Practice Exam

T7A05

1. What is the name of a circuit that generates a signal at a specific frequency?

• A. Reactance modulator
• B. Low-pass filter
• C. Oscillator
• D. Phase modulator

T8B11

2. Who may receive telemetry from a space station?

• A. A licensed radio amateur who has been certified by the protocol developer
• B. Anyone
• C. A licensed radio amateur with a transmitter equipped for interrogating the satellite
• D. A licensed radio amateur who has registered for an access code from AMSAT

T7C04

3. What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

• A. 1:1
• B. Zero
• C. Full Scale
• D. 50:50

T0C09

4. 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. All these choices are correct
• C. By making sure your antennas have low SWR
• D. By informing the FCC of any changes made in your station

T0B08

5. Which is a proper grounding method for a tower?

• A. A connection between the tower base and a cold water pipe
• B. Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
• C. A ferrite-core RF choke connected between the tower and ground
• D. A single four-foot ground rod, driven into the ground no more than 12 inches from the base

T9B02

6. What is the most common impedance of coaxial cables used in amateur radio?

• A. 8 ohms
• B. 12 ohms
• C. 600 ohms
• D. 50 ohms

T8A10

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

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

T4A05

8. 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. In the power supply cable, as close as possible to the radio
• D. At the power supply output

T5D01

9. What formula is used to calculate current in a circuit?

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

T3A11

10. Which region of the atmosphere can refract or bend HF and VHF radio waves?

• A. The mesosphere
• B. The ionosphere
• C. The stratosphere
• D. The troposphere

T1C03

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

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

T3C11

12. Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

• A. Radio waves are blocked by dust particles
• B. The atmosphere refracts radio waves slightly
• C. Radio waves are not blocked by dust particles
• D. Radio signals move somewhat faster than the speed of light

T6B03

13. Which of these components can be used as an electronic switch?

• A. Thermistor
• B. Potentiometer
• C. Varistor
• D. Transistor

T8D06

14. What does the abbreviation "PSK" mean?

• A. Phased Slide Keying
• B. Phase Shift Keying
• C. Packet Short Keying
• D. Pulse Shift Keying

T1A03

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

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

T7D10

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

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

T6A12

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

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

T1D10

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

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

T0A01

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

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

T2B07

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

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

T8C04

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

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

T6D09

22. What is the name of a device that combines several semiconductors and other components into one package?

• A. Integrated circuit
• B. Transducer
• C. Multi-pole relay
• D. Transformer

T2A08

23. What is the meaning of the procedural signal "CQ"?

• A. Only the called station should transmit
• B. Test transmission, no reply expected
• C. Calling any station
• D. Call on the quarter hour

T1E06

24. When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

• A. When designated as the control operator by an Amateur Extra Class licensee
• B. As part of a multi-operator contest team
• C. When using a club station whose trustee holds an Amateur Extra Class license
• D. At no time

T5C13

25. What is the abbreviation for kilohertz?

• A. kHz
• B. khZ
• C. khz
• D. KHZ

T3B05

26. What is the relationship between wavelength and frequency?

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

T2C05

27. What does the term "traffic" refer to in net operation?

• A. Messages exchanged by net stations
• B. The number of stations checking in and out of a net
• C. Requests to activate the net by a served agency
• D. Operation by mobile or portable stations

T5A06

28. What is the unit of frequency?

• A. Tesla
• B. Farad
• C. Hertz
• D. Henry

T9A03

29. Which of the following describes a simple dipole oriented parallel to Earth's surface?

• A. A ground-wave antenna
• B. A vertically polarized antenna
• C. A horizontally polarized antenna
• D. A travelling-wave antenna

T1B11

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

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

T7B03

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

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

T5B04

32. Which is equal to one microvolt?

• A. One thousand kilovolts
• B. One one-millionth of a volt
• C. One one-thousandth of a volt
• D. One million volts

T6C02

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

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

T4B08

34. What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

• A. Increases the amount of offset between receive and transmit frequencies
• B. Permits monitoring several modes at once by selecting a separate filter for each mode
• C. Increases the number of frequencies that can be stored in memory
• D. Permits noise or interference reduction by selecting a bandwidth matching the mode

T1F01

35. When must the station and its records be available for FCC inspection?

• A. At any time after written notification by the FCC of such inspection
• B. Only when presented with a valid warrant by an FCC official or government agent
• C. At any time ten days after notification by the FCC of such an inspection
• D. At any time upon request by an FCC representative