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. - T0A08

Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

Select	Answer
A	In parallel with the hot and neutral conductors
B	In parallel with the hot conductor only
C	In series with the hot conductor only
D	In series with the hot and neutral conductors

2. - T0B05

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

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

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By making sure your antennas have low SWR
B	By informing the FCC of any changes made in your station
C	All these choices are correct
D	By re-evaluating the station whenever an item in the transmitter or antenna system is changed

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
B	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities
C	A government transmitter marking the amateur radio band edges
D	A bulletin sent by the FCC to announce a national emergency

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. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	KF1XXX
B	KA1X
C	All these choices are correct
D	W1XX

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Repeater, auxiliary, or space stations
B	Beacon, repeater, or space stations
C	Earth, repeater, or space stations
D	Auxiliary, beacon, or Earth stations

8. - T1E01

When may an amateur station transmit without a control operator?

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

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	At any time upon request by an FCC representative
B	Only when presented with a valid warrant by an FCC official or government agent
C	At any time after written notification by the FCC of such inspection
D	At any time ten days after notification by the FCC of such an inspection

10. - T2A09

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

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

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	For contest operation
B	So stations with simple transmitters can access the repeater without automated offset
C	So stations within range of each other can communicate without tying up a repeater
D	For working DX only

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	Ensuring that any newsworthy messages are relayed to the news media
B	Passing messages exactly as received
C	Making decisions as to whether messages are worthy of relay or delivery
D	All these choices are correct

13. - T3A11

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

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

14. - T3B09

What frequency range is referred to as UHF?

Select	Answer
A	300 to 3000 kHz
B	30 to 300 MHz
C	300 to 3000 MHz
D	30 to 300 kHz

15. - T3C08

What causes tropospheric ducting?

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

16. - T4A11

Where should the negative power return of a mobile transceiver be connected in a vehicle?

Select	Answer
A	At the 12 volt battery chassis ground
B	Through the transceiver’s mounting bracket
C	At the antenna mount
D	To any metal part of the vehicle

17. - T4B03

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

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

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Farad
B	Tesla
C	Henry
D	Hertz

19. - T5B09

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

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

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Inductance
B	Resistance
C	Admittance
D	Capacitance

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	10 volts
D	1 volt

22. - T6A05

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

Select	Answer
A	Potentiometer
B	Capacitor
C	Oscillator
D	Resistor

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Driven element
B	Resistor
C	Fuse
D	Diode

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Indicator lamp
B	Resistor
C	Transistor
D	Connector

25. - T6D08

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

Select	Answer
A	Potentiometer
B	Zener diode
C	Capacitor
D	Resistor

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Selectivity
B	Sensitivity
C	Total Harmonic Distortion
D	Linearity

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Add a high-pass filter to the TV antenna input
B	Be sure all TV feed line coaxial connectors are installed properly
C	Add a preamplifier to the TV antenna input
D	Add a low-pass filter to the TV antenna input

28. - T7C03

What does a dummy load consist of?

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

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Steady full-scale reading
B	Decreasing resistance with time
C	Increasing resistance with time
D	Alternating between open and short circuit

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	More than 10 MHz
B	About 3 MHz
C	About 6 MHz
D	About 1 MHz

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
B	The satellite operates using ultraviolet frequencies
C	The satellite frequencies are usually variable
D	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

Select	Answer
A	A technique employed to “spot” DX stations via the internet
B	A method of delivering voice communications over the internet using digital techniques
C	A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
D	A set of rules specifying how to identify your station when linked over the internet to another station

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	GPS position data
B	Weather data
C	All these choices are correct
D	Text messages

34. - T9A02

Which of the following describes a type of antenna loading?

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

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Loose connection in the antenna or feed line
B	Local thunderstorm
C	Overload from a strong local station
D	Over-modulation

Figure T-1