Practice Exam

T0B08

1. Which is a proper grounding method for a tower?

• A. Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
• B. A ferrite-core RF choke connected between the tower and ground
• C. A connection between the tower base and a cold water pipe
• D. A single four-foot ground rod, driven into the ground no more than 12 inches from the base

T5D13

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

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

T1E10

3. Which of the following is an example of remote control as defined in Part 97?

• A. Repeater operation
• B. Controlling a model aircraft, boat, or car by amateur radio
• C. Operating the station over the internet
• D. All these choices are correct

T9B05

4. What happens as the frequency of a signal in coaxial cable is increased?

• A. The loss increases
• B. The characteristic impedance increases
• C. The loss decreases
• D. The characteristic impedance decreases

T5B09

5. Which decibel value most closely represents a power increase from 5 watts to 10 watts?

• A. 2 dB
• B. 3 dB
• C. 10 dB
• D. 5 dB

T1F02

6. 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

T6D04

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

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

T5C12

8. What is impedance?

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

T3C09

9. What is generally the best time for long-distance 10 meter band propagation via the F region?

• A. From shortly after sunset to dawn during periods of low sunspot activity
• B. From dawn to shortly after sunset during periods of low sunspot activity
• C. From dawn to shortly after sunset during periods of high sunspot activity
• D. From shortly after sunset to dawn during periods of high sunspot activity

T7B01

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

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

T4A07

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

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

T3B10

12. What frequency range is referred to as HF?

• A. 300 to 3000 MHz
• B. 3 to 30 MHz
• C. 30 to 300 MHz
• D. 300 to 3000 kHz

T2C10

13. What information is contained in the preamble of a formal traffic message?

• A. The telephone number of the addressee
• B. Information needed to track the message
• C. The address of the intended recipient
• D. The email address of the originating station

T1B02

14. Which amateurs may contact the International Space Station (ISS) on VHF bands?

• A. Any amateur holding a Technician class or higher license
• B. Any amateur holding a General class or higher license
• C. Any amateur holding a Technician class or higher license who has applied for and received approval from NASA
• D. Any amateur holding a General class or higher license who has applied for and received approval from NASA

T8C01

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

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

T6A08

16. What is the function of an SPDT switch?

• A. A single circuit is switched between one of two other circuits
• B. Two circuits are opened or closed
• C. A single circuit is opened or closed
• D. Two circuits are each switched between one of two other circuits

T7D09

17. What is the characteristic appearance of a cold tin-lead solder joint?

• A. Excessive solder
• B. A rough or lumpy surface
• C. A bright or shiny surface
• D. Dark black spots

T9A07

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

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

T8A09

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

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

T0A10

20. What hazard is caused by charging or discharging a battery too quickly?

• A. Overheating or out-gassing
• B. Inverse memory effect
• C. Half-wave rectification
• D. Excess output ripple

T1C08

21. What is the normal term for an FCC-issued amateur radio license?

• A. Ten years
• B. Eight years
• C. Five years
• D. Life

T4B01

22. What is the effect of excessive microphone gain on SSB transmissions?

• A. All these choices are correct
• B. Increased SWR
• C. Frequency instability
• D. Distorted transmitted audio

T8B02

23. What is the impact of using excessive effective radiated power on a satellite uplink?

• A. Overloading the satellite batteries
• B. Possibility of commanding the satellite to an improper mode
• C. Possibility of rebooting the satellite control computer
• D. Blocking access by other users

T6C01

24. What is the name of an electrical wiring diagram that uses standard component symbols?

• A. Connector pinout
• B. Flow chart
• C. Schematic
• D. Bill of materials

T5A01

25. Electrical current is measured in which of the following units?

• A. Ohms
• B. Watts
• C. Volts
• D. Amperes

T6B04

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

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

T2B04

27. Which of the following could be the reason you are unable to access a repeater whose output you can hear?

• A. You are using the wrong DCS code
• B. You are using the wrong CTCSS tone
• C. All these choices are correct
• D. Improper transceiver offset

T1A01

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

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

T3A03

29. What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

• A. Vertical
• B. Right-hand circular
• C. Left-hand circular
• D. Horizontal

T0C11

30. What is the definition of duty cycle during the averaging time for RF exposure?

• A. The difference between the lowest power output and the highest power output of a transmitter
• B. The percentage of time that a transmitter is not transmitting
• C. The difference between the PEP and average power output of a transmitter
• D. The percentage of time that a transmitter is transmitting

T1D09

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

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

T2A09

32. Which of the following indicates that a station is listening on a repeater and looking for a contact?

• A. The station's call sign followed by the word "monitoring"
• B. "QSY" followed by your call sign
• C. The repeater call sign followed by the station's call sign
• D. "CQ CQ" followed by the repeater's call sign

T7A05

33. What is the name of a circuit that generates a signal at a specific frequency?

• A. Phase modulator
• B. Low-pass filter
• C. Reactance modulator
• D. Oscillator

T8D13

34. What is FT8?

• A. A digital mode capable of low signal-to-noise operation
• B. A digital slow-scan TV mode with forward error correction and automatic color compensation
• C. An eight channel multiplex mode for FM repeaters
• D. A wideband FM voice mode

T7C09

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

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