harder to tune
• C. Only one signal can be received at a time
• D. All these choices are correct

T6B05

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

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

T3B06

30. What is the formula for converting frequency to approximate wavelength in meters?

• A. Wavelength in meters equals frequency in hertz multiplied by 300
• B. Wavelength in meters equals frequency in megahertz divided by 300
• C. Wavelength in meters equals frequency in hertz divided by 300
• D. Wavelength in meters equals 300 divided by frequency in megahertz

T8C08

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

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

T7D10

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

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

T0B11

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

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

T1E04

34. What determines the transmitting frequency privileges of an amateur station?

• A. The frequency authorized by the frequency coordinator
• B. The highest class of operator license held by anyone on the premises
• C. The frequencies printed on the license grant
• D. The class of operator license held by the control operator

T0C10

35. Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

• A. It affects the average exposure to radiation
• B. It takes into account the antenna feed line loss
• C. It affects the peak exposure to radiation
• D. It takes into account the thermal effects of the final amplifier