Practice Exam

T1C07

1. Which of the following can result in revocation of the station license or suspension of the operator license?

• A. Failure to have a copy of your license available at your station
• B. Failure to provide and maintain a correct email address with the FCC
• C. Failure to obtain FCC type acceptance prior to using a home-built transmitter
• D. Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation

T7C10

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

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

T6A01

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

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

T2A06

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

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

T0B07

5. Which of the following is an important safety rule to remember when using a crank-up tower?

• A. This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
• B. All these choices are correct
• C. This type of tower must never be grounded
• D. This type of tower must never be painted

T2C07

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

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

T2B12

7. What is the purpose of the color code used on DMR repeater systems?

• A. Defines the frequency pair to use
• B. Defines the minimum signal level required for access
• C. Must match the repeater color code for access
• D. Identifies the codec used

T1D05

8. When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

• A. Never
• B. When selling amateur radio equipment and not on a regular basis
• C. When no profit is made on the sale
• D. When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives

T5D09

9. What is the current through a 24-ohm resistor connected across 240 volts?

• A. 10 amperes
• B. 0.1 amperes
• C. 24,000 amperes
• D. 216 amperes

T5C13

10. What is the abbreviation for kilohertz?

• A. KHZ
• B. khz
• C. kHz
• D. khZ

T6C07

11. What is component 8 in figure T-2?

• A. Resistor
• B. Light emitting diode
• C. Regulator IC
• D. Inductor

T3C01

12. Why are simplex UHF signals rarely heard beyond their radio horizon?

• A. FCC regulations prohibit them from going more than 50 miles
• B. UHF signals are usually not propagated by the ionosphere
• C. They are too weak to go very far
• D. UHF signals are absorbed by the ionospheric D region

T3B09

13. What frequency range is referred to as UHF?

• A. 300 to 3000 MHz
• B. 30 to 300 MHz
• C. 300 to 3000 kHz
• D. 30 to 300 kHz

T7D09

14. What is the characteristic appearance of a cold tin-lead solder joint?

• A. Excessive solder
• B. A rough or lumpy surface
• C. Dark black spots
• D. A bright or shiny surface

T0A08

15. Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

• A. In series with the hot and neutral conductors
• B. In parallel with the hot conductor only
• C. In parallel with the hot and neutral conductors
• D. In series with the hot conductor only

T9B07

16. Which of the following is true of PL-259 type coax connectors?

• A. They are commonly used at HF and VHF frequencies
• B. They are watertight
• C. They are preferred for microwave operation
• D. They are a bayonet-type connector

T6B10

17. Which of the following can provide power gain?

• A. Transistor
• B. Resistor
• C. Reactor
• D. Transformer

T1F09

18. What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

• A. Earth station
• B. Message forwarding station
• C. Repeater station
• D. Beacon station

T0C05

19. Why do exposure limits vary with frequency?

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

T8C11

20. What is an amateur radio station that connects other amateur stations to the internet?

• A. A beacon
• B. A repeater
• C. A gateway
• D. A digipeater

T4A05

21. Where should an RF power meter be installed?

• A. In parallel with the push-to-talk line and the antenna
• B. At the power supply output
• C. In the power supply cable, as close as possible to the radio
• D. In the feed line, between the transmitter and antenna

T9A03

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

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

T4B03

23. How is squelch adjusted so that a weak FM signal can be heard?

• A. Turn on the anti-squelch function
• B. Set the squelch threshold so that receiver output audio is on all the time
• C. Turn up the audio level until it overcomes the squelch threshold
• D. Enable squelch enhancement

T8A07

24. What is a characteristic of single sideband (SSB) compared to FM?

• A. SSB signals have narrower bandwidth
• B. All these choices are correct
• C. SSB signals are easier to tune in correctly
• D. SSB signals are less susceptible to interference

T1A04

25. How many operator/primary station license grants may be held by any one person?

• A. One for each permanent station location from which the person plans to operate
• B. One for each band on which the person plans to operate
• C. One
• D. No more than two

T8B10

26. What is a LEO satellite?

• A. A satellite in low earth orbit
• B. A satellite in low energy operation mode
• C. A highly elliptical orbit satellite
• D. A sun synchronous satellite

T1E04

27. What determines the transmitting frequency privileges of an amateur station?

• A. The highest class of operator license held by anyone on the premises
• B. The frequency authorized by the frequency coordinator
• C. The frequencies printed on the license grant
• D. The class of operator license held by the control operator

T8D04

28. What type of transmission is indicated by the term "NTSC?"

• A. A frame compression scheme for TV signals
• B. A Normal Transmission mode in Static Circuit
• C. An analog fast-scan color TV signal
• D. A special mode for satellite uplink

T5B10

29. Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

• A. -1 dB
• B. -3 dB
• C. -9 dB
• D. -6 dB

T1B07

30. Which of the following VHF/UHF band segments are limited to CW only?

• A. 902.0 MHz to 902.1 MHz
• B. 219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
• C. All these choices are correct
• D. 50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz

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. Increase the antenna SWR
• C. Change from vertical to horizontal polarization
• D. Try the long path

T7B11

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

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

T5A01

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

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

T6D10

34. What is the function of component 2 in figure T-1?

• A. Convert electrical energy into radio waves
• B. Supply electrical energy
• C. Control the flow of current
• D. Give off light when current flows through it

T7A07

35. What is the function of a transceiver's PTT input?

• A. Switches transceiver from receive to transmit when grounded
• B. Input for a key used to send CW
• C. Provides a transmit tuning tone when grounded
• D. Input for a preamplifier tuning tone