Practice Exam

T8A09

1. What is the approximate bandwidth of a VHF repeater FM voice signal?

• A. About 150 kHz
• B. Between 50 and 125 kHz
• C. Less than 500 Hz
• D. Between 10 and 15 kHz

T5C08

2. 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

T2A09

3. Which of the following indicates that a station is listening on a repeater and looking for a contact?

• A. "QSY" followed by your call sign
• B. The repeater call sign followed by the station's call sign
• C. The station's call sign followed by the word "monitoring"
• D. "CQ CQ" followed by the repeater's call sign

T7D09

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

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

T2B04

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

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

T1F10

6. Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

• A. Both the originating station and the repeater owner
• B. The control operator of the repeater
• C. The owner of the repeater
• D. The control operator of the originating station

T7B10

7. 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 batteries are running low
• C. All these choices are correct
• D. Your transmitter is slightly off frequency

T8D03

8. What kind of data can be transmitted by APRS?

• A. Weather data
• B. GPS position data
• C. Text messages
• D. All these choices are correct

T5D04

9. What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

• A. 270 ohms
• B. 93 ohms
• C. 3 ohms
• D. 30 ohms

T1A07

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

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

T1C03

11. What types of international communications are an FCC-licensed amateur radio station permitted to make?

• A. Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
• B. Communications incidental to conducting business or remarks of a personal nature
• C. Any communications that would be permitted by an international broadcast station
• D. Only communications incidental to contest exchanges; all other communications are prohibited

T6D09

12. What is the name of a device that combines several semiconductors and other components into one package?

• A. Integrated circuit
• B. Transducer
• C. Transformer
• D. Multi-pole relay

T6B06

13. How is the cathode lead of a semiconductor diode often marked on the package?

• A. With a stripe
• B. With the letter K
• C. With the letter C
• D. With the word "cathode"

T7C06

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

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

T1B04

15. Which amateur band includes 146.52 MHz?

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

T3A06

16. What is the meaning of the term "picket fencing"?

• A. Rapid flutter on mobile signals due to multipath propagation
• B. A type of ground system used with vertical antennas
• C. Local vs long-distance communications
• D. Alternating transmissions during a net operation

T3B06

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

• A. Wavelength in meters equals frequency in hertz multiplied 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 divided by 300

T3C07

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

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

T5B11

19. Which decibel value represents a power increase from 20 watts to 200 watts?

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

T4A10

20. What function is performed with a transceiver and a digital mode hot spot?

• A. FT8 digital communications via AFSK
• B. Communication using digital voice or data systems via the internet
• C. RTTY encoding and decoding without a computer
• D. High-speed digital communications for meteor scatter

T1D10

21. How does the FCC define broadcasting for the Amateur Radio Service?

• A. Transmissions intended for reception by the general public
• B. Any transmission made by the licensed station
• C. Transmission of messages directed only to amateur operators
• D. Two-way transmissions by amateur stations

T2C05

22. What does the term "traffic" refer to in net operation?

• A. Operation by mobile or portable stations
• B. The number of stations checking in and out of a net
• C. Messages exchanged by net stations
• D. Requests to activate the net by a served agency

T5A12

23. What describes the number of times per second that an alternating current makes a complete cycle?

• A. Wavelength
• B. Frequency
• C. Pulse rate
• D. Speed

T9B01

24. What is a benefit of low SWR?

• A. Less antenna wear
• B. All these choices are correct
• C. Reduced television interference
• D. Reduced signal loss

T6C07

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

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

T4B01

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

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

T8B08

27. What is meant by the statement that a satellite is operating in U/V mode?

• A. The satellite operates using ultraviolet frequencies
• B. The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
• C. The satellite frequencies are usually variable
• D. The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band

T1E03

28. Who must designate the station control operator?

• A. Any licensed operator
• B. The station licensee
• C. The frequency coordinator
• D. The FCC

T0B08

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

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

T0A09

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

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

T6A05

31. What type of electrical component consists of conductive surfaces separated by an insulator?

• A. Capacitor
• B. Potentiometer
• C. Oscillator
• D. Resistor

T7A04

32. Which term describes the ability of a receiver to discriminate between multiple signals?

• A. Sensitivity
• B. Harmonic distortion
• C. Discrimination ratio
• D. Selectivity

T9A10

33. In which direction does a half-wave dipole antenna radiate the strongest signal?

• A. Off the ends of the antenna
• B. Broadside to the antenna
• C. Equally in all directions
• D. In the direction of the feed line

T0C11

34. What is the definition of duty cycle during the averaging time for RF exposure?

• A. The difference between the lowest power output and the highest power output of a transmitter
• B. The difference between the PEP and average power output of a transmitter
• C. The percentage of time that a transmitter is not transmitting
• D. The percentage of time that a transmitter is transmitting

T8C01

35. Which of the following methods is used to locate sources of noise interference or jamming?

• A. Doppler radar
• B. Phase locking
• C. Echolocation
• D. Radio direction finding