Practice Exam

T7C07

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

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

T3B05

2. What is the relationship between wavelength and frequency?

• A. Wavelength and frequency increase as path length increases
• B. Wavelength gets longer as frequency increases
• C. Wavelength and frequency are unrelated
• D. Wavelength gets shorter as frequency increases

T8D05

3. Which of the following is an application of APRS?

• A. Providing information on the number of stations signed into a repeater
• B. Providing voice over internet connection between repeaters
• C. Showing automatically the number of packets transmitted via PACTOR during a specific time interval
• D. Providing real-time tactical digital communications in conjunction with a map showing the locations of stations

T3A08

4. What is a likely cause of irregular fading of signals propagated by the ionosphere?

• A. Interference from thunderstorms
• B. Intermodulation distortion
• C. Random combining of signals arriving via different paths
• D. Frequency shift due to Faraday rotation

T0A07

5. Where should a lightning arrester be installed in a coaxial feed line?

• A. At the ac power service panel
• B. At the antenna feed point
• C. On a grounded panel near where feed lines enter the building
• D. At the output connector of a transceiver

T8A01

6. Which of the following is a form of amplitude modulation?

• A. Spread spectrum
• B. Phase shift keying (PSK)
• C. Single sideband
• D. Packet radio

T2B06

7. What type of signaling uses pairs of audio tones?

• A. CTCSS
• B. GPRS
• C. D-STAR
• D. DTMF

T8B08

8. 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 frequencies are usually variable
• C. The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
• D. The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band

T4A08

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

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

T1D06

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

T2A12

11. What should you do before calling CQ?

• A. All these choices are correct
• B. Listen first to be sure that no one else is using the frequency
• C. Make sure you are authorized to use that frequency
• D. Ask if the frequency is in use

T7B05

12. How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

• A. Switch the transmitter from FM to SSB
• B. Switch the transmitter to a narrow-band mode
• C. Block the amateur signal with a filter at the antenna input of the affected receiver
• D. Block the interfering signal with a filter on the amateur transmitter

T3C11

13. Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

• A. Radio waves are blocked by dust particles
• B. Radio waves are not blocked by dust particles
• C. The atmosphere refracts radio waves slightly
• D. Radio signals move somewhat faster than the speed of light

T4B03

14. How is squelch adjusted so that a weak FM signal can be heard?

• A. Set the squelch threshold so that receiver output audio is on all the time
• B. Turn on the anti-squelch function
• C. Enable squelch enhancement
• D. Turn up the audio level until it overcomes the squelch threshold

T5C10

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

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

T6D10

16. What is the function of component 2 in figure T-1?

• A. Convert electrical energy into radio waves
• B. Give off light when current flows through it
• C. Supply electrical energy
• D. Control the flow of current

T1F02

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

T9B06

18. Which of the following RF connector types is most suitable for frequencies above 400 MHz?

• A. RS-213
• B. Type N
• C. DB-25
• D. UHF (PL-259/SO-239)

T1C03

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

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

T5B01

20. How many milliamperes is 1.5 amperes?

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

T1E06

21. When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

• A. As part of a multi-operator contest team
• B. When using a club station whose trustee holds an Amateur Extra Class license
• C. At no time
• D. When designated as the control operator by an Amateur Extra Class licensee

T6A06

22. What type of electrical component stores energy in a magnetic field?

• A. Capacitor
• B. Diode
• C. Inductor
• D. Varistor

T8C03

23. What operating activity involves contacting as many stations as possible during a specified period?

• A. Contesting
• B. Simulated emergency exercises
• C. Net operations
• D. Public service events

T7A06

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

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

T1B12

25. Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

• A. 500 watts
• B. 100 watts
• C. 1500 watts
• D. 50 watts

T6C08

26. What is component 9 in figure T-2?

• A. Variable transformer
• B. Variable inductor
• C. Variable capacitor
• D. Variable resistor

T1A02

27. Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

• A. All these choices are correct
• B. Homeland Security
• C. FEMA
• D. The FCC

T7D03

28. When configured to measure current, how is a multimeter connected to a component?

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

T5D09

29. What is the current through a 24-ohm resistor connected across 240 volts?

• A. 10 amperes
• B. 24,000 amperes
• C. 0.1 amperes
• D. 216 amperes

T0B04

30. Which of the following is an important safety precaution to observe when putting up an antenna tower?

• A. Wear a ground strap connected to your wrist at all times
• B. Look for and stay clear of any overhead electrical wires
• C. Insulate the base of the tower to avoid lightning strikes
• D. All these choices are correct

T5A10

31. Which term describes the rate at which electrical energy is used?

• A. Voltage
• B. Power
• C. Current
• D. Resistance

T2C11

32. What is meant by "check" in a radiogram header?

• A. The call sign of the originating station
• B. A box on the message form that indicates that the message was received and/or relayed
• C. A list of stations that have relayed the message
• D. The number of words or word equivalents in the text portion of the message

T9A02

33. Which of the following describes a type of antenna loading?

• A. Strengthening the radiating elements of a beam antenna to better resist wind damage
• B. Installing a spring in the base of a mobile vertical antenna to make it more flexible
• C. Electrically lengthening by inserting inductors in radiating elements
• D. Inserting a resistor in the radiating portion of the antenna to make it resonant

T0C02

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

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

T6B06

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

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