Practice Exam

T6D04

1. Which of the following displays an electrical quantity as a numeric value?

• A. Meter
• B. Potentiometer
• C. Relay
• D. Transistor

T9A02

2. Which of the following describes a type of antenna loading?

• A. Electrically lengthening by inserting inductors in radiating elements
• B. Inserting a resistor in the radiating portion of the antenna to make it resonant
• C. Strengthening the radiating elements of a beam antenna to better resist wind damage
• D. Installing a spring in the base of a mobile vertical antenna to make it more flexible

T1B10

3. Where may SSB phone be used in amateur bands above 50 MHz?

• A. Only on repeaters
• B. On any band if the power is limited to 25 watts
• C. In at least some segment of all these bands
• D. Only in sub-bands allocated to General class or higher licensees

T1E02

4. Who may be the control operator of a station communicating through an amateur satellite or space station?

• A. A General class or higher licensee with a satellite operator certification
• B. Any amateur allowed to transmit on the satellite uplink frequency
• C. Only an Amateur Extra Class operator who is also an AMSAT member
• D. Only an Amateur Extra Class operator

T1C05

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

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

T9B12

6. What is standing wave ratio (SWR)?

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

T5A05

7. What is the electrical term for the force that causes electron flow?

• A. Ampere-hours
• B. Inductance
• C. Voltage
• D. Capacitance

T7D02

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

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

T0C05

9. Why do exposure limits vary with frequency?

• A. Lower frequency RF fields have more energy than higher frequency fields
• B. The human body absorbs more RF energy at some frequencies than at others
• C. Higher frequency RF fields are transient in nature
• D. Lower frequency RF fields do not penetrate the human body

T1F01

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

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

T8D03

11. What kind of data can be transmitted by APRS?

• A. Weather data
• B. Text messages
• C. All these choices are correct
• D. GPS position data

T4A01

12. Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

• A. 13.8 volts at 12 amperes
• B. 13.8 volts at 4 amperes
• C. 24.0 volts at 12 amperes
• D. 24.0 volts at 4 amperes

T2C04

13. What is RACES?

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

T4B08

14. 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

T6C05

15. What is component 4 in figure T-1?

• A. Transistor
• B. Ground symbol
• C. Resistor
• D. Battery

T5D12

16. What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

• A. 12 volts
• B. 20 volts
• C. 0.2 volts
• D. 8 volts

T3B03

17. What are the two components of a radio wave?

• A. Electric and magnetic fields
• B. Impedance and reactance
• C. Voltage and current
• D. Ionizing and non-ionizing radiation

T7C06

18. What does an SWR reading of 4:1 indicate?

• A. Gain of +4 dB
• B. Impedance mismatch
• C. Loss of -4 dB
• D. Good impedance match

T1A08

19. Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

• A. Volunteer Frequency Coordinator recognized by local amateurs
• B. FCC Regional Field Office
• C. Frequency Spectrum Manager appointed by the FCC
• D. International Telecommunication Union

T2B03

20. Which of the following describes a linked repeater network?

• A. A system of repeaters linked by APRS
• B. Multiple repeaters with the same control operator
• C. A single repeater with more than one receiver
• D. A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network

T5C05

21. What is the unit of impedance?

• A. The ohm
• B. The ampere
• C. The coulomb
• D. The volt

T8A05

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

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

T8B08

23. What is meant by the statement that a satellite is operating in U/V mode?

• A. The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
• B. The satellite frequencies are usually variable
• C. The satellite operates using ultraviolet frequencies
• D. The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band

T7A06

24. What device converts the RF input and output of a transceiver to another band?

• A. Low-pass filter
• B. Transverter
• C. Phase converter
• D. High-pass filter

T0B09

25. Why should you avoid attaching an antenna to a utility pole?

• A. All these choices are correct
• B. The antenna could contact high-voltage power lines
• C. The 60 Hz radiations from the feed line may increase the SWR
• D. The antenna will not work properly because of induced voltages

T7B08

26. What should you do if something in a neighbor's home is causing harmful interference to your amateur station?

• A. Work with your neighbor to identify the offending device
• B. Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
• C. All these choices are correct
• D. Make sure your station meets the standards of good amateur practice

T6B05

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

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

T3C07

28. What band is best suited for communicating via meteor scatter?

• A. 6 meters
• B. 33 centimeters
• C. 70 centimeters
• D. 2 meters

T0A04

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

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

T8C03

30. What operating activity involves contacting as many stations as possible during a specified period?

• A. Net operations
• B. Contesting
• C. Public service events
• D. Simulated emergency exercises

T5B13

31. Which is equal to 2425 MHz?

• A. 24.25 GHz
• B. 0.002425 GHz
• C. 2425 GHz
• D. 2.425 GHz

T2A08

32. What is the meaning of the procedural signal "CQ"?

• A. Call on the quarter hour
• B. Calling any station
• C. Test transmission, no reply expected
• D. Only the called station should transmit

T6A07

33. What electrical component is typically constructed as a coil of wire?

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

T3A04

34. What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

• A. Signals have an echo effect
• B. Received signal strength is reduced
• C. The modulation sidebands might become inverted
• D. Nothing significant will happen

T1D09

35. When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

• A. Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
• B. Never
• C. When such communications are directly related to the immediate safety of human life or protection of property
• D. When broadcasting communications to or from the space shuttle