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	Install mechanical interlocks in high-voltage circuits
C	Use three-wire cords and plugs for all AC powered equipment
D	All these choices are correct

2. - T0B05

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

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

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	Relocate the transmitter
B	All these choices are correct
C	Increase the duty cycle
D	Relocate antennas

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	International Telecommunication Union
B	FCC Regional Field Office
C	Frequency Spectrum Manager appointed by the FCC
D	Volunteer Frequency Coordinator recognized by local amateurs

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

Select	Answer
A	On any band if the power is limited to 25 watts
B	In at least some segment of all these bands
C	Only in sub-bands allocated to General class or higher licensees
D	Only on repeaters

6. - T1C08

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

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

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	Never
B	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
C	When such communications are directly related to the immediate safety of human life or protection of property
D	When broadcasting communications to or from the space shuttle

8. - T1E01

When may an amateur station transmit without a control operator?

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

9. - T1F01

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

Select	Answer
A	At any time ten days after notification by the FCC of such an inspection
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 upon request by an FCC representative

10. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Select	Answer
A	Full duplex
B	Multiplex
C	Simplex
D	Diplex

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network
B	Multiple repeaters with the same control operator
C	A single repeater with more than one receiver
D	A system of repeaters linked by APRS

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
B	All these choices are correct
C	Unless you are reporting an emergency, transmit only when directed by the net control station
D	Record the time of each of your transmissions

13. - T3A09

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

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

14. - T3B04

What is the velocity of a radio wave traveling through free space?

Select	Answer
A	Speed that increases as the frequency increases
B	Speed inversely proportional to its wavelength
C	Speed of light
D	Speed of sound

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	UHF signals are absorbed by the ionospheric D region
B	They are too weak to go very far
C	UHF signals are usually not propagated by the ionosphere
D	FCC regulations prohibit them from going more than 50 miles

16. - T4A11

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

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

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

Select	Answer
A	Enable the VOX
B	Enable the frequency offset
C	Store it in a memory channel
D	Use the scan mode to select the desired frequency

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Frequency
B	Wavelength
C	Speed
D	Pulse rate

19. - T5B07

Which is equal to 3.525 MHz?

Select	Answer
A	0.003525 kHz
B	3525 kHz
C	3,525,000 kHz
D	35.25 kHz

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	Mhz
B	MH
C	mh
D	MHz

21. - T5D01

What formula is used to calculate current in a circuit?

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

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	Two circuits are opened or closed
B	A single circuit is switched between one of two other circuits
C	A single circuit is opened or closed
D	Two circuits are each switched between one of two other circuits

23. - T6B02

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

Select	Answer
A	Resistor
B	Fuse
C	Driven element
D	Diode

24. - T6C12

Which of the following is accurately represented in electrical schematics?

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

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Relay
B	Transistor
C	Meter
D	Potentiometer

26. - T7A10

What device increases the transmitted output power from a transceiver?

Select	Answer
A	An impedance network
B	All these choices are correct
C	An RF power amplifier
D	A voltage divider

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Change to a higher power level
B	Talk louder into the microphone
C	Let the transceiver cool off
D	Talk farther away from the microphone

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Iambic pentameter
B	Directional wattmeter
C	Voltmeter
D	Ohmmeter

29. - T7D04

Which instrument is used to measure electric current?

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

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

Select	Answer
A	AM
B	SSB
C	FM or PM
D	PSK

31. - T8B03

Which of the following are provided by satellite tracking programs?

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

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	D-STAR
B	EchoLink
C	DMR
D	IRLP

33. - T8D10

Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

Select	Answer
A	Weak signal propagation beacons
B	All these choices are correct
C	Meteor scatter
D	Earth-Moon-Earth

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

Select	Answer
A	A travelling-wave antenna
B	A ground-wave antenna
C	A horizontally polarized antenna
D	A vertically polarized antenna

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	A measure of how well a load is matched to a transmission line
B	The ratio of amplifier power output to input
C	The transmitter efficiency ratio
D	An indication of the quality of your station’s ground connection