Practice Exam

T1A01

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

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

T1F01

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

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

T9A07

3. What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

• A. Signal strength is reduced due to the shielding effect of the vehicle
• B. All these choices are correct
• C. The bandwidth of the antenna will decrease, increasing SWR
• D. The SWR might decrease, decreasing the signal strength

T7A01

4. Which term describes the ability of a receiver to detect the presence of a signal?

• A. Linearity
• B. Selectivity
• C. Sensitivity
• D. Total Harmonic Distortion

T3C11

5. Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

• A. Radio waves are not blocked by dust particles
• B. The atmosphere refracts radio waves slightly
• C. Radio waves are blocked by dust particles
• D. Radio signals move somewhat faster than the speed of light

T3B01

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

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

T6D08

7. Which of the following is combined with an inductor to make a resonant circuit?

• A. Capacitor
• B. Zener diode
• C. Resistor
• D. Potentiometer

T1E06

8. When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

• A. At no time
• B. As part of a multi-operator contest team
• C. When designated as the control operator by an Amateur Extra Class licensee
• D. When using a club station whose trustee holds an Amateur Extra Class license

T5B07

9. Which is equal to 3.525 MHz?

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

T1D08

10. In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

• A. When the communication is made to obtain emergency information for a local broadcast station
• B. When the communication is incidental to classroom instruction at an educational institution
• C. When the communication is related to the sale of amateur equipment by the control operator's employer
• D. All these choices are correct

T4A11

11. Where should the negative power return of a mobile transceiver be connected in a vehicle?

• A. At the antenna mount
• B. Through the transceiver's mounting bracket
• C. To any metal part of the vehicle
• D. At the 12 volt battery chassis ground

T0C10

12. Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

• A. It takes into account the antenna feed line loss
• B. It takes into account the thermal effects of the final amplifier
• C. It affects the average exposure to radiation
• D. It affects the peak exposure to radiation

T0A11

13. What hazard exists in a power supply immediately after turning it off?

• A. Charge stored in filter capacitors
• B. Circulating currents in the dc filter
• C. Leakage flux in the power transformer
• D. Voltage transients from kickback diodes

T0B10

14. Which of the following is true when installing grounding conductors used for lightning protection?

• A. Sharp bends must be avoided
• B. Wires must be carefully routed with precise right-angle bends
• C. Use only non-insulated wire
• D. Common grounds must be avoided

T7B03

15. Which of the following can cause radio frequency interference?

• A. Spurious emissions
• B. All these choices are correct
• C. Harmonics
• D. Fundamental overload

T2A07

16. What is meant by "repeater offset"?

• A. The difference between a repeater's transmit and receive frequencies
• B. The number of simultaneous transmit frequencies used by a repeater
• C. The repeater has a time delay to prevent interference
• D. The repeater station identification is done on a separate frequency

T8B06

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

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

T7C09

18. Which of the following causes failure of coaxial cables?

• A. Solder flux contamination
• B. Rapid fluctuation in transmitter output power
• C. Operation at 100% duty cycle for an extended period
• D. Moisture contamination

T8C01

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

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

T5A04

20. What are the units of electrical resistance?

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

T2C06

21. What is the Amateur Radio Emergency Service (ARES)?

• A. A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
• B. A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
• C. A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
• D. A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency

T2B01

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

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

T6C09

23. What is component 4 in figure T-2?

• A. Transformer
• B. Double-pole switch
• C. Variable inductor
• D. Potentiometer

T5D05

24. What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

• A. 0.125 ohms
• B. 18 ohms
• C. 13.5 ohms
• D. 8 ohms

T1B04

25. Which amateur band includes 146.52 MHz?

• A. 2 meters
• B. 20 meters
• C. 6 meters
• D. 70 centimeters

T8D01

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

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

T4B03

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

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

T6A04

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

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

T1C05

29. Which of the following is a valid Technician class call sign format?

• A. All these choices are correct
• B. KF1XXX
• C. KA1X
• D. W1XX

T3A05

30. 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. Increase the antenna SWR
• B. Change from vertical to horizontal polarization
• C. Try the long path
• D. Try to find a path that reflects signals to the repeater

T9B04

31. What is the major function of an antenna tuner (antenna coupler)?

• A. It helps a receiver automatically tune in weak stations
• B. It matches the antenna system impedance to the transceiver's output impedance
• C. It allows an antenna to be used on both transmit and receive
• D. It automatically selects the proper antenna for the frequency band being used

T5C07

32. What is the abbreviation for megahertz?

• A. mh
• B. MH
• C. Mhz
• D. MHz

T8A05

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

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

T7D04

34. Which instrument is used to measure electric current?

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

T6B05

35. What type of transistor has a gate, drain, and source?

• A. Field-effect
• B. Bipolar junction
• C. Varistor
• D. Tesla-effect