Practice Exam

T1B10

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

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

T2A05

2. How should you respond to a station calling CQ?

• A. Transmit the other station's call sign followed by your call sign
• B. Transmit a signal report followed by your call sign
• C. Transmit "CQ" followed by the other station's call sign
• D. Transmit your call sign followed by the other station's call sign

T2C11

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

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

T8B11

4. Who may receive telemetry from a space station?

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

T3C09

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

T1D08

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

• A. All these choices are correct
• 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. When the communication is made to obtain emergency information for a local broadcast station

T6D09

7. What is the name of a device that combines several semiconductors and other components into one package?

• A. Transformer
• B. Transducer
• C. Multi-pole relay
• D. Integrated circuit

T5D03

8. What formula is used to calculate resistance in a circuit?

• A. R = E / I
• B. R = E - I
• C. R = E + I
• D. R = E x I

T5B13

9. Which is equal to 2425 MHz?

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

T5A09

10. Which of the following describes alternating current?

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

T7D11

11. Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

• A. Ensure that the circuit is not powered
• B. Ensure that the circuit is operating at the correct frequency
• C. Ensure that the applied voltages are correct
• D. Ensure that the circuit is grounded

T9B12

12. 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

T3A03

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

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

T8A01

14. Which of the following is a form of amplitude modulation?

• A. Packet radio
• B. Phase shift keying (PSK)
• C. Spread spectrum
• D. Single sideband

T7C11

15. What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

• A. It has more loss per foot
• B. It cannot be used for VHF or UHF antennas
• C. It requires special techniques to prevent moisture in the cable
• D. It cannot be used at below freezing temperatures

T6C02

16. What is component 1 in figure T-1?

• A. Transistor
• B. Resistor
• C. Battery
• D. Connector

T8D04

17. What type of transmission is indicated by the term "NTSC?"

• A. A special mode for satellite uplink
• B. A Normal Transmission mode in Static Circuit
• C. An analog fast-scan color TV signal
• D. A frame compression scheme for TV signals

T7B10

18. What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

• A. Your transmitter is slightly off frequency
• B. Your batteries are running low
• C. You are in a bad location
• D. All these choices are correct

T7A09

19. What is the function of the SSB/CW-FM switch on a VHF power amplifier?

• A. Change the mode of the transmitted signal
• B. Change the frequency range of the amplifier to operate in the proper segment of the band
• C. Set the amplifier for proper operation in the selected mode
• D. Reduce the received signal noise

T3B11

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

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

T0A06

21. What is a good way to guard against electrical shock at your station?

• A. All these choices are correct
• B. Connect all AC powered station equipment to a common safety ground
• C. Install mechanical interlocks in high-voltage circuits
• D. Use three-wire cords and plugs for all AC powered equipment

T4B06

22. Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

• A. The bandwidth selection
• B. The RIT or Clarifier
• C. The AGC or limiter
• D. The tone squelch

T0C12

23. How does RF radiation differ from ionizing radiation (radioactivity)?

• A. RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
• B. RF radiation is perfectly safe
• C. RF radiation can only be detected with an RF dosimeter
• D. RF radiation is limited in range to a few feet

T6A02

24. What type of component is often used as an adjustable volume control?

• A. Potentiometer
• B. Fixed resistor
• C. Transformer
• D. Power resistor

T9A06

25. Which of the following types of antenna offers the greatest gain?

• A. Isotropic
• B. 5/8 wave vertical
• C. J pole
• D. Yagi

T1A07

26. What is the FCC Part 97 definition of a space station?

• A. A manned satellite orbiting Earth
• B. Any satellite orbiting Earth
• C. An amateur station using amateur radio satellites for relay of signals
• D. An amateur station located more than 50 km above Earth's surface

T4A09

27. How can you determine the length of time that equipment can be powered from a battery?

• A. Divide the battery ampere-hour rating by the average current draw of the equipment
• B. Multiply the square of the current rating of the battery by the input resistance of the equipment
• C. Multiply the watts per hour consumed by the equipment by the battery power rating
• D. Divide the watt-hour rating of the battery by the peak power consumption of the equipment

T1F01

28. 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. Only when presented with a valid warrant by an FCC official or government agent
• D. At any time upon request by an FCC representative

T2B07

29. How can you join a digital repeater's "talkgroup"?

• A. Join the repeater owner's club
• B. Register your radio with the local FCC office
• C. Program your radio with the group's ID or code
• D. Sign your call after the courtesy tone

T5C08

30. What is the formula used to calculate electrical power (P) in a DC circuit?

• A. P = E - I
• B. P = E + I
• C. P = E / I
• D. P = E * I

T6B11

31. What is the term that describes a device's ability to amplify a signal?

• A. Forward resistance
• B. On resistance
• C. Forward voltage drop
• D. Gain

T8C04

32. Which of the following is good procedure when contacting another station in a contest?

• A. Sign only the last two letters of your call if there are many other stations calling
• B. All these choices are correct
• C. Send only the minimum information needed for proper identification and the contest exchange
• D. Contact the station twice to be sure that you are in his log

T1E06

33. 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. As part of a multi-operator contest team
• D. When using a club station whose trustee holds an Amateur Extra Class license

T1C05

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

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

T0B05

35. What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

• A. Secure the guy line if the turnbuckle breaks
• B. Prevent loosening of the turnbuckle from vibration
• C. Provide a ground path for lightning strikes
• D. Provide an ability to measure for proper tensioning