Practice Exam

T2A12

1. What should you do before calling CQ?

• A. Listen first to be sure that no one else is using the frequency
• B. All these choices are correct
• C. Make sure you are authorized to use that frequency
• D. Ask if the frequency is in use

T9A08

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

• A. 12
• B. 50
• C. 112
• D. 19

T6A12

3. What type of switch is represented by component 3 in figure T-2?

• A. Double-pole single-throw
• B. Double-pole double-throw
• C. Single-pole single-throw
• D. Single-pole double-throw

T7D06

4. Which of the following can damage a multimeter?

• A. Attempting to measure voltage when using the resistance setting
• B. Attempting to measure resistance using the voltage setting
• C. Failing to connect one of the probes to ground
• D. Not allowing it to warm up properly

T6D07

5. Which of the following is commonly used as a visual indicator?

• A. LED
• B. Zener diode
• C. FET
• D. Bipolar transistor

T5B02

6. Which is equal to 1,500,000 hertz?

• A. 150 kHz
• B. 15 GHz
• C. 1500 kHz
• D. 1500 MHz

T1B12

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

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

T1F09

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

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

T9B09

9. What can cause erratic changes in SWR?

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

T3C08

10. What causes tropospheric ducting?

• A. Discharges of lightning during electrical storms
• B. Sunspots and solar flares
• C. Temperature inversions in the atmosphere
• D. Updrafts from hurricanes and tornadoes

T4A05

11. Where should an RF power meter be installed?

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

T8D08

12. 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. Automatic repeat request in case of error
• D. A check sum that permits error detection

T8B02

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

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

T3B06

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

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

T8A10

15. What is the approximate bandwidth of AM fast-scan TV transmissions?

• A. About 6 MHz
• B. About 1 MHz
• C. About 3 MHz
• D. More than 10 MHz

T8C11

16. What is an amateur radio station that connects other amateur stations to the internet?

• A. A gateway
• B. A beacon
• C. A digipeater
• D. A repeater

T5C12

17. What is impedance?

• A. The inverse of resistance
• B. The opposition to AC current flow
• C. The Q or Quality Factor of a component
• D. The power handling capability of a component

T6B02

18. What electronic component allows current to flow in only one direction?

• A. Fuse
• B. Diode
• C. Resistor
• D. Driven element

T7A08

19. Which of the following describes combining speech with an RF carrier signal?

• A. Oscillation
• B. Modulation
• C. Impedance matching
• D. Low-pass filtering

T2B02

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

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

T6C02

21. What is component 1 in figure T-1?

• A. Resistor
• B. Transistor
• C. Connector
• D. Battery

T1A09

22. Who selects a Frequency Coordinator?

• A. FCC Regional Field Office
• B. Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
• C. The local chapter of the Office of National Council of Independent Frequency Coordinators
• D. The FCC Office of Spectrum Management and Coordination Policy

T1C01

23. For which license classes are new licenses currently available from the FCC?

• A. Novice, Technician, General, Amateur Extra
• B. Technician, General, Amateur Extra
• C. Novice, Technician Plus, General, Advanced
• D. Technician, Technician Plus, General, Amateur Extra

T5A12

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

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

T3A06

25. What is the meaning of the term "picket fencing"?

• A. A type of ground system used with vertical antennas
• B. Alternating transmissions during a net operation
• C. Rapid flutter on mobile signals due to multipath propagation
• D. Local vs long-distance communications

T0C09

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

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

T7C02

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

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

T2C04

28. What is RACES?

• A. An emergency organization combining amateur radio and citizens band operators and frequencies
• B. An FCC part 97 amateur radio service for civil defense communications during national emergencies
• C. A radio contest held in a short period, sometimes called a "sprint"
• D. An international radio experimentation society

T5D09

29. What is the current through a 24-ohm resistor connected across 240 volts?

• A. 216 amperes
• B. 10 amperes
• C. 24,000 amperes
• D. 0.1 amperes

T0A04

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

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

T4B02

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

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

T7B11

32. What is a symptom of RF feedback in a transmitter or transceiver?

• A. Excessive SWR at the antenna connection
• B. Reports of garbled, distorted, or unintelligible voice transmissions
• C. Frequent blowing of power supply fuses
• D. The transmitter will not stay on the desired frequency

T0B05

33. 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. Secure the guy line if the turnbuckle breaks
• C. Prevent loosening of the turnbuckle from vibration
• D. Provide an ability to measure for proper tensioning

T1E03

34. Who must designate the station control operator?

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

T1D05

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

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