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. - T0A09

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

Select	Answer
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

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Provide a ground path for lightning strikes
B	Prevent loosening of the turnbuckle from vibration
C	Secure the guy line if the turnbuckle breaks
D	Provide an ability to measure for proper tensioning

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation is limited in range to a few feet
B	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
C	RF radiation is perfectly safe
D	RF radiation can only be detected with an RF dosimeter

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Advancing skills in the technical and communication phases of the radio art
B	All these choices are correct
C	Providing personal radio communications for as many citizens as possible
D	Providing communications for international non-profit organizations

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	70 centimeters
B	2 meters
C	6 meters
D	20 meters

6. - T1C09

What is the grace period for renewal if an amateur license expires?

Select	Answer
A	Two years
B	Five years
C	Three years
D	Ten years

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Only when transmitting certain approved digital codes
B	Never
C	Only when transmitting control commands to space stations or radio control craft
D	Only during contests

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	All these choices are correct
B	Repeater operation
C	Controlling a model aircraft, boat, or car by amateur radio
D	Operating the station over the internet

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Select	Answer
A	The club must be registered with the American Radio Relay League
B	The trustee must have an Amateur Extra Class operator license grant
C	All these choices are correct
D	The club must have at least four members

10. - T2A12

What should you do before calling CQ?

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

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	Your repeater offset is inverted
B	You are talking too loudly
C	Your transmit power is too high
D	You need to talk louder

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only when part of a FEMA emergency plan
B	Yes, but only when part of a RACES emergency plan
C	No
D	Yes, but only in situations involving the immediate safety of human life or protection of property

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

Select	Answer
A	Absorption
B	Deflection
C	There is little effect
D	Range increase

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They travel at different speeds
B	They are at right angles
C	They are in parallel
D	They revolve in opposite directions

15. - T3C03

What is a characteristic of VHF signals received via auroral backscatter?

Select	Answer
A	They are often received from 10,000 miles or more
B	They are generally strongest when your antenna is aimed west
C	They are distorted and signal strength varies considerably
D	They occur only during winter nighttime hours

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	Receive audio, transmit audio, and transmitter keying
B	NMEA GPS location and DC power
C	Receive and transmit mode, status, and location
D	Antenna and RF power

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	The codec type being used
B	All these choices are correct
C	Your call sign
D	Your output power

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Farad
B	Henry
C	Tesla
D	Hertz

19. - T5B09

Which decibel value most closely represents a power increase from 5 watts to 10 watts?

Select	Answer
A	10 dB
B	5 dB
C	3 dB
D	2 dB

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	mh
B	MHz
C	Mhz
D	MH

21. - T5D03

What formula is used to calculate resistance in a circuit?

Select	Answer
A	R = E / I
B	R = E - I
C	R = E x I
D	R = E + I

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Inductor
B	Varistor
C	Diode
D	Capacitor

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	On resistance
B	Forward voltage drop
C	Gain
D	Forward resistance

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Capacitor
B	Resistor
C	Regulator IC
D	Transistor

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To prevent coupling of unwanted signals to or from the wire
B	To increase the current carrying capability of the wire
C	To couple the wire to other signals
D	To decrease the resistance of DC power connections

26. - T7A11

Where is an RF preamplifier installed?

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

27. - T7B05

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

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

28. - T7C07

What happens to power lost in a feed line?

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

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

Select	Answer
A	In series
B	In phase
C	In quadrature
D	In parallel

30. - T8A05

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

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

31. - T8B09

What causes spin fading of satellite signals?

Select	Answer
A	Doppler shift of the received signal
B	Circular polarized noise interference radiated from the sun
C	Rotation of the satellite and its antennas
D	Interfering signals within the satellite uplink band

32. - T8C04

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

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

33. - T8D13

What is FT8?

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

34. - T9A01

What is a beam antenna?

Select	Answer
A	An antenna that reverses the phase of received signals
B	An antenna that concentrates signals in one direction
C	An antenna built from aluminum I-beams
D	An omnidirectional antenna invented by Clarence Beam

35. - T9B07

Which of the following is true of PL-259 type coax connectors?

Select	Answer
A	They are a bayonet-type connector
B	They are preferred for microwave operation
C	They are commonly used at HF and VHF frequencies
D	They are watertight

Figure T-2