US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

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US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

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1. - T0A06

What is a good way to guard against electrical shock at your station?

Select	Answer
A	Install mechanical interlocks in high-voltage circuits
B	All these choices are correct
C	Use three-wire cords and plugs for all AC powered equipment
D	Connect all AC powered station equipment to a common safety ground

2. - T0B04

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

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

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	By calculation based on computer modeling
B	All these choices are correct
C	By measurement of field strength using calibrated equipment
D	By calculation based on FCC OET Bulletin 65

4. - T1A07

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

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

5. - T1B02

Which amateurs may contact the International Space Station (ISS) on VHF bands?

Select	Answer
A	Any amateur holding a General class or higher license who has applied for and received approval from NASA
B	Any amateur holding a Technician class or higher license who has applied for and received approval from NASA
C	Any amateur holding a Technician class or higher license
D	Any amateur holding a General class or higher license

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	No, you must wait until the license has been renewed
B	Yes, as soon as you apply for renewal
C	Yes, for up to two years
D	Yes, for up to one year

7. - T1D04

Under what conditions is an amateur station authorized to transmit music using a phone emission?

Select	Answer
A	When transmissions are limited to less than three minutes per hour
B	When the music produces no spurious emissions
C	When the music is transmitted above 1280 MHz
D	When incidental to an authorized retransmission of manned spacecraft communications

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	When the transmitting station is an auxiliary station
B	When using automatic control, such as in the case of a repeater
C	Never
D	When the station licensee is away and another licensed amateur is using the station

9. - T1F10

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

Select	Answer
A	The control operator of the originating station
B	The control operator of the repeater
C	Both the originating station and the repeater owner
D	The owner of the repeater

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	Notify the FCC of the transmissions
B	All these choices are correct
C	Conduct tests only between 10 p.m. and 6 a.m. local time
D	Identify the transmitting station

11. - T2B10

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

Select	Answer
A	QSB
B	QRM
C	QRN
D	QTH

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	All these choices are correct
B	Speak very loudly into the microphone
C	Send the words by voice and Morse code
D	Spell the words using a standard phonetic alphabet

13. - T3A08

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

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

14. - T3B03

What are the two components of a radio wave?

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

15. - T3C07

What band is best suited for communicating via meteor scatter?

Select	Answer
A	6 meters
B	70 centimeters
C	33 centimeters
D	2 meters

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	24.0 volts at 12 amperes
B	13.8 volts at 4 amperes
C	24.0 volts at 4 amperes
D	13.8 volts at 12 amperes

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The AGC or limiter
B	The tone squelch
C	The RIT or Clarifier
D	The bandwidth selection

18. - T5A09

Which of the following describes alternating current?

Select	Answer
A	Current that alternates between positive and negative directions
B	Current that alternates between a positive direction and zero
C	All these answers are correct
D	Current that alternates between a negative direction and zero

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	0.001 microfarads
B	1,000,000,000 microfarads
C	1 microfarad
D	1000 microfarads

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	MH
B	mh
C	MHz
D	Mhz

21. - T5D04

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

Select	Answer
A	93 ohms
B	270 ohms
C	30 ohms
D	3 ohms

22. - T6A02

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

Select	Answer
A	Power resistor
B	Potentiometer
C	Fixed resistor
D	Transformer

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Transistor
B	Thermistor
C	Varistor
D	Potentiometer

24. - T6C08

What is component 9 in figure T-2?

Select	Answer
A	Variable inductor
B	Variable transformer
C	Variable capacitor
D	Variable resistor

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	Bipolar transistor
B	Zener diode
C	LED
D	FET

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for matching feed line impedance to 50 ohms
B	A device for automatically sending and decoding Morse code
C	A device that combines a receiver and transmitter
D	A device for converting receiver and transmitter frequencies to another band

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	All these choices are correct
B	Spurious emissions
C	Fundamental overload
D	Harmonics

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A low-voltage power supply and a DC relay
B	A 50-ohm reactance used to terminate a transmission line
C	A non-inductive resistor mounted on a heat sink
D	A high-gain amplifier and a TR switch

29. - T7D01

Which instrument would you use to measure electric potential?

Select	Answer
A	An ammeter
B	A voltmeter
C	An ohmmeter
D	A wavemeter

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Lower sideband
B	Suppressed sideband
C	Inverted sideband
D	Upper sideband

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	A change in the satellite orbit
B	A special digital communications mode for some satellites
C	A mode where the satellite receives signals on one band and transmits on another
D	An observed change in signal frequency caused by relative motion between the satellite and Earth station

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	Purchase a license to use the EchoLink software
B	Register your call sign and provide proof of license
C	All these choices are correct
D	Complete the required EchoLink training

33. - T8D13

What is FT8?

Select	Answer
A	A digital slow-scan TV mode with forward error correction and automatic color compensation
B	An eight channel multiplex mode for FM repeaters
C	A wideband FM voice mode
D	A digital mode capable of low signal-to-noise operation

34. - T9A06

Which of the following types of antenna offers the greatest gain?

Select	Answer
A	Isotropic
B	J pole
C	5/8 wave vertical
D	Yagi

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-213 cable has less loss at a given frequency
B	There is no significant difference between the two types
C	RG-58 cable has two shields
D	RG-58 cable can handle higher power levels

Figure T-2