Practice Exam

T1B10

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

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

T1A04

2. How do you receive official notification of your new license and call sign after passing the exam?

• A. Email from the FCC with a link to download the license grant
• B. USPS First-Class Mail from the lead volunteer examiner
• C. Email from the lead volunteer examiner
• D. USPS First-Class Mail from the FCC

T5D14

3. In which type of circuit is the voltage always the same across all components?

• A. Branch
• B. Resonant
• C. Series
• D. Parallel

T1D12

4. Which of the following is required when making on-the-air test transmissions?

• A. Conduct tests only between 10 p.m. and 6 a.m. local time
• B. All these choices are correct
• C. Identify the transmitting station
• D. Notify the FCC of the transmissions

T6A01

5. What electrical component opposes the flow of current in a DC circuit?

• A. Transformer
• B. Inverter
• C. Resistor
• D. Inductor

T0B04

6. Which of the following is an important safety precaution to observe when putting up an antenna tower?

• A. Look for and stay clear of any overhead electrical wires
• B. Wear a ground strap connected to your wrist at all times
• C. All these choices are correct
• D. Insulate the base of the tower to avoid lightning strikes

T4A10

7. What function does a digital mode hotspot perform for nearby transceivers?

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

T2C07

8. Which of the following is standard practice when you participate in a net?

• A. Record the time of each of your transmissions
• B. When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
• C. All these choices are correct
• D. Unless you are reporting an emergency, transmit only when directed by the net control station

T9A07

9. What is a potential drawback of using a handheld VHF transceiver inside a vehicle that lacks an externally mounted antenna?

• A. Signal strength is reduced due to the shielding effect of the vehicle
• B. The handheld will overheat due to reflected power in the vehicle
• C. The SWR might decrease, decreasing the signal strength
• D. The bandwidth of the antenna will decrease, increasing SWR

T9B10

10. What is the electrical difference between RG-58 and RG-213 coaxial cable?

• A. RG-58 cable has two shields
• B. RG-58 cable can handle higher power levels
• C. RG-213 cable has less loss at a given frequency
• D. There is no significant difference between the two types

T7C09

11. Which of the following causes failure of coaxial cables?

• A. Solder flux contamination
• B. Moisture contamination
• C. Rapid fluctuation in transmitter output power
• D. Operation at 100% duty cycle for an extended period

T5C11

12. How much current is required to deliver 120 watts at a voltage of 12 volts DC?

• A. 12 amperes
• B. 132 amperes
• C. 10 amperes
• D. 0.1 amperes

T7A01

13. Which term describes the ability of a receiver to detect the presence of a signal?

• A. RF gain
• B. Sensitivity
• C. Selectivity
• D. Total Harmonic Distortion

T8B05

14. What is a satellite beacon?

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

T8C07

15. What is Voice Over Internet Protocol (VoIP)?

• A. A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
• B. A method of delivering voice communications over the internet using digital techniques
• C. A technique employed to "spot" DX stations via the internet
• D. A set of rules specifying how to identify your station when linked over the internet to another station

T4B07

16. What is a DMR "code plug"?

• A. A Coder-Decoder (CODEC) that converts analog voice data to DMR digital data and vice versa
• B. An upgrade to DMR programming software provided by the radio manufacturer to accommodate new radio models
• C. An adapter cable used to connect a DMR radio to a computer for internet access
• D. Configuration data loaded onto your radio to access repeaters and talkgroups

T0C08

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

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

T0A12

18. Which of the following precautions should be taken when measuring high voltages with a voltmeter?

• A. Ensure that the voltmeter is set to the correct frequency
• B. Ensure that the voltmeter has very low impedance
• C. Ensure that the circuit is grounded through the voltmeter
• D. Ensure that the voltmeter and its leads are rated for use at the voltages being measured

T5A01

19. Electrical current is measured in which of the following units?

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

T3C09

20. What is generally the best time for long-distance 10-meter band propagation via the F region?

• A. From shortly after sunset to dawn during periods of low sunspot activity
• B. From dawn to shortly after sunset during periods of high sunspot activity
• C. From dawn to shortly after sunset during periods of low sunspot activity
• D. From shortly after sunset to dawn during periods of high sunspot activity

T1F01

21. When must the station licensee make the station and the station records available for inspection?

• A. At any time after a written notification by the FCC of such inspection
• B. Only when presented with a valid warrant by an FCC official or government agent
• C. At any time upon request by an FCC representative
• D. At any time ten days after notification by the FCC of such an inspection

T8A07

22. What is one characteristic of single sideband (SSB) compared to FM?

• A. SSB signals have narrower bandwidth
• B. SSB signals are easier to tune in correctly
• C. SSB signals are less susceptible to high SWR
• D. SSB signals are less susceptible to interference

T6C02

23. What is component 1 in figure T-1?

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

T1E03

24. Who must designate the station control operator?

• A. The station licensee
• B. The frequency coordinator
• C. The FCC
• D. Any licensed operator

T3B02

25. What property of a radio wave defines its polarization?

• A. The ratio of the velocity to the wavelength
• B. The orientation of the magnetic field
• C. The ratio of the energy in the magnetic field to the energy in the electric field
• D. The orientation of the electric field

T3A08

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

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

T7B03

27. Which of the following can cause radio frequency interference?

• A. Harmonics
• B. Spurious emissions
• C. Fundamental overload
• D. All these choices are correct

T2A10

28. What is a band plan, beyond the privileges established by the FCC?

• A. A plan devised by a club to indicate frequency band usage
• B. A list of available net frequencies
• C. A list of operating schedules
• D. A voluntary guideline for using different modes or activities within an amateur band

T2B12

29. What is the digital color code used on DMR repeater systems?

• A. A code transmitted by the repeater to indicate health and status of the equipment
• B. An access code which must be programmed into a DMR transmitter to access a specific repeater
• C. A code which identifies the specific CODEC being used so that the repeater can properly decode the audio
• D. A code which automatically programs the repeater offset to a frequency chosen by the user

T8D04

30. What is meant by the term "NTSC?"

• A. A frame compression scheme for TV signals
• B. An analog fast-scan color TV signal
• C. A digital transmission standard for encrypting data
• D. A special mode for satellite uplink

T7D08

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

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

T6D08

32. Which of the following is combined with an inductor to make a resonant circuit?

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

T6B11

33. What does the term gain mean in amplifiers?

• A. All these choices are correct
• B. The output signal current relative to the input signal current
• C. The output signal power relative to the input signal power
• D. The output signal voltage relative to the input signal voltage

T5B13

34. Which is equal to 2425 MHz?

• A. 0.002425 GHz
• B. 24.25 GHz
• C. 242.5 GHz
• D. 2.425 GHz

T1C04

35. What may happen if the FCC is unable to reach you by email?

• A. Revocation of the station license or suspension of the operator license
• B. Fine and suspension of operator license
• C. Nothing; there is no such requirement
• D. Revocation of access to the license record in the FCC system