Practice Exam

T8A12

1. Which of the following is a disadvantage of FM compared with single sideband?

• A. FM signals are harder to tune
• B. All these choices are correct
• C. Voice quality is poorer
• D. Only one signal can be received at a time

T1F01

2. When must the station and its records be available for FCC inspection?

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

T9A12

3. What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

• A. It has more gain than a 1/4-wavelength antenna
• B. It eliminates distortion caused by reflected signals
• C. It has 10 times the power gain of a 1/4 wavelength whip
• D. It radiates at a very high angle

T0C07

4. What hazard is created by touching an antenna during a transmission?

• A. All these choices are correct
• B. Radiation poisoning
• C. Electrocution
• D. RF burn to skin

T8B07

5. What is Doppler shift in reference to satellite communications?

• A. A mode where the satellite receives signals on one band and transmits on another
• B. A special digital communications mode for some satellites
• C. A change in the satellite orbit
• D. An observed change in signal frequency caused by relative motion between the satellite and Earth station

T3C05

6. Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

• A. Doppler shift
• B. Faraday rotation
• C. Knife-edge diffraction
• D. Quantum tunneling

T8C01

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

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

T7C02

8. Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

• A. A VTVM
• B. A frequency counter
• C. An antenna analyzer
• D. A Q meter

T7D07

9. Which of the following measurements are made using a multimeter?

• A. Impedance and reactance
• B. Voltage and resistance
• C. All these choices are correct
• D. Signal strength and noise

T2B10

10. Which Q signal indicates that you are receiving interference from other stations?

• A. QTH
• B. QRN
• C. QRM
• D. QSB

T9B12

11. What is standing wave ratio (SWR)?

• A. An indication of the quality of your station's ground connection
• B. The transmitter efficiency ratio
• C. The ratio of amplifier power output to input
• D. A measure of how well a load is matched to a transmission line

T1C01

12. For which license classes are new licenses currently available from the FCC?

• A. Novice, Technician, General, Amateur Extra
• B. Technician, Technician Plus, General, Amateur Extra
• C. Novice, Technician Plus, General, Advanced
• D. Technician, General, Amateur Extra

T2A01

13. What is a common repeater frequency offset in the 2 meter band?

• A. Plus or minus 500 kHz
• B. Plus or minus 1 MHz
• C. Plus or minus 5 MHz
• D. Plus or minus 600 kHz

T8D01

14. Which of the following is a digital communications mode?

• A. IEEE 802.11
• B. All these choices are correct
• C. FT8
• D. Packet radio

T7B06

15. Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?

• A. Immediately turn off your transmitter and contact the nearest FCC office for assistance
• B. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
• C. Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
• D. All these choices are correct

T0A12

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

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

T6D03

17. Which of the following is a reason to use shielded wire?

• A. To couple the wire to other signals
• B. To decrease the resistance of DC power connections
• C. To increase the current carrying capability of the wire
• D. To prevent coupling of unwanted signals to or from the wire

T0B02

18. What is required when climbing an antenna tower?

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

T7A10

19. What device increases the transmitted output power from a transceiver?

• A. An impedance network
• B. All these choices are correct
• C. A voltage divider
• D. An RF power amplifier

T5A03

20. What is the name for the flow of electrons in an electric circuit?

• A. Voltage
• B. Current
• C. Capacitance
• D. Resistance

T1E08

21. Which of the following is an example of automatic control?

• A. Repeater operation
• B. Controlling a station over the internet
• C. Using a computer or other device to send CW automatically
• D. Using a computer or other device to identify automatically

T6C08

22. What is component 9 in figure T-2?

• A. Variable resistor
• B. Variable inductor
• C. Variable transformer
• D. Variable capacitor

T4A07

23. Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

• A. Computer "line out" to transceiver speaker connector
• B. Computer "line out" to transceiver push-to-talk
• C. Computer "line in" to transceiver push-to-talk
• D. Computer "line in" to transceiver speaker connector

T5D09

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

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

T5C06

25. What does the abbreviation "RF" mean?

• A. The resonant frequency of a tuned circuit
• B. Radio frequency signals of all types
• C. The real frequency transmitted as opposed to the apparent frequency
• D. Reflective force in antenna transmission lines

T5B07

26. Which is equal to 3.525 MHz?

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

T1B11

27. What is the maximum peak envelope power output for Technician class operators in their HF band segments?

• A. 50 watts
• B. 10 watts
• C. 200 watts
• D. 100 watts

T2C11

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

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

T1D07

29. What types of amateur stations can automatically retransmit the signals of other amateur stations?

• A. Beacon, repeater, or space stations
• B. Auxiliary, beacon, or Earth stations
• C. Earth, repeater, or space stations
• D. Repeater, auxiliary, or space stations

T4B07

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

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

T1A01

31. Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

• A. Providing personal radio communications for as many citizens as possible
• B. Advancing skills in the technical and communication phases of the radio art
• C. Providing communications for international non-profit organizations
• D. All these choices are correct

T6A04

32. What electrical component stores energy in an electric field?

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

T3B04

33. What is the velocity of a radio wave traveling through free space?

• A. Speed that increases as the frequency increases
• B. Speed of light
• C. Speed inversely proportional to its wavelength
• D. Speed of sound

T3A12

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

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

T6B10

35. Which of the following can provide power gain?

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