Practice Exam

T3A10

1. What effect does multi-path propagation have on data transmissions?

• A. Transmission rates must be decreased by a factor equal to the number of separate paths observed
• B. Error rates are likely to increase
• C. No significant changes will occur if the signals are transmitted using FM
• D. Transmission rates must be increased by a factor equal to the number of separate paths observed

T7B04

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

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

T0B08

3. Which is a proper grounding method for a tower?

• A. Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
• B. A ferrite-core RF choke connected between the tower and ground
• C. A single four-foot ground rod, driven into the ground no more than 12 inches from the base
• D. A connection between the tower base and a cold water pipe

T1A10

4. What is the Radio Amateur Civil Emergency Service (RACES)?

• A. A radio service using amateur stations for emergency management or civil defense communications
• B. A radio service using amateur frequencies for emergency management or civil defense communications
• C. An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
• D. All these choices are correct

T5A04

5. What are the units of electrical resistance?

• A. Coulombs
• B. Mhos
• C. Siemens
• D. Ohms

T5C02

6. What is the unit of capacitance?

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

T4A03

7. Why are short, heavy-gauge wires used for a transceiver's DC power connection?

• A. To avoid RF interference
• B. To provide a good counterpoise for the antenna
• C. All these choices are correct
• D. To minimize voltage drop when transmitting

T1D06

8. What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

• A. The FCC maintains a list of words that are not permitted to be used on amateur frequencies
• B. The ITU maintains a list of words that are not permitted to be used on amateur frequencies
• C. There is no such prohibition
• D. Any such language is prohibited

T5B10

9. Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

• A. -3 dB
• B. -1 dB
• C. -9 dB
• D. -6 dB

T5D01

10. What formula is used to calculate current in a circuit?

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

T3C07

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

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

T0C02

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

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

T2C06

13. 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

T6D11

14. Which of the following is a resonant or tuned circuit?

• A. An inductor and a capacitor in series or parallel
• B. A circuit designed to provide high-fidelity audio
• C. A resistor circuit used for reducing standing wave ratio
• D. A linear voltage regulator

T7A07

15. What is the function of a transceiver's PTT input?

• A. Switches transceiver from receive to transmit when grounded
• B. Input for a key used to send CW
• C. Provides a transmit tuning tone when grounded
• D. Input for a preamplifier tuning tone

T1F09

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

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

T7C06

17. What does an SWR reading of 4:1 indicate?

• A. Good impedance match
• B. Loss of -4 dB
• C. Gain of +4 dB
• D. Impedance mismatch

T4B08

18. What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

• A. Increases the amount of offset between receive and transmit frequencies
• B. Increases the number of frequencies that can be stored in memory
• C. Permits noise or interference reduction by selecting a bandwidth matching the mode
• D. Permits monitoring several modes at once by selecting a separate filter for each mode

T3B09

19. What frequency range is referred to as UHF?

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

T7D02

20. How is a voltmeter connected to a component to measure applied voltage?

• A. In series
• B. In phase
• C. In quadrature
• D. In parallel

T8A11

21. What is the approximate bandwidth required to transmit a CW signal?

• A. 1000 Hz
• B. 2.4 kHz
• C. 150 Hz
• D. 15 kHz

T1B09

22. Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

• A. To allow for calibration error in the transmitter frequency display
• B. So that modulation sidebands do not extend beyond the band edge
• C. To allow for transmitter frequency drift
• D. All these choices are correct

T6B12

23. What are the names of the electrodes of a bipolar junction transistor?

• A. Emitter, base, collector
• B. Pole one, pole two, output
• C. Input, output, supply
• D. Signal, bias, power

T2A05

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

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

T6A02

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

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

T9B07

26. 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

T1C09

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

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

T0A01

28. Which of the following is a safety hazard of a 12-volt storage battery?

• A. RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
• B. Shorting the terminals can cause burns, fire, or an explosion
• C. Touching both terminals with the hands can cause electrical shock
• D. All these choices are correct

T6C02

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

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

T9A12

30. What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

• A. It has 10 times the power gain of a 1/4 wavelength whip
• B. It radiates at a very high angle
• C. It eliminates distortion caused by reflected signals
• D. It has more gain than a 1/4-wavelength antenna

T1E11

31. Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

• A. The station custodian
• B. The third party participant
• C. The station licensee
• D. The person operating the station equipment

T8B10

32. What is a LEO satellite?

• A. A highly elliptical orbit satellite
• B. A satellite in low energy operation mode
• C. A sun synchronous satellite
• D. A satellite in low earth orbit

T2B10

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

• A. QTH
• B. QRM
• C. QRN
• D. QSB

T8D07

34. Which of the following describes DMR?

• A. An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
• B. An automatic position tracking mode for FM mobiles communicating through repeaters
• C. A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
• D. A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel

T8C05

35. What is a grid locator?

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