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. - T0A06

What is a good way to guard against electrical shock at your station?

Select	Answer
A	Connect all AC powered station equipment to a common safety ground
B	All these choices are correct
C	Use three-wire cords and plugs for all AC powered equipment
D	Install mechanical interlocks in high-voltage circuits

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	When the work being done is not more than 20 feet above the ground
B	When no mechanical work is being performed
C	Never
D	When no electrical work is being performed

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	RF burn to skin
B	Radiation poisoning
C	Electrocution
D	All these choices are correct

4. - T1A07

What is the FCC Part 97 definition of a space station?

Select	Answer
A	A manned satellite orbiting Earth
B	An amateur station using amateur radio satellites for relay of signals
C	An amateur station located more than 50 km above Earth's surface
D	Any satellite orbiting Earth

5. - T1B06

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

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

6. - T1C08

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

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

7. - T1D10

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

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

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	The FCC
B	The station licensee
C	The frequency coordinator
D	Any licensed operator

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	The owner of the repeater
B	Both the originating station and the repeater owner
C	The control operator of the repeater
D	The control operator of the originating station

10. - T2A08

What is the meaning of the procedural signal “CQ”?

Select	Answer
A	Only the called station should transmit
B	Test transmission, no reply expected
C	Calling any station
D	Call on the quarter hour

11. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

Select	Answer
A	Carrier squelch
B	CTCSS
C	Tone burst
D	DTMF

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

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	Range increase
C	Deflection
D	There is little effect

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The ratio of the energy in the magnetic field to the energy in the electric field
B	The ratio of the velocity to the wavelength
C	The orientation of the electric field
D	The orientation of the magnetic field

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 high sunspot activity
C	From shortly after sunset to dawn during periods of high sunspot activity
D	From dawn to shortly after sunset during periods of low sunspot activity

16. - T4A06

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

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

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Permits monitoring several modes at once by selecting a separate filter for each mode
B	Increases the amount of offset between receive and transmit frequencies
C	Permits noise or interference reduction by selecting a bandwidth matching the mode
D	Increases the number of frequencies that can be stored in memory

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Ohms
B	Mhos
C	Coulombs
D	Siemens

19. - T5B04

Which is equal to one microvolt?

Select	Answer
A	One thousand kilovolts
B	One one-millionth of a volt
C	One one-thousandth of a volt
D	One million volts

20. - T5C03

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

Select	Answer
A	Resistance
B	Capacitance
C	Admittance
D	Inductance

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	0.2 volts
B	12 volts
C	20 volts
D	8 volts

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Capacitance
B	Field strength
C	Resistance
D	Inductance

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Varistor
B	Thermistor
C	Transistor
D	Potentiometer

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Transistor
B	Regulator IC
C	Capacitor
D	Resistor

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	A linear voltage regulator
B	A resistor circuit used for reducing standing wave ratio
C	A circuit designed to provide high-fidelity audio
D	An inductor and a capacitor in series or parallel

26. - T7A11

Where is an RF preamplifier installed?

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

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

28. - T7C07

What happens to power lost in a feed line?

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

29. - T7D04

Which instrument is used to measure electric current?

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

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Packet radio
B	Spread spectrum
C	Phase shift keying (PSK)
D	Single sideband

31. - T8B03

Which of the following are provided by satellite tracking programs?

Select	Answer
A	Maps showing the real-time position of the satellite track over Earth
B	All these choices are correct
C	The apparent frequency of the satellite transmission, including effects of Doppler shift
D	The time, azimuth, and elevation of the start, maximum altitude, and end of a pass

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	Purchase a license to use the EchoLink software
B	Register your call sign and provide proof of license
C	Complete the required EchoLink training
D	All these choices are correct

33. - T8D13

What is FT8?

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

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	50
B	12
C	112
D	19

35. - T9B09

What can cause erratic changes in SWR?

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

Figure T-2