Practice Exam

T3B05

1. What is the relationship between wavelength and frequency?

• A. Wavelength gets shorter as frequency increases
• B. Wavelength gets longer as frequency increases
• C. Wavelength and frequency are unrelated
• D. Wavelength and frequency increase as path length increases

T7C10

2. Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

• A. Ultraviolet light can damage the jacket and allow water to enter the cable
• B. Ultraviolet resistant jackets prevent harmonic radiation
• C. Ultraviolet and RF signals can mix, causing interference
• D. Ultraviolet light can increase losses in the cable's jacket

T2C02

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

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

T4B02

4. Which of the following can be used to enter a transceiver's operating frequency?

• A. The CTCSS or DTMF encoder
• B. All these choices are correct
• C. The Automatic Frequency Control
• D. The keypad or VFO knob

T7A11

5. Where is an RF preamplifier installed?

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

T5C06

6. What does the abbreviation "RF" mean?

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

T8B07

7. What is Doppler shift in reference to satellite communications?

• A. A mode where the satellite receives signals on one band and transmits on another
• B. A special digital communications mode for some satellites
• C. A change in the satellite orbit
• D. An observed change in signal frequency caused by relative motion between the satellite and Earth station

T8C02

8. Which of these items would be useful for a hidden transmitter hunt?

• A. All these choices are correct
• B. A calibrated noise bridge
• C. A directional antenna
• D. Calibrated SWR meter

T4A12

9. What is an electronic keyer?

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

T7D07

10. Which of the following measurements are made using a multimeter?

• A. Voltage and resistance
• B. All these choices are correct
• C. Signal strength and noise
• D. Impedance and reactance

T5B06

11. Which is equal to 3000 milliamperes?

• A. 3 amperes
• B. 3,000,000 amperes
• C. 0.003 amperes
• D. 0.3 amperes

T0C09

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

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

T1C10

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

T1E03

14. Who must designate the station control operator?

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

T2B07

15. How can you join a digital repeater's "talkgroup"?

• A. Join the repeater owner's club
• B. Sign your call after the courtesy tone
• C. Register your radio with the local FCC office
• D. Program your radio with the group's ID or code

T1D08

16. In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

• A. All these choices are correct
• 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. When the communication is related to the sale of amateur equipment by the control operator's employer

T3C01

17. Why are simplex UHF signals rarely heard beyond their radio horizon?

• A. UHF signals are absorbed by the ionospheric D region
• B. UHF signals are usually not propagated by the ionosphere
• C. FCC regulations prohibit them from going more than 50 miles
• D. They are too weak to go very far

T9B09

18. What can cause erratic changes in SWR?

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

T1A03

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

T6C07

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

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

T1F03

21. When are you required to transmit your assigned call sign?

• A. At least every 15 minutes during and at the end of a communication
• B. At least every 10 minutes during and at the end of a communication
• C. At least once during each transmission
• D. At the beginning of each contact, and every 10 minutes thereafter

T6A11

22. Which of the following battery chemistries is not rechargeable?

• A. Lithium-ion
• B. Nickel-cadmium
• C. Carbon-zinc
• D. Lead-acid

T6B11

23. What is the term that describes a device's ability to amplify a signal?

• A. Forward resistance
• B. On resistance
• C. Gain
• D. Forward voltage drop

T5A02

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

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

T1B06

25. On which HF bands does a Technician class operator have phone privileges?

• A. None
• B. 10 meter band only
• C. 30 meter band only
• D. 80 meter, 40 meter, 15 meter, and 10 meter bands

T9A10

26. 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

T6D11

27. Which of the following is a resonant or tuned circuit?

• A. A circuit designed to provide high-fidelity audio
• B. An inductor and a capacitor in series or parallel
• C. A linear voltage regulator
• D. A resistor circuit used for reducing standing wave ratio

T0B02

28. What is required when climbing an antenna tower?

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

T0A05

29. Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

• A. The larger fuse would be likely to blow because it is rated for higher current
• B. Excessive current could cause a fire
• C. The power supply ripple would greatly increase
• D. All these choices are correct

T8A01

30. Which of the following is a form of amplitude modulation?

• A. Packet radio
• B. Phase shift keying (PSK)
• C. Spread spectrum
• D. Single sideband

T3A08

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

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

T5D06

32. What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

• A. 3 ohms
• B. 48 ohms
• C. 8 ohms
• D. 16 ohms

T7B03

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

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

T8D08

34. Which of the following is included in packet radio transmissions?

• A. A header that contains the call sign of the station to which the information is being sent
• B. All these choices are correct
• C. A check sum that permits error detection
• D. Automatic repeat request in case of error

T2A04

35. What is an appropriate way to call another station on a repeater if you know the other station's call sign?

• A. Say the station's call sign, then identify with your call sign
• B. Say "break, break," then say the station's call sign
• C. Say "CQ" three times, then the other station's call sign
• D. Wait for the station to call CQ, then answer