Practice Exam

T5C12

1. What is impedance?

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

T6D04

2. Which of the following displays an electrical quantity as a numeric value?

• A. Meter
• B. Potentiometer
• C. Transistor
• D. Relay

T2A05

3. How should you respond to a station calling CQ?

• A. Transmit "CQ" followed by the other station's call sign
• B. Transmit a signal report followed by your call sign
• C. Transmit your call sign followed by the other station's call sign
• D. Transmit the other station's call sign followed by your call sign

T5B07

4. Which is equal to 3.525 MHz?

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

T7A05

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

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

T4A09

6. How can you determine the length of time that equipment can be powered from a battery?

• A. Multiply the square of the current rating of the battery by the input resistance of the equipment
• B. Multiply the watts per hour consumed by the equipment by the battery power rating
• C. Divide the battery ampere-hour rating by the average current draw of the equipment
• D. Divide the watt-hour rating of the battery by the peak power consumption of the equipment

T3C02

7. What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

• A. There is less atmospheric interference (static) on HF
• B. Long-distance ionospheric propagation is far more common on HF
• C. HF antennas are generally smaller
• D. HF accommodates wider bandwidth signals

T7C10

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

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

T5D07

9. What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

• A. 9600 amperes
• B. 0.667 amperes
• C. 1.5 amperes
• D. 200 amperes

T8B05

10. What is a satellite beacon?

• A. An indicator light that shows where to point your antenna
• B. The primary transmit antenna on the satellite
• C. A reflective surface on the satellite
• D. A transmission from a satellite that contains status information

T2C06

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

• A. A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public 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 are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
• D. A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service

T9B12

12. What is standing wave ratio (SWR)?

• A. The transmitter efficiency ratio
• B. An indication of the quality of your station's ground connection
• C. A measure of how well a load is matched to a transmission line
• D. The ratio of amplifier power output to input

T4B04

13. What is a way to enable quick access to a favorite frequency or channel on your transceiver?

• A. Store it in a memory channel
• B. Use the scan mode to select the desired frequency
• C. Enable the VOX
• D. Enable the frequency offset

T0B05

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

T1D06

15. What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

• A. The ITU maintains a list of words that are not permitted to be used on amateur frequencies
• B. Any such language is prohibited
• C. The FCC maintains a list of words that are not permitted to be used on amateur frequencies
• D. There is no such prohibition

T1E08

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

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

T1A01

17. Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

• A. All these choices are correct
• B. Advancing skills in the technical and communication phases of the radio art
• C. Providing communications for international non-profit organizations
• D. Providing personal radio communications for as many citizens as possible

T1C09

18. What is the grace period for renewal if an amateur license expires?

• A. Two years
• B. Ten years
• C. Three years
• D. Five years

T0A07

19. Where should a lightning arrester be installed in a coaxial feed line?

• A. At the antenna feed point
• B. On a grounded panel near where feed lines enter the building
• C. At the output connector of a transceiver
• D. At the ac power service panel

T9A09

20. What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

• A. 112
• B. 50
• C. 236
• D. 6

T6B08

21. What does the abbreviation FET stand for?

• A. Field Effect Transistor
• B. Fast Electron Transistor
• C. Free Electron Transmitter
• D. Frequency Emission Transmitter

T8D02

22. What is a "talkgroup" on a DMR repeater?

• A. A way for groups of users to share a channel at different times without hearing other users on the channel
• B. A group of operators sharing common interests
• C. A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together
• D. A net that meets at a specified time

T0C05

23. Why do exposure limits vary with frequency?

• A. The human body absorbs more RF energy at some frequencies than at others
• B. Lower frequency RF fields have more energy than higher frequency fields
• C. Higher frequency RF fields are transient in nature
• D. Lower frequency RF fields do not penetrate the human body

T7B10

24. What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

• A. You are in a bad location
• B. Your batteries are running low
• C. All these choices are correct
• D. Your transmitter is slightly off frequency

T2B05

25. What would cause your FM transmission audio to be distorted on voice peaks?

• A. Your repeater offset is inverted
• B. Your transmit power is too high
• C. You need to talk louder
• D. You are talking too loudly

T1F08

26. What is the definition of third party communications?

• A. Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
• B. Operation when the transmitting equipment is licensed to a person other than the control operator
• C. A message from a control operator to another amateur station control operator on behalf of another person
• D. Amateur radio communications where three stations are in communications with one another

T8C10

27. What is required before using the EchoLink system?

• A. Purchase a license to use the EchoLink software
• B. Register your call sign and provide proof of license
• C. All these choices are correct
• D. Complete the required EchoLink training

T8A02

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

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

T6C12

29. Which of the following is accurately represented in electrical schematics?

• A. Component connections
• B. Physical appearance of components
• C. All these choices are correct
• D. Wire lengths

T6A02

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

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

T3A05

31. When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

• A. Try to find a path that reflects signals to the repeater
• B. Change from vertical to horizontal polarization
• C. Increase the antenna SWR
• D. Try the long path

T1B02

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

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

T5A03

33. What is the name for the flow of electrons in an electric circuit?

• A. Current
• B. Capacitance
• C. Voltage
• D. Resistance

T7D03

34. When configured to measure current, how is a multimeter connected to a component?

• A. In phase
• B. In quadrature
• C. In parallel
• D. In series

T3B01

35. What is the relationship between the electric and magnetic fields of an electromagnetic wave?

• A. They are at right angles
• B. They revolve in opposite directions
• C. They travel at different speeds
• D. They are in parallel