Practice Exam

T0B08

1. Which is a proper grounding method for a tower?

• A. A connection between the tower base and a cold water pipe
• B. Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
• C. A single four-foot ground rod, driven into the ground no more than 12 inches from the base
• D. A ferrite-core RF choke connected between the tower and ground

T7B05

2. How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

• A. Block the amateur signal with a filter at the antenna input of the affected receiver
• B. Switch the transmitter to a narrow-band mode
• C. Switch the transmitter from FM to SSB
• D. Block the interfering signal with a filter on the amateur transmitter

T8D06

3. What does the abbreviation "PSK" mean?

• A. Phased Slide Keying
• B. Pulse Shift Keying
• C. Packet Short Keying
• D. Phase Shift Keying

T0A04

4. What is the purpose of a fuse in an electrical circuit?

• A. To limit current to prevent shocks
• B. To prevent power supply ripple from damaging a component
• C. All these choices are correct
• D. To remove power in case of overload

T1C04

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

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

T5D02

6. What formula is used to calculate voltage in a circuit?

• A. E= I x R
• B. E = I - R
• C. E= I + R
• D. E= I / R

T1E11

7. Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

• A. The person operating the station equipment
• B. The station custodian
• C. The third party participant
• D. The station licensee

T9A06

8. Which of the following types of antenna offers the greatest gain?

• A. Isotropic
• B. J pole
• C. 5/8 wave vertical
• D. Yagi

T8B12

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

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

T1F10

10. Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

• A. The control operator of the repeater
• B. The control operator of the originating station
• C. Both the originating station and the repeater owner
• D. The owner of the repeater

T1B09

11. Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

• A. So that modulation sidebands do not extend beyond the band edge
• B. To allow for transmitter frequency drift
• C. All these choices are correct
• D. To allow for calibration error in the transmitter frequency display

T3A12

12. What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

• A. There is little effect
• B. Deflection
• C. Range increase
• D. Absorption

T8A05

13. Which of the following types of signal has the narrowest bandwidth?

• A. SSB voice
• B. FM voice
• C. CW
• D. Slow-scan TV

T3B01

14. What is the relationship between the electric and magnetic fields of an electromagnetic wave?

• A. They are in parallel
• B. They revolve in opposite directions
• C. They travel at different speeds
• D. They are at right angles

T7C10

15. 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 and RF signals can mix, causing interference
• D. Ultraviolet light can increase losses in the cable's jacket

T8C08

16. What is the Internet Radio Linking Project (IRLP)?

• A. A technique for measuring signal strength of an amateur transmitter via the internet
• B. A system for providing access to websites via amateur radio
• C. A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
• D. A system for informing amateurs in real time of the frequency of active DX stations

T2C10

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

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

T4A10

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

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

T4B07

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

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

T0C01

20. What type of radiation are radio signals?

• A. Alpha radiation
• B. Non-ionizing radiation
• C. Gamma radiation
• D. Ionizing radiation

T3C06

21. What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

• A. F2 region refraction
• B. Faraday rotation
• C. D region refraction
• D. Tropospheric ducting

T2A11

22. What term describes an amateur station that is transmitting and receiving on the same frequency?

• A. Multiplex
• B. Diplex
• C. Simplex
• D. Full duplex

T1D05

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

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

T5A06

24. What is the unit of frequency?

• A. Henry
• B. Hertz
• C. Farad
• D. Tesla

T6C03

25. What is component 2 in figure T-1?

• A. Transistor
• B. Connector
• C. Resistor
• D. Indicator lamp

T6A10

26. Which of the following battery chemistries is rechargeable?

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

T7D02

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

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

T1A04

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

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

T2B01

29. How is a VHF/UHF transceiver's "reverse" function used?

• A. To reduce power output
• B. To listen on a repeater's output frequency
• C. To listen on a repeater's input frequency
• D. To increase power output

T5C07

30. What is the abbreviation for megahertz?

• A. Mhz
• B. MHz
• C. MH
• D. mh

T6D06

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

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

T7A04

32. Which term describes the ability of a receiver to discriminate between multiple signals?

• A. Selectivity
• B. Harmonic distortion
• C. Sensitivity
• D. Discrimination ratio

T5B03

33. Which is equal to one kilovolt?

• A. One million volts
• B. One one-thousandth of a volt
• C. One thousand volts
• D. One hundred volts

T6B10

34. Which of the following can provide power gain?

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

T9B03

35. Why is coaxial cable the most common feed line for amateur radio antenna systems?

• A. It is less expensive than any other type of feed line
• B. It can handle more power than any other type of feed line
• C. It is easy to use and requires few special installation considerations
• D. It has less loss than any other type of feed line