Practice Exam

T4B11

1. Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

• A. The codec type being used
• B. Your output power
• C. All these choices are correct
• D. Your call sign

T3C07

2. What band is best suited for communicating via meteor scatter?

• A. 70 centimeters
• B. 6 meters
• C. 2 meters
• D. 33 centimeters

T1D11

3. When may an amateur station transmit without identifying on the air?

• A. When the transmissions are of a brief nature to make station adjustments
• B. When the transmissions are unmodulated
• C. When the transmitted power level is below 1 watt
• D. When transmitting signals to control model craft

T9A03

4. Which of the following describes a simple dipole oriented parallel to Earth's surface?

• A. A vertically polarized antenna
• B. A ground-wave antenna
• C. A horizontally polarized antenna
• D. A travelling-wave antenna

T3A07

5. What weather condition might decrease range at microwave frequencies?

• A. Low barometric pressure
• B. High winds
• C. Precipitation
• D. Colder temperatures

T1E01

6. When may an amateur station transmit without a control operator?

• A. When the transmitting station is an auxiliary station
• B. When using automatic control, such as in the case of a repeater
• C. Never
• D. When the station licensee is away and another licensed amateur is using the station

T7C03

7. What does a dummy load consist of?

• A. A 50-ohm reactance used to terminate a transmission line
• B. A low-voltage power supply and a DC relay
• C. A non-inductive resistor mounted on a heat sink
• D. A high-gain amplifier and a TR switch

T3B07

8. In addition to frequency, which of the following is used to identify amateur radio bands?

• A. Traditional letter/number designators
• B. Channel numbers
• C. The approximate wavelength in meters
• D. All these choices are correct

T8A06

9. Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

• A. Upper sideband
• B. Inverted sideband
• C. Suppressed sideband
• D. Lower sideband

T9B10

10. What is the electrical difference between RG-58 and RG-213 coaxial cable?

• A. RG-58 cable can handle higher power levels
• B. RG-58 cable has two shields
• C. RG-213 cable has less loss at a given frequency
• D. There is no significant difference between the two types

T2C06

11. What is the Amateur Radio Emergency Service (ARES)?

• A. A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
• B. A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
• C. A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
• D. A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies

T5D08

12. What is the current through a 100-ohm resistor connected across 200 volts?

• A. 2 amperes
• B. 0.5 amperes
• C. 100 amperes
• D. 20,000 amperes

T1C01

13. For which license classes are new licenses currently available from the FCC?

• A. Technician, General, Amateur Extra
• B. Novice, Technician, General, Amateur Extra
• C. Technician, Technician Plus, General, Amateur Extra
• D. Novice, Technician Plus, General, Advanced

T5B01

14. How many milliamperes is 1.5 amperes?

• A. 1500 milliamperes
• B. 150 milliamperes
• C. 15 milliamperes
• D. 15,000 milliamperes

T5A08

15. Which of the following is a good electrical insulator?

• A. Glass
• B. Copper
• C. Mercury
• D. Aluminum

T0B07

16. 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 not be climbed unless it is retracted, or mechanical safety locking devices have been installed
• C. This type of tower must never be grounded
• D. This type of tower must never be painted

T1F05

17. What method of call sign identification is required for a station transmitting phone signals?

• A. Send the call sign followed by the indicator R
• B. Send the call sign using only a phone emission
• C. Send the call sign followed by the indicator RPT
• D. Send the call sign using a CW or phone emission

T1B07

18. Which of the following VHF/UHF band segments are limited to CW only?

• A. 219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
• B. 50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
• C. 902.0 MHz to 902.1 MHz
• D. All these choices are correct

T4A06

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

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

T0C05

20. Why do exposure limits vary with frequency?

• A. The human body absorbs more RF energy at some frequencies than at others
• B. Lower frequency RF fields have more energy than higher frequency fields
• C. Higher frequency RF fields are transient in nature
• D. Lower frequency RF fields do not penetrate the human body

T6D05

21. What type of circuit controls the amount of voltage from a power supply?

• A. Regulator
• B. Phase inverter
• C. Oscillator
• D. Filter

T1A04

22. How many operator/primary station license grants may be held by any one person?

• A. One for each permanent station location from which the person plans to operate
• B. No more than two
• C. One for each band on which the person plans to operate
• D. One

T7A06

23. What device converts the RF input and output of a transceiver to another band?

• A. High-pass filter
• B. Low-pass filter
• C. Transverter
• D. Phase converter

T8C08

24. What is the Internet Radio Linking Project (IRLP)?

• A. A system for informing amateurs in real time of the frequency of active DX stations
• B. A technique for measuring signal strength of an amateur transmitter via the internet
• C. A system for providing access to websites via amateur radio
• D. A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)

T2A04

25. What is an appropriate way to call another station on a repeater if you know the other station's call sign?

• A. Wait for the station to call CQ, then answer
• B. Say "CQ" three times, then the other station's call sign
• C. Say the station's call sign, then identify with your call sign
• D. Say "break, break," then say the station's call sign

T7D10

26. What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

• A. Alternating between open and short circuit
• B. Decreasing resistance with time
• C. Increasing resistance with time
• D. Steady full-scale reading

T2B05

27. What would cause your FM transmission audio to be distorted on voice peaks?

• A. Your transmit power is too high
• B. You are talking too loudly
• C. You need to talk louder
• D. Your repeater offset is inverted

T6B05

28. What type of transistor has a gate, drain, and source?

• A. Varistor
• B. Field-effect
• C. Tesla-effect
• D. Bipolar junction

T8B12

29. Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

• A. Your signal strength on the downlink should be about the same as the beacon
• B. All these choices are correct
• C. Check your signal strength report in the telemetry data
• D. Listen for distortion on your downlink signal

T7B04

30. Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

• A. Band-pass filter
• B. Ferrite choke
• C. Low-pass filter
• D. Preamplifier

T6C10

31. What is component 3 in figure T-3?

• A. Meter
• B. Variable capacitor
• C. Connector
• D. Variable inductor

T5C13

32. What is the abbreviation for kilohertz?

• A. kHz
• B. khz
• C. khZ
• D. KHZ

T6A10

33. Which of the following battery chemistries is rechargeable?

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

T8D12

34. Which of the following best describes an amateur radio mesh network?

• A. An internet linking protocol used to network repeaters
• B. A satellite communications network using modified commercial satellite TV hardware
• C. A wide-bandwidth digital voice mode employing DMR protocols
• D. An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware

T0A11

35. What hazard exists in a power supply immediately after turning it off?

• A. Leakage flux in the power transformer
• B. Charge stored in filter capacitors
• C. Circulating currents in the dc filter
• D. Voltage transients from kickback diodes