Practice Exam

T5D14

1. In which type of circuit is voltage the same across all components?

• A. Branch
• B. Resonant
• C. Series
• D. Parallel

T4A06

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

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

T1A11

3. When is willful interference to other amateur radio stations permitted?

• A. At any time, stations in the Amateur Radio Service are not protected from willful interference
• B. To stop another amateur station that is breaking the FCC rules
• C. When making short test transmissions
• D. At no time

T5C10

4. How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

• A. 30 watts
• B. 4.8 watts
• C. 0.208 watts
• D. 14.5 watts

T3A11

5. Which region of the atmosphere can refract or bend HF and VHF radio waves?

• A. The ionosphere
• B. The mesosphere
• C. The troposphere
• D. The stratosphere

T8D09

6. What is CW?

• A. A technique for coil winding
• B. A type of electromagnetic propagation
• C. A digital mode used primarily on 2 meter FM
• D. Another name for a Morse code transmission

T2A08

7. What is the meaning of the procedural signal "CQ"?

• A. Test transmission, no reply expected
• B. Calling any station
• C. Only the called station should transmit
• D. Call on the quarter hour

T4B12

8. What is the result of tuning an FM receiver above or below a signal's frequency?

• A. Change in audio pitch
• B. Generation of a heterodyne tone
• C. Sideband inversion
• D. Distortion of the signal's audio

T6D04

9. Which of the following displays an electrical quantity as a numeric value?

• A. Relay
• B. Meter
• C. Transistor
• D. Potentiometer

T0C05

10. 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 do not penetrate the human body
• C. Higher frequency RF fields are transient in nature
• D. Lower frequency RF fields have more energy than higher frequency fields

T3B03

11. What are the two components of a radio wave?

• A. Electric and magnetic fields
• B. Impedance and reactance
• C. Voltage and current
• D. Ionizing and non-ionizing radiation

T7A06

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

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

T1C02

13. Who may select a desired call sign under the vanity call sign rules?

• A. Only a licensed amateur with a General or Amateur Extra Class license
• B. Only a licensed amateur who has been licensed continuously for more than 10 years
• C. Any licensed amateur
• D. Only a licensed amateur with an Amateur Extra Class license

T5A05

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

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

T6A03

15. What electrical parameter is controlled by a potentiometer?

• A. Resistance
• B. Field strength
• C. Capacitance
• D. Inductance

T5B06

16. Which is equal to 3000 milliamperes?

• A. 3 amperes
• B. 0.3 amperes
• C. 3,000,000 amperes
• D. 0.003 amperes

T2C04

17. What is RACES?

• A. An FCC part 97 amateur radio service for civil defense communications during national emergencies
• B. A radio contest held in a short period, sometimes called a "sprint"
• C. An emergency organization combining amateur radio and citizens band operators and frequencies
• D. An international radio experimentation society

T7B09

18. What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

• A. Add a preamplifier to the TV antenna input
• B. Add a high-pass filter to the TV antenna input
• C. Be sure all TV feed line coaxial connectors are installed properly
• D. Add a low-pass filter to the TV antenna input

T1F05

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

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

T6C07

20. What is component 8 in figure T-2?

• A. Regulator IC
• B. Inductor
• C. Resistor
• D. Light emitting diode

T6B10

21. Which of the following can provide power gain?

• A. Reactor
• B. Transformer
• C. Resistor
• D. Transistor

T0A08

22. Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

• A. In parallel with the hot conductor only
• B. In series with the hot conductor only
• C. In series with the hot and neutral conductors
• D. In parallel with the hot and neutral conductors

T1E05

23. What is an amateur station's control point?

• A. The location at which the control operator function is performed
• B. The location of the station's transmitting antenna
• C. The mailing address of the station licensee
• D. The location of the station's transmitting apparatus

T8A03

24. Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

• A. DRM
• B. PM
• C. SSB
• D. FM

T8B03

25. Which of the following are provided by satellite tracking programs?

• A. The apparent frequency of the satellite transmission, including effects of Doppler shift
• B. The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
• C. Maps showing the real-time position of the satellite track over Earth
• D. All these choices are correct

T1B04

26. Which amateur band includes 146.52 MHz?

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

T9A09

27. What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

• A. 6
• B. 50
• C. 112
• D. 236

T3C04

28. Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

• A. D region absorption
• B. Backscatter
• C. Sporadic E
• D. Gray-line propagation

T8C04

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

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

T7D09

30. What is the characteristic appearance of a cold tin-lead solder joint?

• A. A rough or lumpy surface
• B. A bright or shiny surface
• C. Excessive solder
• D. Dark black spots

T7C10

31. Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

• A. Ultraviolet light can increase losses in the cable's jacket
• B. Ultraviolet resistant jackets prevent harmonic radiation
• C. Ultraviolet light can damage the jacket and allow water to enter the cable
• D. Ultraviolet and RF signals can mix, causing interference

T2B07

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

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

T0B09

33. Why should you avoid attaching an antenna to a utility pole?

• A. All these choices are correct
• B. The antenna will not work properly because of induced voltages
• C. The antenna could contact high-voltage power lines
• D. The 60 Hz radiations from the feed line may increase the SWR

T1D09

34. When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

• A. When such communications are directly related to the immediate safety of human life or protection of property
• B. Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
• C. When broadcasting communications to or from the space shuttle
• D. Never

T9B04

35. What is the major function of an antenna tuner (antenna coupler)?

• A. It allows an antenna to be used on both transmit and receive
• B. It helps a receiver automatically tune in weak stations
• C. It matches the antenna system impedance to the transceiver's output impedance
• D. It automatically selects the proper antenna for the frequency band being used