Practice Exam

T8D03

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

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

T1A02

2. Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

• A. All these choices are correct
• B. FEMA
• C. The FCC
• D. Homeland Security

T4A12

3. What is an electronic keyer?

• A. An interlock to prevent unauthorized use of a radio
• B. A device for voice activated switching from receive to transmit
• C. A device that assists in manual sending of Morse code
• D. A device for switching antennas from transmit to receive

T5B11

4. Which decibel value represents a power increase from 20 watts to 200 watts?

• A. 18 dB
• B. 12 dB
• C. 28 dB
• D. 10 dB

T9A06

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

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

T7D01

6. Which instrument would you use to measure electric potential?

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

T1D03

7. When is it permissible to transmit messages encoded to obscure their meaning?

• A. Only when transmitting certain approved digital codes
• B. Only when transmitting control commands to space stations or radio control craft
• C. Never
• D. Only during contests

T4B04

8. What is a way to enable quick access to a favorite frequency or channel on your transceiver?

• A. Use the scan mode to select the desired frequency
• B. Store it in a memory channel
• C. Enable the VOX
• D. Enable the frequency offset

T7B07

9. Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

• A. Installing an RF preamplifier
• B. Using double-shielded coaxial cable
• C. Installing a band-reject filter
• D. Installing bypass capacitors on the microphone cable

T7C07

10. What happens to power lost in a feed line?

• A. It increases the SWR
• B. It distorts the signal
• C. It is radiated as harmonics
• D. It is converted into heat

T6D09

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

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

T5A05

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

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

T0C02

13. At which of the following frequencies does maximum permissible exposure have the lowest value?

• A. 3.5 MHz
• B. 1296 MHz
• C. 440 MHz
• D. 50 MHz

T1F02

14. How often must you identify with your FCC-assigned call sign when using tactical call signs such as "Race Headquarters"?

• A. Never, the tactical call is sufficient
• B. Once during every hour
• C. At the end of every transmission
• D. At the end of each communication and every ten minutes during a communication

T3A04

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

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

T1B04

16. Which amateur band includes 146.52 MHz?

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

T3B08

17. What frequency range is referred to as VHF?

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

T1E06

18. 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

T5D07

19. What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

• A. 1.5 amperes
• B. 0.667 amperes
• C. 200 amperes
• D. 9600 amperes

T0A09

20. What should be done to all external ground rods or earth connections?

• A. Waterproof them with silicone caulk or electrical tape
• B. Keep them as far apart as possible
• C. Tune them for resonance on the lowest frequency of operation
• D. Bond them together with heavy wire or conductive strap

T7A10

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

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

T6C12

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

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

T2C08

23. Which of the following is a characteristic of good traffic handling?

• A. Making decisions as to whether messages are worthy of relay or delivery
• B. All these choices are correct
• C. Ensuring that any newsworthy messages are relayed to the news media
• D. Passing messages exactly as received

T8A09

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

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

T9B06

25. Which of the following RF connector types is most suitable for frequencies above 400 MHz?

• A. Type N
• B. UHF (PL-259/SO-239)
• C. RS-213
• D. DB-25

T3C08

26. What causes tropospheric ducting?

• A. Sunspots and solar flares
• B. Temperature inversions in the atmosphere
• C. Discharges of lightning during electrical storms
• D. Updrafts from hurricanes and tornadoes

T6B06

27. How is the cathode lead of a semiconductor diode often marked on the package?

• A. With the word "cathode"
• B. With the letter K
• C. With the letter C
• D. With a stripe

T8C11

28. What is an amateur radio station that connects other amateur stations to the internet?

• A. A gateway
• B. A beacon
• C. A repeater
• D. A digipeater

T2B10

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

• A. QTH
• B. QRN
• C. QSB
• D. QRM

T5C03

30. What describes the ability to store energy in a magnetic field?

• A. Admittance
• B. Resistance
• C. Inductance
• D. Capacitance

T1C09

31. What is the grace period for renewal if an amateur license expires?

• A. Five years
• B. Two years
• C. Ten years
• D. Three years

T8B01

32. What telemetry information is typically transmitted by satellite beacons?

• A. Time of day accurate to plus or minus 1/10 second
• B. All these choices are correct
• C. Health and status of the satellite
• D. The signal strength of received signals

T2A01

33. What is a common repeater frequency offset in the 2 meter band?

• A. Plus or minus 1 MHz
• B. Plus or minus 600 kHz
• C. Plus or minus 5 MHz
• D. Plus or minus 500 kHz

T0B07

34. Which of the following is an important safety rule to remember when using a crank-up tower?

• A. All these choices are correct
• B. This type of tower must never be painted
• C. This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
• D. This type of tower must never be grounded

T6A12

35. What type of switch is represented by component 3 in figure T-2?

• A. Single-pole double-throw
• B. Double-pole single-throw
• C. Single-pole single-throw
• D. Double-pole double-throw