Practice Exam

T2A09

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

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

T3C05

2. Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

• A. Doppler shift
• B. Faraday rotation
• C. Knife-edge diffraction
• D. Quantum tunneling

T5D12

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

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

T1B04

4. Which amateur band includes 146.52 MHz?

• A. 2 meters
• B. 20 meters
• C. 6 meters
• D. 70 centimeters

T0B03

5. Under what circumstances is it safe to climb a tower without a helper or observer?

• A. When the work being done is not more than 20 feet above the ground
• B. When no mechanical work is being performed
• C. When no electrical work is being performed
• D. Never

T2B04

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

• A. All these choices are correct
• B. You are using the wrong CTCSS tone
• C. You are using the wrong DCS code
• D. Improper transceiver offset

T7D02

7. How is a voltmeter connected to a component to measure applied voltage?

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

T8C05

8. What is a grid locator?

• A. A letter-number designator assigned to a geographic location
• B. An instrument for neutralizing a final amplifier
• C. A letter-number designator assigned to an azimuth and elevation
• D. An instrument for radio direction finding

T1F11

9. Which of the following is a requirement for the issuance of a club station license grant?

• A. The club must be registered with the American Radio Relay League
• B. The club must have at least four members
• C. All these choices are correct
• D. The trustee must have an Amateur Extra Class operator license grant

T1D08

10. In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

• A. When the communication is related to the sale of amateur equipment by the control operator's employer
• B. All these choices are correct
• C. When the communication is made to obtain emergency information for a local broadcast station
• D. When the communication is incidental to classroom instruction at an educational institution

T4A12

11. What is an electronic keyer?

• A. An interlock to prevent unauthorized use of a radio
• B. A device for switching antennas from transmit to receive
• C. A device for voice activated switching from receive to transmit
• D. A device that assists in manual sending of Morse code

T8D12

12. Which of the following best describes an amateur radio mesh network?

• A. An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
• B. A wide-bandwidth digital voice mode employing DMR protocols
• C. A satellite communications network using modified commercial satellite TV hardware
• D. An internet linking protocol used to network repeaters

T6C04

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

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

T6A10

14. Which of the following battery chemistries is rechargeable?

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

T7B06

15. Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?

• A. Immediately turn off your transmitter and contact the nearest FCC office for assistance
• B. All these choices are correct
• C. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
• D. Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel

T1A02

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

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

T1E06

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

T3B06

18. What is the formula for converting frequency to approximate wavelength in meters?

• A. Wavelength in meters equals frequency in hertz divided by 300
• B. Wavelength in meters equals 300 divided by frequency in megahertz
• C. Wavelength in meters equals frequency in hertz multiplied by 300
• D. Wavelength in meters equals frequency in megahertz divided by 300

T6D06

19. What component changes 120 V AC power to a lower AC voltage for other uses?

• A. Variable capacitor
• B. Transistor
• C. Diode
• D. Transformer

T0A02

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

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

T6B08

21. What does the abbreviation FET stand for?

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

T9A09

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

• A. 50
• B. 6
• C. 236
• D. 112

T2C02

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

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

T9B04

24. What is the major function of an antenna tuner (antenna coupler)?

• A. It allows an antenna to be used on both transmit and receive
• B. It matches the antenna system impedance to the transceiver's output impedance
• C. It automatically selects the proper antenna for the frequency band being used
• D. It helps a receiver automatically tune in weak stations

T5B08

25. Which is equal to 1,000,000 picofarads?

• A. 1000 microfarads
• B. 1 microfarad
• C. 1,000,000,000 microfarads
• D. 0.001 microfarads

T0C06

26. Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

• A. By calculation based on FCC OET Bulletin 65
• B. By calculation based on computer modeling
• C. All these choices are correct
• D. By measurement of field strength using calibrated equipment

T7A10

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

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

T8A04

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

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

T7C11

29. What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

• A. It cannot be used for VHF or UHF antennas
• B. It cannot be used at below freezing temperatures
• C. It requires special techniques to prevent moisture in the cable
• D. It has more loss per foot

T8B12

30. Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

• A. Listen for distortion on your downlink signal
• B. All these choices are correct
• C. Your signal strength on the downlink should be about the same as the beacon
• D. Check your signal strength report in the telemetry data

T5C05

31. What is the unit of impedance?

• A. The ohm
• B. The volt
• C. The ampere
• D. The coulomb

T3A08

32. What is a likely cause of irregular fading of signals propagated by the ionosphere?

• A. Intermodulation distortion
• B. Random combining of signals arriving via different paths
• C. Interference from thunderstorms
• D. Frequency shift due to Faraday rotation

T1C02

33. Who may select a desired call sign under the vanity call sign rules?

• A. Any licensed amateur
• B. Only a licensed amateur who has been licensed continuously for more than 10 years
• C. Only a licensed amateur with a General or Amateur Extra Class license
• D. Only a licensed amateur with an Amateur Extra Class license

T4B07

34. What does a DMR "code plug" contain?

• A. The codec for digitizing audio
• B. Access information for repeaters and talkgroups
• C. Your call sign in CW for automatic identification
• D. The DMR software version

T5A04

35. What are the units of electrical resistance?

• A. Mhos
• B. Coulombs
• C. Siemens
• D. Ohms