Practice Exam

T7B09

1. What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

• A. Add a preamplifier to the TV antenna input
• B. Be sure all TV feed line coaxial connectors are installed properly
• C. Add a low-pass filter to the TV antenna input
• D. Add a high-pass filter to the TV antenna input

T2A09

2. Which of the following indicates that a station is listening on a repeater and looking for a contact?

• A. The station's call sign followed by the word "monitoring"
• B. "CQ CQ" followed by the repeater's call sign
• C. The repeater call sign followed by the station's call sign
• D. "QSY" followed by your call sign

T1B12

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

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

T4A03

4. Why are short, heavy-gauge wires used for a transceiver's DC power connection?

• A. To minimize voltage drop when transmitting
• B. To provide a good counterpoise for the antenna
• C. All these choices are correct
• D. To avoid RF interference

T0A01

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

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

T1C10

6. How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

• A. Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
• B. As soon as your operator/station license grant appears in the FCC's license database
• C. As soon as you receive your license in the mail from the FCC
• D. As soon as your operator/station license grant appears on the ARRL website

T5A05

7. What is the electrical term for the force that causes electron flow?

• A. Voltage
• B. Inductance
• C. Capacitance
• D. Ampere-hours

T8C06

8. How is over the air access to IRLP nodes accomplished?

• A. By obtaining a password that is sent via voice to the node
• B. By using DTMF signals
• C. By entering the proper internet password
• D. By using CTCSS tone codes

T2C02

9. Which of the following are typical duties of a Net Control Station?

• A. Ensure that all stations checking into the net are properly licensed for operation on the net frequency
• B. Choose the regular net meeting time and frequency
• C. Call the net to order and direct communications between stations checking in
• D. All these choices are correct

T0C08

10. Which of the following actions can reduce exposure to RF radiation?

• A. Increase the duty cycle
• B. All these choices are correct
• C. Relocate antennas
• D. Relocate the transmitter

T6C04

11. What is component 3 in figure T-1?

• A. Resistor
• B. Ground symbol
• C. Lamp
• D. Transistor

T8A04

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

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

T6B03

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

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

T4B10

14. Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

• A. 1000 Hz
• B. 5000 Hz
• C. 2400 Hz
• D. 500 Hz

T6A10

15. Which of the following battery chemistries is rechargeable?

• A. Nickel-metal hydride
• B. Lithium-ion
• C. Lead-acid
• D. All these choices are correct

T9B12

16. What is standing wave ratio (SWR)?

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

T0B05

17. What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

• A. Prevent loosening of the turnbuckle from vibration
• B. Provide a ground path for lightning strikes
• C. Provide an ability to measure for proper tensioning
• D. Secure the guy line if the turnbuckle breaks

T7A03

18. Which of the following is used to convert a signal from one frequency to another?

• A. Amplifier
• B. Mixer
• C. Inverter
• D. Phase splitter

T3C03

19. What is a characteristic of VHF signals received via auroral backscatter?

• A. They are often received from 10,000 miles or more
• B. They are distorted and signal strength varies considerably
• C. They occur only during winter nighttime hours
• D. They are generally strongest when your antenna is aimed west

T9A03

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

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

T1E08

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

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

T5D12

22. What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

• A. 8 volts
• B. 20 volts
• C. 0.2 volts
• D. 12 volts

T1D06

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

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

T5C07

24. What is the abbreviation for megahertz?

• A. MH
• B. mh
• C. MHz
• D. Mhz

T8B03

25. 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 time, azimuth, and elevation of the start, maximum altitude, and end of a pass
• D. The apparent frequency of the satellite transmission, including effects of Doppler shift

T1A08

26. Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

• A. Volunteer Frequency Coordinator recognized by local amateurs
• B. FCC Regional Field Office
• C. Frequency Spectrum Manager appointed by the FCC
• D. International Telecommunication Union

T7D10

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

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

T6D03

28. Which of the following is a reason to use shielded wire?

• A. To increase the current carrying capability of the wire
• B. To couple the wire to other signals
• C. To decrease the resistance of DC power connections
• D. To prevent coupling of unwanted signals to or from the wire

T3A11

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

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

T2B07

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

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

T8D07

31. Which of the following describes DMR?

• A. A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
• B. An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
• C. A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
• D. An automatic position tracking mode for FM mobiles communicating through repeaters

T3B03

32. What are the two components of a radio wave?

• A. Electric and magnetic fields
• B. Impedance and reactance
• C. Ionizing and non-ionizing radiation
• D. Voltage and current

T7C06

33. What does an SWR reading of 4:1 indicate?

• A. Impedance mismatch
• B. Gain of +4 dB
• C. Good impedance match
• D. Loss of -4 dB

T1F08

34. What is the definition of third party communications?

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

T5B12

35. Which is equal to 28400 kHz?

• A. 284.00 MHz
• B. 28.400 kHz
• C. 28.400 MHz
• D. 2.800 MHz