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. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

Select	Answer
A	At the output connector of a transceiver
B	At the antenna feed point
C	At the ac power service panel
D	On a grounded panel near where feed lines enter the building

2. - T0B02

What is required when climbing an antenna tower?

Select	Answer
A	All these choices are correct
B	Use appropriate tie-off to the tower at all times
C	Have sufficient training on safe tower climbing techniques
D	Always wear an approved climbing harness

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	There is no adjustment allowed for lower duty cycle
B	It decreases by 50 percent
C	It increases by a factor of 2
D	It increases by a factor of 3

4. - T1A02

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

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

5. - T1B06

On which HF bands does a Technician class operator have phone privileges?

Select	Answer
A	None
B	30 meter band only
C	80 meter, 40 meter, 15 meter, and 10 meter bands
D	10 meter band only

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Ten years
B	Life
C	Five years
D	Eight years

7. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

Select	Answer
A	When no profit is made on the sale
B	When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
C	Never
D	When selling amateur radio equipment and not on a regular basis

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

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

Select	Answer
A	All these choices are correct
B	The licensed control operator must do the station identification
C	The person must be a U.S. citizen
D	The foreign station must be in a country with which the U.S. has a third party agreement

10. - T2A07

What is meant by "repeater offset”?

Select	Answer
A	The number of simultaneous transmit frequencies used by a repeater
B	The difference between a repeater’s transmit and receive frequencies
C	The repeater station identification is done on a separate frequency
D	The repeater has a time delay to prevent interference

11. - T2B13

What is the purpose of a squelch function?

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

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

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	FM voice is unusable
B	Digital modes are unusable
C	Both the transmitting and receiving antennas must be of the same polarization
D	Either vertically or horizontally polarized antennas may be used for transmission or reception

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	The atmosphere refracts radio waves slightly
B	Radio waves are not blocked by dust particles
C	Radio waves are blocked by dust particles
D	Radio signals move somewhat faster than the speed of light

16. - T4A08

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

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

17. - T4B05

What does the scanning function of an FM transceiver do?

Select	Answer
A	Checks incoming signal deviation
B	Checks for messages left on a digital bulletin board
C	Prevents interference to nearby repeaters
D	Tunes through a range of frequencies to check for activity

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Glass
B	Aluminum
C	Copper
D	Mercury

19. - T5B01

How many milliamperes is 1.5 amperes?

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

20. - T5C12

What is impedance?

Select	Answer
A	The power handling capability of a component
B	The opposition to AC current flow
C	The Q or Quality Factor of a component
D	The inverse of resistance

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	20,000 amperes
B	0.5 amperes
C	100 amperes
D	2 amperes

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Field strength
B	Inductance
C	Capacitance
D	Resistance

23. - T6B08

What does the abbreviation FET stand for?

Select	Answer
A	Free Electron Transmitter
B	Field Effect Transistor
C	Frequency Emission Transmitter
D	Fast Electron Transistor

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Resistor
B	Transistor
C	Ground symbol
D	Battery

25. - T6D07

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

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

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Inverter
B	Phase splitter
C	Amplifier
D	Mixer

27. - T7B03

Which of the following can cause radio frequency interference?

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

28. - T7C02

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

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

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Acid-core solder
B	Rosin-core solder
C	Lead-tin solder
D	Tin-copper solder

30. - T8A10

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

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

31. - T8B10

What is a LEO satellite?

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

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A beacon
B	A gateway
C	A repeater
D	A digipeater

33. - T8D06

What does the abbreviation "PSK" mean?

Select	Answer
A	Pulse Shift Keying
B	Packet Short Keying
C	Phase Shift Keying
D	Phased Slide Keying

34. - T9A01

What is a beam antenna?

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

35. - T9B04

What is the major function of an antenna tuner (antenna coupler)?

Select	Answer
A	It allows an antenna to be used on both transmit and receive
B	It helps a receiver automatically tune in weak stations
C	It automatically selects the proper antenna for the frequency band being used
D	It matches the antenna system impedance to the transceiver's output impedance

Figure T-1