Practice Exam

T5A09

1. Which of the following describes alternating current?

• A. Current that alternates between a positive direction and zero
• B. Current that alternates between positive and negative directions
• C. All these answers are correct
• D. Current that alternates between a negative direction and zero

T1E05

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

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

T6B11

3. What is the term that describes a device's ability to amplify a signal?

• A. Forward voltage drop
• B. On resistance
• C. Forward resistance
• D. Gain

T5C04

4. What is the unit of inductance?

• A. The ohm
• B. The farad
• C. The coulomb
• D. The henry

T6C02

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

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

T1A06

6. What is the FCC Part 97 definition of a beacon?

• A. An amateur station transmitting communications for the purposes of observing propagation or related experimental activities
• B. A bulletin sent by the FCC to announce a national emergency
• C. A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
• D. A government transmitter marking the amateur radio band edges

T2C11

7. What is meant by "check" in a radiogram header?

• A. A list of stations that have relayed the message
• B. A box on the message form that indicates that the message was received and/or relayed
• C. The call sign of the originating station
• D. The number of words or word equivalents in the text portion of the message

T1D03

8. When is it permissible to transmit messages encoded to obscure their meaning?

• A. Only when transmitting control commands to space stations or radio control craft
• B. Only during contests
• C. Only when transmitting certain approved digital codes
• D. Never

T1F05

9. What method of call sign identification is required for a station transmitting phone signals?

• A. Send the call sign using only a phone emission
• B. Send the call sign using a CW or phone emission
• C. Send the call sign followed by the indicator R
• D. Send the call sign followed by the indicator RPT

T9A05

10. Which of the following increases the resonant frequency of a dipole antenna?

• A. Adding capacitive loading to the ends of the radiating wires
• B. Shortening it
• C. Lengthening it
• D. Inserting coils in series with radiating wires

T2B06

11. What type of signaling uses pairs of audio tones?

• A. CTCSS
• B. GPRS
• C. DTMF
• D. D-STAR

T7A02

12. What is a transceiver?

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

T7C11

13. What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

• A. It cannot be used for VHF or UHF antennas
• B. It requires special techniques to prevent moisture in the cable
• C. It cannot be used at below freezing temperatures
• D. It has more loss per foot

T1B07

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

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

T9B06

15. Which of the following RF connector types is most suitable for frequencies above 400 MHz?

• A. Type N
• B. RS-213
• C. UHF (PL-259/SO-239)
• D. DB-25

T5B02

16. Which is equal to 1,500,000 hertz?

• A. 150 kHz
• B. 1500 kHz
• C. 1500 MHz
• D. 15 GHz

T8D08

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

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

T8A03

18. Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

• A. SSB
• B. PM
• C. FM
• D. DRM

T4B08

19. What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

• A. Increases the number of frequencies that can be stored in memory
• B. Permits noise or interference reduction by selecting a bandwidth matching the mode
• C. Increases the amount of offset between receive and transmit frequencies
• D. Permits monitoring several modes at once by selecting a separate filter for each mode

T0A05

20. Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

• A. The power supply ripple would greatly increase
• B. The larger fuse would be likely to blow because it is rated for higher current
• C. All these choices are correct
• D. Excessive current could cause a fire

T8B06

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

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

T3B05

22. What is the relationship between wavelength and frequency?

• A. Wavelength and frequency are unrelated
• B. Wavelength gets longer as frequency increases
• C. Wavelength and frequency increase as path length increases
• D. Wavelength gets shorter as frequency increases

T6D07

23. Which of the following is commonly used as a visual indicator?

• A. FET
• B. Bipolar transistor
• C. Zener diode
• D. LED

T3C10

24. Which of the following bands may provide long-distance communications via the ionosphere's F region during the peak of the sunspot cycle?

• A. 6 and 10 meters
• B. 23 centimeters
• C. 70 centimeters and 1.25 meters
• D. All these choices are correct

T0C02

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

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

T7B01

26. What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

• A. Change to a higher power level
• B. Let the transceiver cool off
• C. Talk louder into the microphone
• D. Talk farther away from the microphone

T4A06

27. What signals are used in a computer-radio interface for digital mode operation?

• A. Receive audio, transmit audio, and transmitter keying
• B. Antenna and RF power
• C. NMEA GPS location and DC power
• D. Receive and transmit mode, status, and location

T0B11

28. Which of the following establishes grounding requirements for an amateur radio tower or antenna?

• A. FAA tower lighting regulations
• B. Local electrical codes
• C. UL recommended practices
• D. FCC Part 97 rules

T1C02

29. Who may select a desired call sign under the vanity call sign rules?

• A. Only a licensed amateur with an Amateur Extra Class license
• B. Only a licensed amateur with a General or Amateur Extra Class license
• C. Any licensed amateur
• D. Only a licensed amateur who has been licensed continuously for more than 10 years

T7D01

30. Which instrument would you use to measure electric potential?

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

T8C05

31. What is a grid locator?

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

T2A05

32. How should you respond to a station calling CQ?

• A. Transmit your call sign followed by the other station's call sign
• B. Transmit "CQ" followed by the other station's call sign
• C. Transmit a signal report followed by your call sign
• D. Transmit the other station's call sign followed by your call sign

T5D02

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

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

T6A06

34. What type of electrical component stores energy in a magnetic field?

• A. Capacitor
• B. Varistor
• C. Inductor
• D. Diode

T3A02

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

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