Practice Exam

T1B07

1. Which of the following VHF/UHF frequency ranges are limited to CW only?

• A. 219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
• B. 902.0 MHz to 902.1 MHZ
• C. 50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
• D. All of these choices are correct

T9A07

2. What is a disadvantage of using a handheld VHF transceiver, with its integral antenna, inside a vehicle?

• A. The SWR might decrease, decreasing the signal strength
• B. Signals might not propagate well due to the shielding effect of the vehicle
• C. It might cause the transceiver to overheat
• D. All of these choices are correct

T0A02

3. What health hazard is presented by electrical current flowing through the body?

• A. It may cause involuntary muscle contractions
• B. It may cause injury by heating tissue
• C. It may disrupt the electrical functions of cells
• D. All of these choices are correct

T0C04

4. What factors affect the RF exposure of people near an amateur station antenna?

• A. Distance from the antenna to a person
• B. All of these choices are correct
• C. Radiation pattern of the antenna
• D. Frequency and power level of the RF field

T7B07

5. Which of the following can reduce overload to a VHF transceiver from a nearby FM broadcast station?

• A. Using headphones instead of the speaker
• B. RF preamplifier
• C. Double-shielded coaxial cable
• D. Band-reject filter

T6C02

6. What is component 1 in figure T1?

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

T6D08

7. Which of the following is combined with an inductor to make a tuned circuit?

• A. Potentiometer
• B. Capacitor
• C. Resistor
• D. Zener diode

T1D11

8. When may an amateur station transmit without on-the-air identification?

• A. When the transmissions are unmodulated
• B. When the transmitted power level is below 1 watt
• C. When transmitting signals to control model craft
• D. When the transmissions are of a brief nature to make station adjustments

T9B06

9. Which of the following connectors is most suitable for frequencies above 400 MHz?

• A. A Type N connector
• B. An RS-213 connector
• C. A UHF (PL-259/SO-239) connector
• D. A DB-25 connector

T1E08

10. Which of the following is an example of automatic control?

• A. Controlling the station over the internet
• B. Using a computer or other device to send CW automatically
• C. Using a computer or other device to identify automatically
• D. Repeater operation

T5D06

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

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

T7C01

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

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

T5A06

13. How much voltage does a mobile transceiver typically require?

• A. About 30 volts
• B. About 120 volts
• C. About 240 volts
• D. About 12 volts

T4A04

14. Which computer sound card port is connected to a transceiver's headphone or speaker output for operating digital modes?

• A. Mute
• B. PCI or SDI
• C. Headphone output
• D. Microphone or line input

T1C07

15. What may result when correspondence from the FCC is returned as undeliverable because the grantee failed to provide and maintain a correct mailing address with the FCC?

• A. A reduction of one rank in operator class
• B. Require the licensee to be re-examined
• C. Revocation of the station license or suspension of the operator license
• D. Fine or imprisonment

T5C13

16. What is a unit of impedance?

• A. Ohms
• B. Volts
• C. Amperes
• D. Coulombs

T2A11

17. What term describes an amateur station that is transmitting and receiving on the same frequency?

• A. Diplex
• B. Multiplex
• C. Simplex
• D. Full duplex

T3A09

18. Which of the following results from the fact that skip signals refracted from the ionosphere are elliptically polarized?

• A. Digital modes are unusable
• B. Both the transmitting and receiving antennas must be of the same polarization
• C. Either vertically or horizontally polarized antennas may be used for transmission or reception
• D. FM voice is unusable

T5B09

19. What is the approximate amount of change, measured in decibels (dB), of a power increase from 5 watts to 10 watts?

• A. 5 dB
• B. 3 dB
• C. 10 dB
• D. 2 dB

T7A05

20. 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. Product detector

T1F03

21. When is an amateur station required to transmit its assigned call sign?

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

T8B06

22. Which of the following are inputs to a satellite tracking program?

• A. All of these choices are correct
• B. The Keplerian elements
• C. The last observed time of zero Doppler shift
• D. The weight of the satellite

T2C01

23. When do the FCC rules NOT apply to the operation of an amateur station?

• A. When operating under special FEMA rules
• B. Never, FCC rules always apply
• C. When operating under special ARES rules
• D. When operating a RACES station

T6B06

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

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

T4B12

25. Which of the following could be used to remove power line noise or ignition noise?

• A. Notch filter
• B. All of these choices are correct
• C. Noise blanker
• D. Squelch

T7D03

26. How is a simple ammeter connected to a circuit?

• A. In quadrature with the circuit
• B. In series with the circuit
• C. In parallel with the circuit
• D. In phase with the circuit

T0B09

27. Why should you avoid attaching an antenna to a utility pole?

• A. The utility company will charge you an extra monthly fee
• B. The antenna will not work properly because of induced voltages
• C. All of these choices are correct
• D. The antenna could contact high-voltage power lines

T3B08

28. What are the frequency limits of the VHF spectrum?

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

T8A04

29. Which type of modulation is most commonly used for VHF and UHF voice repeaters?

• A. PSK
• B. SSB
• C. AM
• D. FM

T1A02

30. Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

• A. FEMA
• B. The FCC
• C. Homeland Security
• D. All of these choices are correct

T3C11

31. Why do VHF and UHF radio signals usually travel somewhat farther than the visual line of sight distance between two stations?

• A. The Earth seems less curved to radio waves than to light
• B. Radio signals move somewhat faster than the speed of light
• C. Radio waves are not blocked by dust particles
• D. Radio waves are blocked by dust particles

T6A07

32. What electrical component usually is constructed as a coil of wire?

• A. Capacitor
• B. Inductor
• C. Switch
• D. Diode

T8C02

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

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

T2B04

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

• A. The repeater may require a proper CTCSS tone from your transceiver
• B. Improper transceiver offset
• C. The repeater may require a proper DCS tone from your transceiver
• D. All of these choices are correct

T8D13

35. What is FT8?

• A. An eight channel multiplex mode for FM repeaters
• B. A wideband FM voice mode
• C. A digital slow scan TV mode with forward error correction and automatic color compensation
• D. A digital mode capable of operating in low signal-to-noise conditions that transmits on 15-second intervals