Practice Exam

T4A05

1. Where should an RF power meter be installed?

• A. In the power supply cable, as close as possible to the radio
• B. In the feed line, between the transmitter and antenna
• C. At the power supply output
• D. In parallel with the push-to-talk line and the antenna

T7B06

2. Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?

• A. Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
• B. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
• C. All these choices are correct
• D. Immediately turn off your transmitter and contact the nearest FCC office for assistance

T6D03

3. Which of the following is a reason to use shielded wire?

• A. To prevent coupling of unwanted signals to or from the wire
• B. To couple the wire to other signals
• C. To increase the current carrying capability of the wire
• D. To decrease the resistance of DC power connections

T1E04

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

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

T8B02

5. What is the impact of using excessive effective radiated power on a satellite uplink?

• A. Possibility of rebooting the satellite control computer
• B. Blocking access by other users
• C. Overloading the satellite batteries
• D. Possibility of commanding the satellite to an improper mode

T8C10

6. 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

T4B11

7. Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

• A. All these choices are correct
• B. Your call sign
• C. The codec type being used
• D. Your output power

T9A06

8. Which of the following types of antenna offers the greatest gain?

• A. J pole
• B. Isotropic
• C. 5/8 wave vertical
• D. Yagi

T0B02

9. What is required when climbing an antenna tower?

• A. All these choices are correct
• B. Use appropriate tie-off to the tower at all times
• C. Have sufficient training on safe tower climbing techniques
• D. Always wear an approved climbing harness

T1B11

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

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

T1D10

11. How does the FCC define broadcasting for the Amateur Radio Service?

• A. Transmissions intended for reception by the general public
• B. Two-way transmissions by amateur stations
• C. Any transmission made by the licensed station
• D. Transmission of messages directed only to amateur operators

T6B01

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

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

T3A12

13. What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

• A. Deflection
• B. Range increase
• C. There is little effect
• D. Absorption

T7C02

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

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

T1F09

15. What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

• A. Message forwarding station
• B. Beacon station
• C. Repeater station
• D. Earth station

T5D07

16. What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

• A. 1.5 amperes
• B. 9600 amperes
• C. 200 amperes
• D. 0.667 amperes

T5C06

17. What does the abbreviation "RF" mean?

• A. The resonant frequency of a tuned circuit
• B. The real frequency transmitted as opposed to the apparent frequency
• C. Reflective force in antenna transmission lines
• D. Radio frequency signals of all types

T0C07

18. What hazard is created by touching an antenna during a transmission?

• A. Electrocution
• B. Radiation poisoning
• C. All these choices are correct
• D. RF burn to skin

T8A06

19. Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

• A. Lower sideband
• B. Inverted sideband
• C. Upper sideband
• D. Suppressed sideband

T9B11

20. Which of the following types of feed line has the lowest loss at VHF and UHF?

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

T7A11

21. Where is an RF preamplifier installed?

• A. Between the antenna and receiver
• B. At the output of the receiver audio amplifier
• C. Between the transmitter and the antenna tuner
• D. At the output of the transmitter power amplifier

T6C08

22. What is component 9 in figure T-2?

• A. Variable transformer
• B. Variable resistor
• C. Variable capacitor
• D. Variable inductor

T5A04

23. What are the units of electrical resistance?

• A. Coulombs
• B. Mhos
• C. Ohms
• D. Siemens

T1A06

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

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

T5B05

25. Which is equal to 500 milliwatts?

• A. 5 watts
• B. 0.02 watts
• C. 0.5 watts
• D. 50 watts

T0A01

26. Which of the following is a safety hazard of a 12-volt storage battery?

• A. Touching both terminals with the hands can cause electrical shock
• B. RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
• C. All these choices are correct
• D. Shorting the terminals can cause burns, fire, or an explosion

T7D03

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

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

T2C02

28. Which of the following are typical duties of a Net Control Station?

• A. Ensure that all stations checking into the net are properly licensed for operation on the net frequency
• B. Choose the regular net meeting time and frequency
• C. All these choices are correct
• D. Call the net to order and direct communications between stations checking in

T2A06

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

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

T8D13

30. What is FT8?

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

T3B09

31. What frequency range is referred to as UHF?

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

T3C06

32. 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. D region refraction
• D. F2 region refraction

T6A02

33. What type of component is often used as an adjustable volume control?

• A. Transformer
• B. Power resistor
• C. Potentiometer
• D. Fixed resistor

T2B04

34. Which of the following could be the reason you are unable to access a repeater whose output you can hear?

• A. You are using the wrong CTCSS tone
• B. All these choices are correct
• C. Improper transceiver offset
• D. You are using the wrong DCS code

T1C10

35. How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

• A. As soon as your operator/station license grant appears in the FCC's license database
• B. As soon as you receive your license in the mail from the FCC
• C. Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
• D. As soon as your operator/station license grant appears on the ARRL website