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. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	Shorting the terminals can cause burns, fire, or an explosion
B	All these choices are correct
C	Touching both terminals with the hands can cause electrical shock
D	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas

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. - T0C01

What type of radiation are radio signals?

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

4. - T1A01

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

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

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

Select	Answer
A	28.300 MHz to 28.500 MHz
B	28.500 MHz to 28.600 MHz
C	28.050 MHz to 28.150 MHz
D	28.100 MHz to 28.300 MHz

6. - T1C09

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

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

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

Select	Answer
A	When the communication is incidental to classroom instruction at an educational institution
B	All these choices are correct
C	When the communication is related to the sale of amateur equipment by the control operator's employer
D	When the communication is made to obtain emergency information for a local broadcast station

8. - T1E01

When may an amateur station transmit without a control operator?

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

9. - T1F04

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

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

10. - T2A09

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

Select	Answer
A	“QSY” followed by your call sign
B	“CQ CQ” followed by the repeater’s call sign
C	The repeater call sign followed by the station’s call sign
D	The station’s call sign followed by the word “monitoring”

11. - T2B04

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

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

12. - T2C11

What is meant by “check” in a radiogram header?

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

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	Range increase
D	There is little effect

14. - T3B03

What are the two components of a radio wave?

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

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Sunspots and solar flares
B	Discharges of lightning during electrical storms
C	Updrafts from hurricanes and tornadoes
D	Temperature inversions in the atmosphere

16. - T4A08

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

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

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	The codec for digitizing audio
B	Your call sign in CW for automatic identification
C	The DMR software version
D	Access information for repeaters and talkgroups

18. - T5A07

Why are metals generally good conductors of electricity?

Select	Answer
A	They have relatively high density
B	They have many free electrons
C	They have many free protons
D	All these choices are correct

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	0.002425 GHz
B	24.25 GHz
C	2.425 GHz
D	2425 GHz

20. - T5C01

What describes the ability to store energy in an electric field?

Select	Answer
A	Tolerance
B	Resistance
C	Inductance
D	Capacitance

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

Select	Answer
A	8 ohms
B	0.125 ohms
C	18 ohms
D	13.5 ohms

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Capacitor
B	Diode
C	Inductor
D	Varistor

23. - T6B11

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

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

24. - T6C12

Which of the following is accurately represented in electrical schematics?

Select	Answer
A	Wire lengths
B	Component connections
C	All these choices are correct
D	Physical appearance of components

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

Select	Answer
A	Capacitor
B	Zener diode
C	Resistor
D	Potentiometer

26. - T7A06

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

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

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

Select	Answer
A	Reports of garbled, distorted, or unintelligible voice transmissions
B	The transmitter will not stay on the desired frequency
C	Frequent blowing of power supply fuses
D	Excessive SWR at the antenna connection

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

Select	Answer
A	To lower the SWR on the transmission line
B	To comply with FCC rules on spectral purity
C	To protect the output amplifier transistors
D	Because power supplies cannot supply enough current at high SWR

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Not allowing it to warm up properly
B	Failing to connect one of the probes to ground
C	Attempting to measure resistance using the voltage setting
D	Attempting to measure voltage when using the resistance setting

30. - T8A06

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

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

31. - T8B10

What is a LEO satellite?

Select	Answer
A	A satellite in low earth orbit
B	A highly elliptical orbit satellite
C	A satellite in low energy operation mode
D	A sun synchronous satellite

32. - T8C05

What is a grid locator?

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

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 digital mode capable of low signal-to-noise operation
D	A wideband FM voice mode

34. - T9A10

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

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

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	75-ohm flexible coax
B	Multi-conductor unbalanced cable
C	Air-insulated hardline
D	50-ohm flexible coax