Practice Exam

T2A01

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

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

T8C05

2. What is a grid locator?

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

T4B10

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

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

T1F08

4. What is the definition of third party communications?

• A. Amateur radio communications where three stations are in communications with one another
• 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. Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments

T3A02

5. What is the effect of vegetation on UHF and microwave signals?

• A. Polarization rotation
• B. Absorption
• C. Amplification
• D. Knife-edge diffraction

T0B02

6. What is required when climbing an antenna tower?

• A. Always wear an approved climbing harness
• B. Use appropriate tie-off to the tower at all times
• C. Have sufficient training on safe tower climbing techniques
• D. All these choices are correct

T7D08

7. Which of the following types of solder should not be used for radio and electronic applications?

• A. Rosin-core solder
• B. Acid-core solder
• C. Tin-copper solder
• D. Lead-tin solder

T0A01

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

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

T1A05

9. What proves that the FCC has issued an operator/primary license grant?

• A. An email notification from the NCVEC granting the license
• B. All these choices are correct
• C. The license appears in the FCC ULS database
• D. A printed copy of the certificate of successful completion of examination

T7B11

10. What is a symptom of RF feedback in a transmitter or transceiver?

• A. The transmitter will not stay on the desired frequency
• B. Reports of garbled, distorted, or unintelligible voice transmissions
• C. Frequent blowing of power supply fuses
• D. Excessive SWR at the antenna connection

T6B07

11. What causes a light-emitting diode (LED) to emit light?

• A. Capacitively-coupled RF signal
• B. Inductively-coupled RF signal
• C. Forward current
• D. Reverse current

T7A03

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

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

T5C01

13. What describes the ability to store energy in an electric field?

• A. Inductance
• B. Tolerance
• C. Capacitance
• D. Resistance

T2C10

14. What information is contained in the preamble of a formal traffic message?

• A. Information needed to track the message
• B. The email address of the originating station
• C. The address of the intended recipient
• D. The telephone number of the addressee

T6A08

15. What is the function of an SPDT switch?

• A. A single circuit is switched between one of two other circuits
• B. A single circuit is opened or closed
• C. Two circuits are each switched between one of two other circuits
• D. Two circuits are opened or closed

T9B05

16. What happens as the frequency of a signal in coaxial cable is increased?

• A. The loss increases
• B. The characteristic impedance increases
• C. The characteristic impedance decreases
• D. The loss decreases

T1B10

17. Where may SSB phone be used in amateur bands above 50 MHz?

• A. On any band if the power is limited to 25 watts
• B. In at least some segment of all these bands
• C. Only on repeaters
• D. Only in sub-bands allocated to General class or higher licensees

T4A10

18. What function is performed with a transceiver and a digital mode hot spot?

• A. Communication using digital voice or data systems via the internet
• B. RTTY encoding and decoding without a computer
• C. FT8 digital communications via AFSK
• D. High-speed digital communications for meteor scatter

T5B09

19. Which decibel value most closely represents a power increase from 5 watts to 10 watts?

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

T2B04

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

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

T8B09

21. What causes spin fading of satellite signals?

• A. Circular polarized noise interference radiated from the sun
• B. Interfering signals within the satellite uplink band
• C. Doppler shift of the received signal
• D. Rotation of the satellite and its antennas

T8D08

22. Which of the following is included in packet radio transmissions?

• A. A header that contains the call sign of the station to which the information is being sent
• B. A check sum that permits error detection
• C. All these choices are correct
• D. Automatic repeat request in case of error

T9A04

23. What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

• A. It transmits only circularly polarized signals
• B. It is mechanically fragile
• C. All these choices are correct
• D. It has low efficiency

T5D12

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

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

T3C07

25. What band is best suited for communicating via meteor scatter?

• A. 2 meters
• B. 6 meters
• C. 33 centimeters
• D. 70 centimeters

T1E02

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

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

T1C03

27. What types of international communications are an FCC-licensed amateur radio station permitted to make?

• A. Communications incidental to conducting business or remarks of a personal nature
• B. Any communications that would be permitted by an international broadcast station
• C. Only communications incidental to contest exchanges; all other communications are prohibited
• D. Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character

T1D09

28. 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. When such communications are directly related to the immediate safety of human life or protection of property
• C. Never
• D. When broadcasting communications to or from the space shuttle

T7C03

29. What does a dummy load consist of?

• A. A 50-ohm reactance used to terminate a transmission line
• B. A non-inductive resistor mounted on a heat sink
• C. A high-gain amplifier and a TR switch
• D. A low-voltage power supply and a DC relay

T8A04

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

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

T3B06

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

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

T6D05

32. What type of circuit controls the amount of voltage from a power supply?

• A. Filter
• B. Phase inverter
• C. Regulator
• D. Oscillator

T0C12

33. How does RF radiation differ from ionizing radiation (radioactivity)?

• A. RF radiation is perfectly safe
• B. RF radiation can only be detected with an RF dosimeter
• C. RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
• D. RF radiation is limited in range to a few feet

T6C05

34. What is component 4 in figure T-1?

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

T5A04

35. What are the units of electrical resistance?

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