Practice Exam

T2B09

1. Why are simplex channels designated in the VHF/UHF band plans?

• A. So stations within range of each other can communicate without tying up a repeater
• B. So stations with simple transmitters can access the repeater without automated offset
• C. For working DX only
• D. For contest operation

T9A04

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

T5C12

3. What is impedance?

• A. The opposition to AC current flow
• B. The inverse of resistance
• C. The Q or Quality Factor of a component
• D. The power handling capability of a component

T2C04

4. What is RACES?

• A. An emergency organization combining amateur radio and citizens band operators and frequencies
• B. A radio contest held in a short period, sometimes called a "sprint"
• C. An international radio experimentation society
• D. An FCC part 97 amateur radio service for civil defense communications during national emergencies

T3B06

5. 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 hertz divided by 300
• C. Wavelength in meters equals frequency in megahertz divided by 300
• D. Wavelength in meters equals 300 divided by frequency in megahertz

T3C08

6. What causes tropospheric ducting?

• A. Sunspots and solar flares
• B. Updrafts from hurricanes and tornadoes
• C. Temperature inversions in the atmosphere
• D. Discharges of lightning during electrical storms

T2A04

7. What is an appropriate way to call another station on a repeater if you know the other station's call sign?

• A. Say "CQ" three times, then the other station's call sign
• B. Wait for the station to call CQ, then answer
• C. Say "break, break," then say the station's call sign
• D. Say the station's call sign, then identify with your call sign

T6B04

8. Which of the following components can consist of three regions of semiconductor material?

• A. Pentagrid converter
• B. Triode
• C. Alternator
• D. Transistor

T8B06

9. Which of the following are inputs to a satellite tracking program?

• A. The satellite transmitted power
• B. The last observed time of zero Doppler shift
• C. All these choices are correct
• D. The Keplerian elements

T1B10

10. 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. Only on repeaters
• C. Only in sub-bands allocated to General class or higher licensees
• D. In at least some segment of all these bands

T1A10

11. What is the Radio Amateur Civil Emergency Service (RACES)?

• A. All these choices are correct
• B. An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
• C. A radio service using amateur stations for emergency management or civil defense communications
• D. A radio service using amateur frequencies for emergency management or civil defense communications

T8A09

12. What is the approximate bandwidth of a VHF repeater FM voice signal?

• A. Between 10 and 15 kHz
• B. About 150 kHz
• C. Between 50 and 125 kHz
• D. Less than 500 Hz

T0B02

13. What is required when climbing an antenna tower?

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

T7A02

14. What is a transceiver?

• A. A device for automatically sending and decoding Morse code
• B. A device for converting receiver and transmitter frequencies to another band
• C. A device that combines a receiver and transmitter
• D. A device for matching feed line impedance to 50 ohms

T5A04

15. What are the units of electrical resistance?

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

T7B05

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

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

T7D04

17. Which instrument is used to measure electric current?

• A. An ohmmeter
• B. An ammeter
• C. A voltmeter
• D. An electrometer

T1C10

18. How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

• A. As soon as you receive your license in the mail from the FCC
• B. As soon as your operator/station license grant appears in the FCC's license database
• C. As soon as your operator/station license grant appears on the ARRL website
• D. Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)

T6C07

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

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

T7C03

20. 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 low-voltage power supply and a DC relay
• D. A high-gain amplifier and a TR switch

T0C02

21. At which of the following frequencies does maximum permissible exposure have the lowest value?

• A. 50 MHz
• B. 1296 MHz
• C. 440 MHz
• D. 3.5 MHz

T4B09

22. How is a specific group of stations selected on a digital voice transceiver?

• A. By enabling the group's CTCSS tone
• B. By retrieving the frequencies from transceiver memory
• C. By activating automatic identification
• D. By entering the group's identification code

T0A04

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

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

T1D10

24. How does the FCC define broadcasting for the Amateur Radio Service?

• A. Two-way transmissions by amateur stations
• B. Any transmission made by the licensed station
• C. Transmission of messages directed only to amateur operators
• D. Transmissions intended for reception by the general public

T1E05

25. What is an amateur station's control point?

• A. The location of the station's transmitting antenna
• B. The location at which the control operator function is performed
• C. The mailing address of the station licensee
• D. The location of the station's transmitting apparatus

T4A12

26. What is an electronic keyer?

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

T5B07

27. Which is equal to 3.525 MHz?

• A. 3,525,000 kHz
• B. 0.003525 kHz
• C. 3525 kHz
• D. 35.25 kHz

T8C01

28. Which of the following methods is used to locate sources of noise interference or jamming?

• A. Echolocation
• B. Doppler radar
• C. Phase locking
• D. Radio direction finding

T9B10

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

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

T5D13

30. In which type of circuit is DC current the same through all components?

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

T8D04

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

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

T6A09

32. What electrical component is used to protect other circuit components from current overloads?

• A. All these choices are correct
• B. Thyratron
• C. Fuse
• D. Varactor

T6D09

33. What is the name of a device that combines several semiconductors and other components into one package?

• A. Transducer
• B. Transformer
• C. Multi-pole relay
• D. Integrated circuit

T3A11

34. Which region of the atmosphere can refract or bend HF and VHF radio waves?

• A. The stratosphere
• B. The troposphere
• C. The mesosphere
• D. The ionosphere

T1F02

35. How often must you identify with your FCC-assigned call sign when using tactical call signs such as "Race Headquarters"?

• A. At the end of every transmission
• B. At the end of each communication and every ten minutes during a communication
• C. Once during every hour
• D. Never, the tactical call is sufficient