Practice Exam

T4A08

1. Which of the following conductors is preferred for bonding at RF?

• A. Twisted-pair cable
• B. Copper braid removed from coaxial cable
• C. Flat copper strap
• D. Steel wire

T1F02

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

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

T8A12

3. Which of the following is a disadvantage of FM compared with single sideband?

• A. All these choices are correct
• B. Only one signal can be received at a time
• C. FM signals are harder to tune
• D. Voice quality is poorer

T1B07

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

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

T5D11

5. What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

• A. 11 volts
• B. 10 volts
• C. 1 volt
• D. 9 volts

T0A09

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

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

T4B01

7. What is the effect of excessive microphone gain on SSB transmissions?

• A. Frequency instability
• B. Distorted transmitted audio
• C. Increased SWR
• D. All these choices are correct

T1A07

8. What is the FCC Part 97 definition of a space station?

• A. A manned satellite orbiting Earth
• B. Any satellite orbiting Earth
• C. An amateur station using amateur radio satellites for relay of signals
• D. An amateur station located more than 50 km above Earth's surface

T1C07

9. Which of the following can result in revocation of the station license or suspension of the operator license?

• A. Failure to obtain FCC type acceptance prior to using a home-built transmitter
• B. Failure to have a copy of your license available at your station
• C. Failure to provide and maintain a correct email address with the FCC
• D. Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation

T8D08

10. Which of the following is included in packet radio transmissions?

• A. A check sum that permits error detection
• B. All these choices are correct
• C. Automatic repeat request in case of error
• D. A header that contains the call sign of the station to which the information is being sent

T6A08

11. What is the function of an SPDT switch?

• A. Two circuits are each switched between one of two other circuits
• B. Two circuits are opened or closed
• C. A single circuit is switched between one of two other circuits
• D. A single circuit is opened or closed

T5B12

12. Which is equal to 28400 kHz?

• A. 28.400 MHz
• B. 284.00 MHz
• C. 28.400 kHz
• D. 2.800 MHz

T3B06

13. What is the formula for converting frequency to approximate wavelength in meters?

• A. Wavelength in meters equals frequency in hertz divided by 300
• B. Wavelength in meters equals frequency in megahertz divided by 300
• C. Wavelength in meters equals 300 divided by frequency in megahertz
• D. Wavelength in meters equals frequency in hertz multiplied by 300

T5C08

14. What is the formula used to calculate electrical power (P) in a DC circuit?

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

T7B10

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

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

T1E11

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

T6C02

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

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

T2A03

18. What is a common repeater frequency offset in the 70 cm band?

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

T6B05

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

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

T2C08

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

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

T9B04

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

• A. It helps a receiver automatically tune in weak stations
• B. It allows an antenna to be used on both transmit and receive
• 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

T7C07

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

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

T1D08

23. In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

• A. When the communication is incidental to classroom instruction at an educational institution
• B. When the communication is made to obtain emergency information for a local broadcast station
• C. All these choices are correct
• D. When the communication is related to the sale of amateur equipment by the control operator's employer

T0B07

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

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

T8B11

25. Who may receive telemetry from a space station?

• A. A licensed radio amateur who has been certified by the protocol developer
• B. A licensed radio amateur who has registered for an access code from AMSAT
• C. A licensed radio amateur with a transmitter equipped for interrogating the satellite
• D. Anyone

T6D05

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

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

T9A05

27. Which of the following increases the resonant frequency of a dipole antenna?

• A. Shortening it
• B. Lengthening it
• C. Inserting coils in series with radiating wires
• D. Adding capacitive loading to the ends of the radiating wires

T5A05

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

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

T7D09

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

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

T3A10

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

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

T2B04

31. Which of the following could be the reason you are unable to access a repeater whose output you can hear?

• A. Improper transceiver offset
• B. All these choices are correct
• C. You are using the wrong DCS code
• D. You are using the wrong CTCSS tone

T7A11

32. Where is an RF preamplifier installed?

• A. At the output of the receiver audio amplifier
• B. At the output of the transmitter power amplifier
• C. Between the antenna and receiver
• D. Between the transmitter and the antenna tuner

T0C04

33. What factors affect the RF exposure of people near an amateur station antenna?

• A. Radiation pattern of the antenna
• B. Distance from the antenna to a person
• C. All these choices are correct
• D. Frequency and power level of the RF field

T3C04

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

T8C04

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

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