Practice Exam

T0A01

1. Which is a commonly accepted value for the lowest voltage that can cause a dangerous electric shock?

• A. 12 volts
• B. 120 volts
• C. 300 volts
• D. 30 volts

T1E10

2. What type of control is used when the control operator is not at the station location but can indirectly manipulate the operating adjustments of a station?

• A. Unattended
• B. Remote
• C. Automatic
• D. Local

T3C10

3. What is the radio horizon?

• A. The distance at which radio signals between two points are effectively blocked by the curvature of the Earth
• B. The distance from the ground to a horizontally mounted antenna
• C. The farthest point you can see when standing at the base of your antenna tower
• D. The shortest distance between two points on the Earth's surface

T1F13

4. When must the station licensee make the station and its records available for FCC inspection?

• A. 30 days prior to renewal of the station license
• B. 10 days before the first transmission
• C. Any time upon request by an FCC representative
• D. Any time upon request by an official observer

T7A09

5. Which of the following devices is most useful for VHF weak-signal communication?

• A. An omni-directional antenna
• B. A multi-mode VHF transceiver
• C. A quarter-wave vertical antenna
• D. A mobile VHF FM transceiver

T1A03

6. Which part of the FCC rules contains the rules and regulations governing the Amateur Radio Service?

• A. Part 90
• B. Part 73
• C. Part 95
• D. Part 97

T2A01

7. What is the most common repeater frequency offset in the 2 meter band?

• A. Only plus 600 kHz
• B. plus 500 kHz
• C. plus or minus 600 kHz
• D. minus 500 kHz

T5B11

8. What is the approximate amount of change, measured in decibels (dB), of a power increase from 20 watts to 200 watts?

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

T7D06

9. Which of the following might damage a multimeter?

• A. Not allowing it to warm up properly
• B. Measuring a voltage too small for the chosen scale
• C. Leaving the meter in the milliamps position overnight
• D. Attempting to measure voltage when using the resistance setting

T2C09

10. When may an amateur station use any means of radio communications at its disposal for essential communications in connection with immediate safety of human life and protection of property?

• A. Only when FEMA authorizes it by declaring an emergency
• B. When normal communications systems are not available
• C. Only when authorized by the local MARS program director
• D. Only when RACES authorizes it by declaring an emergency

T6D08

11. Which of the following is used together with an inductor to make a tuned circuit?

• A. Capacitor
• B. Potentiometer
• C. Zener diode
• D. Resistor

T4B01

12. What may happen if a transmitter is operated with the microphone gain set too high?

• A. The output signal might become distorted
• B. The SWR might increase
• C. The output power might be too high
• D. The frequency might vary

T9B01

13. Why is it important to have a low SWR in an antenna system that uses coaxial cable feedline?

• A. To allow the efficient transfer of power and reduce losses
• B. To prolong antenna life
• C. All of these choices are correct
• D. To reduce television interference

T8A08

14. What is the approximate bandwidth of a single sideband voice signal?

• A. 6 kHz
• B. 15 kHz
• C. 3 kHz
• D. 1 kHz

T7C02

15. Which of the following instruments can be used to determine if an antenna is resonant at the desired operating frequency?

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

T0B06

16. What is the minimum safe distance from a power line to allow when installing an antenna?

• A. 1/2 wavelength at the operating frequency
• B. So that if the antenna falls unexpectedly, no part of it can come closer than 10 feet to the power wires
• C. Half the width of your property
• D. The height of the power line above ground

T5A07

17. Which of the following is a good electrical conductor?

• A. Wood
• B. Glass
• C. Rubber
• D. Copper

T1B08

18. What do the FCC rules mean when an amateur frequency band is said to be available on a secondary basis?

• A. Secondary users are not allowed on amateur bands
• B. Amateurs may not cause harmful interference to primary users
• C. Secondary users of a frequency have equal rights to operate
• D. Amateurs are only allowed to use the frequency at night

T2B03

19. Which of the following describes the muting of receiver audio controlled solely by the presence or absence of an RF signal?

• A. Carrier squelch
• B. CTCSS
• C. Modulated carrier
• D. Tone squelch

T6C13

20. Which of the following is accurately represented in electrical circuit schematic diagrams?

• A. The way components are interconnected
• B. All of these choices are correct
• C. Physical appearance of components
• D. Wire lengths

T9A06

21. What type of antennas are the quad, Yagi, and dish?

• A. Directional antennas
• B. Non-resonant antennas
• C. Isotropic antennas
• D. Loop antennas

T0C01

22. What type of radiation are VHF and UHF radio signals?

• A. Non-ionizing radiation
• B. Alpha radiation
• C. Ionizing radiation
• D. Gamma radiation

T5D05

23. What is the resistance in a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

• A. 0.125 ohms
• B. 18 ohms
• C. 8 ohms
• D. 13.5 ohms

T8C05

24. What is a grid locator?

• A. An instrument for neutralizing a final amplifier
• B. A letter-number designator assigned to an azimuth and elevation
• C. An instrument for radio direction finding
• D. A letter-number designator assigned to a geographic location

T4A08

25. Which type of conductor is best to use for RF grounding?

• A. Round copper-clad steel wire
• B. Flat strap
• C. Twisted-pair cable
• D. Round stranded wire

T6B11

26. Which semiconductor component has a gate electrode?

• A. Field effect transistor
• B. Silicon diode
• C. Bridge rectifier
• D. Bipolar transistor

T3A01

27. What should you do if another operator reports that your station's 2 meter signals were strong just a moment ago, but now they are weak or distorted?

• A. Try moving a few feet, as random reflections may be causing multi-path distortion
• B. Turn on the CTCSS tone
• C. Change the batteries in your radio to a different type
• D. Ask the other operator to adjust his squelch control

T1D02

28. On which of the following occasions may an FCC-licensed amateur station exchange messages with a U.S. military station?

• A. During an Independence Day celebration
• B. During an Armed Forces Day Communications Test
• C. During a Memorial Day Celebration
• D. During a propagation test

T8D05

29. Which of the following emission modes may be used by a Technician Class operator between 219 and 220 MHz?

• A. SSB voice
• B. Spread spectrum
• C. Data
• D. Fast-scan television

T7B10

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

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

T8B10

31. What do the initials LEO tell you about an amateur satellite?

• A. The satellite battery is in Low Energy Operation mode
• B. The satellite is in a Low Earth Orbit
• C. The satellite is performing a Lunar Ejection Orbit maneuver
• D. The satellite uses Light Emitting Optics

T6A07

32. What electrical component is usually composed of a coil of wire?

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

T5C04

33. What is the basic unit of inductance?

• A. The henry
• B. The farad
• C. The ohm
• D. The coulomb

T1C11

34. If your license has expired and is still within the allowable grace period, may you continue to operate a transmitter on amateur service frequencies?

• A. Yes, but only during authorized nets
• B. Yes, for up to two years
• C. Yes, but only if you identify using the suffix "GP"
• D. No, transmitting is not allowed until the ULS database shows that the license has been renewed

T3B01

35. What is the name for the distance a radio wave travels during one complete cycle?

• A. Wave speed
• B. Wavelength
• C. Waveform
• D. Wave spread