Practice Exam

T1B02

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

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

T1F09

2. What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

• A. Beacon station
• B. Repeater station
• C. Earth station
• D. Message forwarding station

T6B01

3. Which is true about forward voltage drop in a diode?

• A. It is lower in some diode types than in others
• B. It indicates that the diode is defective
• C. It has no impact on the voltage delivered to the load
• D. It is proportional to peak inverse voltage

T4A06

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

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

T2A07

5. What is meant by "repeater offset"?

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

T8C06

6. How is over the air access to IRLP nodes accomplished?

• A. By using DTMF signals
• B. By entering the proper internet password
• C. By obtaining a password that is sent via voice to the node
• D. By using CTCSS tone codes

T7C02

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

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

T2C11

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

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

T8D13

9. What is FT8?

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

T1D09

10. 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. When broadcasting communications to or from the space shuttle
• C. Never
• D. When such communications are directly related to the immediate safety of human life or protection of property

T1E06

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

T7A10

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

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

T1A05

13. What proves that the FCC has issued an operator/primary license grant?

• A. An email notification from the NCVEC granting the license
• B. A printed copy of the certificate of successful completion of examination
• C. All these choices are correct
• D. The license appears in the FCC ULS database

T0B04

14. Which of the following is an important safety precaution to observe when putting up an antenna tower?

• A. Look for and stay clear of any overhead electrical wires
• B. Wear a ground strap connected to your wrist at all times
• C. Insulate the base of the tower to avoid lightning strikes
• D. All these choices are correct

T8A04

15. Which type of modulation is commonly used for VHF and UHF voice repeaters?

• A. PSK
• B. SSB
• C. FM or PM
• D. AM

T1C07

16. Which of the following can result in revocation of the station license or suspension of the operator license?

• A. Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
• B. Failure to obtain FCC type acceptance prior to using a home-built transmitter
• C. Failure to have a copy of your license available at your station
• D. Failure to provide and maintain a correct email address with the FCC

T8B11

17. Who may receive telemetry from a space station?

• A. A licensed radio amateur with a transmitter equipped for interrogating the satellite
• B. Anyone
• C. A licensed radio amateur who has registered for an access code from AMSAT
• D. A licensed radio amateur who has been certified by the protocol developer

T5A09

18. Which of the following describes alternating current?

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

T5B09

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

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

T6D01

20. Which of the following devices or circuits changes an alternating current into a varying direct current signal?

• A. Reflector
• B. Amplifier
• C. Transformer
• D. Rectifier

T4B02

21. Which of the following can be used to enter a transceiver's operating frequency?

• A. The keypad or VFO knob
• B. The CTCSS or DTMF encoder
• C. The Automatic Frequency Control
• D. All these choices are correct

T3B11

22. What is the approximate velocity of a radio wave in free space?

• A. 300,000,000 meters per second
• B. 150,000 miles per hour
• C. 300,000,000 miles per hour
• D. 150,000 meters per second

T5C07

23. What is the abbreviation for megahertz?

• A. MH
• B. MHz
• C. Mhz
• D. mh

T7B09

24. What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

• A. Be sure all TV feed line coaxial connectors are installed properly
• B. Add a preamplifier to the TV antenna input
• C. Add a low-pass filter to the TV antenna input
• D. Add a high-pass filter to the TV antenna input

T9B07

25. Which of the following is true of PL-259 type coax connectors?

• A. They are watertight
• B. They are a bayonet-type connector
• C. They are commonly used at HF and VHF frequencies
• D. They are preferred for microwave operation

T3A12

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

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

T0C03

27. How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

• A. It increases by a factor of 3
• B. There is no adjustment allowed for lower duty cycle
• C. It decreases by 50 percent
• D. It increases by a factor of 2

T9A09

28. What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

• A. 112
• B. 236
• C. 50
• D. 6

T7D06

29. Which of the following can damage a multimeter?

• A. Attempting to measure voltage when using the resistance setting
• B. Attempting to measure resistance using the voltage setting
• C. Not allowing it to warm up properly
• D. Failing to connect one of the probes to ground

T3C03

30. What is a characteristic of VHF signals received via auroral backscatter?

• A. They occur only during winter nighttime hours
• B. They are often received from 10,000 miles or more
• C. They are distorted and signal strength varies considerably
• D. They are generally strongest when your antenna is aimed west

T0A04

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

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

T6C12

32. Which of the following is accurately represented in electrical schematics?

• A. All these choices are correct
• B. Wire lengths
• C. Physical appearance of components
• D. Component connections

T5D13

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

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

T6A10

34. Which of the following battery chemistries is rechargeable?

• A. Lithium-ion
• B. Nickel-metal hydride
• C. Lead-acid
• D. All these choices are correct

T2B10

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

• A. QSB
• B. QRM
• C. QTH
• D. QRN