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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	Excessive current could cause a fire
B	The power supply ripple would greatly increase
C	The larger fuse would be likely to blow because it is rated for higher current
D	All these choices are correct

2. - T0B08

Which is a proper grounding method for a tower?

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

3. - T0C01

What type of radiation are radio signals?

Select	Answer
A	Non-ionizing radiation
B	Ionizing radiation
C	Gamma radiation
D	Alpha radiation

4. - T1A02

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

Select	Answer
A	The FCC
B	Homeland Security
C	All these choices are correct
D	FEMA

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
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 who has applied for and received approval from NASA

6. - T1C01

For which license classes are new licenses currently available from the FCC?

Select	Answer
A	Novice, Technician, General, Amateur Extra
B	Technician, General, Amateur Extra
C	Novice, Technician Plus, General, Advanced
D	Technician, Technician Plus, General, Amateur Extra

7. - T1D10

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

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

8. - T1E06

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

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

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

Select	Answer
A	Any language recognized by the United Nations
B	Any language recognized by the ITU
C	English
D	English, French, or Spanish

10. - T2A12

What should you do before calling CQ?

Select	Answer
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

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Reduce a CW transmitter's key clicks
B	Reduce interference from impulse noise
C	Eliminate parasitic oscillations in an RF amplifier
D	Mute the receiver audio when a signal is not present

12. - T2C05

What does the term “traffic” refer to in net operation?

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

13. - T3A11

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

Select	Answer
A	The mesosphere
B	The stratosphere
C	The ionosphere
D	The troposphere

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	All these choices are correct
B	Channel numbers
C	Traditional letter/number designators
D	The approximate wavelength in meters

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

Select	Answer
A	From shortly after sunset to dawn during periods of low sunspot activity
B	From dawn to shortly after sunset during periods of low sunspot activity
C	From dawn to shortly after sunset during periods of high sunspot activity
D	From shortly after sunset to dawn during periods of high sunspot activity

16. - T4A04

How are the transceiver audio input and output connected in a station configured to operate using FT8?

Select	Answer
A	To an FT8 conversion unit, a keyboard, and a computer monitor
B	To a computer running a terminal program and connected to a terminal node controller unit
C	To a computer connected to the FT8converter.com website
D	To the audio input and output of a computer running WSJT-X software

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	2400 Hz
B	500 Hz
C	5000 Hz
D	1000 Hz

18. - T5A10

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

Select	Answer
A	Resistance
B	Power
C	Voltage
D	Current

19. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	15,000 milliamperes
B	15 milliamperes
C	1500 milliamperes
D	150 milliamperes

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	Mhz
B	MHz
C	mh
D	MH

21. - T5D11

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

Select	Answer
A	9 volts
B	11 volts
C	1 volt
D	10 volts

22. - T6A05

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

Select	Answer
A	Oscillator
B	Resistor
C	Potentiometer
D	Capacitor

23. - T6B06

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

Select	Answer
A	With the word "cathode"
B	With the letter K
C	With a stripe
D	With the letter C

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Resistor
B	Inductor
C	Regulator IC
D	Light emitting diode

25. - T6D02

What is a relay?

Select	Answer
A	An inverting amplifier
B	A current controlled amplifier
C	An electrically-controlled switch
D	A pass transistor

26. - T7A06

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

Select	Answer
A	Low-pass filter
B	Transverter
C	High-pass filter
D	Phase converter

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The microphone gain of the transmitter is turned up too high
B	The receiver is unable to reject strong signals outside the AM or FM band
C	The audio amplifier of the transmitter is overloaded
D	The deviation of an FM transmitter is set too low

28. - T7C02

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

Select	Answer
A	A frequency counter
B	An antenna analyzer
C	A Q meter
D	A VTVM

29. - T7D04

Which instrument is used to measure electric current?

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

30. - T8A05

Which of the following types of signal has the narrowest bandwidth?

Select	Answer
A	SSB voice
B	FM voice
C	CW
D	Slow-scan TV

31. - T8B05

What is a satellite beacon?

Select	Answer
A	A reflective surface on the satellite
B	The primary transmit antenna on the satellite
C	A transmission from a satellite that contains status information
D	An indicator light that shows where to point your antenna

32. - T8C05

What is a grid locator?

Select	Answer
A	An instrument for radio direction finding
B	A letter-number designator assigned to an azimuth and elevation
C	An instrument for neutralizing a final amplifier
D	A letter-number designator assigned to a geographic location

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	A wide-bandwidth digital voice mode employing DMR protocols
B	An internet linking protocol used to network repeaters
C	A satellite communications network using modified commercial satellite TV hardware
D	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware

34. - T9A02

Which of the following describes a type of antenna loading?

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

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	The ratio of amplifier power output to input
B	The transmitter efficiency ratio
C	An indication of the quality of your station’s ground connection
D	A measure of how well a load is matched to a transmission line

Figure T-2