Practice Exam

T1D09

1. When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

• A. Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
• B. Never
• C. When such communications are directly related to the immediate safety of human life or protection of property
• D. When broadcasting communications to or from the space shuttle

T1B02

2. Which amateurs may contact the International Space Station (ISS) on VHF bands?

• A. Any amateur holding a Technician class or higher license who has applied for and received approval from NASA
• B. Any amateur holding a General class or higher license
• C. Any amateur holding a Technician class or higher license
• D. Any amateur holding a General class or higher license who has applied for and received approval from NASA

T5C09

3. How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

• A. 3.8 watts
• B. 138 watts
• C. 0.7 watts
• D. 23.8 watts

T5D08

4. What is the current through a 100-ohm resistor connected across 200 volts?

• A. 2 amperes
• B. 100 amperes
• C. 20,000 amperes
• D. 0.5 amperes

T0A10

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

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

T7D10

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

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

T7A10

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

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

T4A01

8. Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

• A. 24.0 volts at 12 amperes
• B. 13.8 volts at 12 amperes
• C. 13.8 volts at 4 amperes
• D. 24.0 volts at 4 amperes

T8C03

9. What operating activity involves contacting as many stations as possible during a specified period?

• A. Net operations
• B. Public service events
• C. Simulated emergency exercises
• D. Contesting

T1A07

10. What is the FCC Part 97 definition of a space station?

• A. Any satellite orbiting Earth
• B. An amateur station located more than 50 km above Earth's surface
• C. A manned satellite orbiting Earth
• D. An amateur station using amateur radio satellites for relay of signals

T9B11

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

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

T1E02

12. Who may be the control operator of a station communicating through an amateur satellite or space station?

• A. Any amateur allowed to transmit on the satellite uplink frequency
• B. Only an Amateur Extra Class operator who is also an AMSAT member
• C. Only an Amateur Extra Class operator
• D. A General class or higher licensee with a satellite operator certification

T2C06

13. What is the Amateur Radio Emergency Service (ARES)?

• A. A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
• B. A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
• C. A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
• D. A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency

T3C09

14. What is generally the best time for long-distance 10 meter band propagation via the F region?

• A. From dawn to shortly after sunset during periods of high sunspot activity
• B. From dawn to shortly after sunset during periods of low sunspot activity
• C. From shortly after sunset to dawn during periods of low sunspot activity
• D. From shortly after sunset to dawn during periods of high sunspot activity

T5A06

15. What is the unit of frequency?

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

T2A01

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

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

T2B02

17. 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. CTCSS
• C. Carrier squelch
• D. DTMF

T8B03

18. Which of the following are provided by satellite tracking programs?

• A. All these choices are correct
• B. Maps showing the real-time position of the satellite track over Earth
• C. The apparent frequency of the satellite transmission, including effects of Doppler shift
• D. The time, azimuth, and elevation of the start, maximum altitude, and end of a pass

T7B02

19. What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

• A. The audio amplifier of the transmitter is overloaded
• B. The deviation of an FM transmitter is set too low
• C. The receiver is unable to reject strong signals outside the AM or FM band
• D. The microphone gain of the transmitter is turned up too high

T6B06

20. How is the cathode lead of a semiconductor diode often marked on the package?

• A. With the letter C
• B. With the letter K
• C. With a stripe
• D. With the word "cathode"

T5B07

21. Which is equal to 3.525 MHz?

• A. 0.003525 kHz
• B. 35.25 kHz
• C. 3525 kHz
• D. 3,525,000 kHz

T9A01

22. What is a beam antenna?

• A. An antenna built from aluminum I-beams
• B. An omnidirectional antenna invented by Clarence Beam
• C. An antenna that reverses the phase of received signals
• D. An antenna that concentrates signals in one direction

T8A02

23. What type of modulation is commonly used for VHF packet radio transmissions?

• A. AM
• B. SSB
• C. PSK
• D. FM or PM

T6A02

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

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

T6C08

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

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

T3A01

26. Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

• A. VHF ionospheric propagation is very sensitive to path length
• B. The signal path encounters different concentrations of water vapor
• C. Multipath propagation cancels or reinforces signals
• D. All these choices are correct

T3B10

27. What frequency range is referred to as HF?

• A. 300 to 3000 MHz
• B. 30 to 300 MHz
• C. 300 to 3000 kHz
• D. 3 to 30 MHz

T6D11

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

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

T7C01

29. What is the primary purpose of a dummy load?

• A. To prevent transmitting signals over the air when making tests
• B. To prevent over-modulation of a transmitter
• C. To improve the signal-to-noise ratio of a receiver
• D. To improve the efficiency of an antenna

T1F04

30. What language may you use for identification when operating in a phone sub-band?

• A. Any language recognized by the United Nations
• B. Any language recognized by the ITU
• C. English
• D. English, French, or Spanish

T0C01

31. What type of radiation are radio signals?

• A. Ionizing radiation
• B. Alpha radiation
• C. Gamma radiation
• D. Non-ionizing radiation

T4B12

32. What is the result of tuning an FM receiver above or below a signal's frequency?

• A. Generation of a heterodyne tone
• B. Change in audio pitch
• C. Distortion of the signal's audio
• D. Sideband inversion

T1C04

33. What may happen if the FCC is unable to reach you by email?

• A. Revocation of access to the license record in the FCC system
• B. Nothing; there is no such requirement
• C. Revocation of the station license or suspension of the operator license
• D. Fine and suspension of operator license

T8D04

34. What type of transmission is indicated by the term "NTSC?"

• A. A frame compression scheme for TV signals
• B. A Normal Transmission mode in Static Circuit
• C. An analog fast-scan color TV signal
• D. A special mode for satellite uplink

T0B08

35. 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 single four-foot ground rod, driven into the ground no more than 12 inches from the base
• D. A ferrite-core RF choke connected between the tower and ground