US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Anonymous User

US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Logging in (or registering) will help the system to select questions that you need to focus on.

1. - T0A06

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

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

2. - T0B07

Which of the following is an important safety rule to remember when using a crank-up tower?

Select	Answer
A	This type of tower must never be grounded
B	This type of tower must never be painted
C	All these choices are correct
D	This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed

3. - T0C04

What factors affect the RF exposure of people near an amateur station antenna?

Select	Answer
A	Radiation pattern of the antenna
B	Frequency and power level of the RF field
C	All these choices are correct
D	Distance from the antenna to a person

4. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

Select	Answer
A	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
B	A radio service using amateur stations for emergency management or civil defense communications
C	All these choices are correct
D	A radio service using amateur frequencies for emergency management or civil defense communications

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	28.100 MHz to 28.300 MHz
C	28.050 MHz to 28.150 MHz
D	28.500 MHz to 28.600 MHz

6. - T1C08

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

Select	Answer
A	Eight years
B	Five years
C	Life
D	Ten 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	When broadcasting communications to or from the space shuttle
C	When such communications are directly related to the immediate safety of human life or protection of property
D	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network

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 the transmitting station is an auxiliary station
C	Never
D	When using automatic control, such as in the case of a repeater

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Earth station
B	Repeater station
C	Message forwarding station
D	Beacon station

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

Select	Answer
A	Plus or minus 600 kHz
B	Plus or minus 1 MHz
C	Plus or minus 5 MHz
D	Plus or minus 500 kHz

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	Your repeater offset is inverted
B	Your transmit power is too high
C	You need to talk louder
D	You are talking too loudly

12. - T2C06

What is the Amateur Radio Emergency Service (ARES)?

Select	Answer
A	A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
B	A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
C	A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
D	A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	Error rates are likely to increase
B	No significant changes will occur if the signals are transmitted using FM
C	Transmission rates must be increased by a factor equal to the number of separate paths observed
D	Transmission rates must be decreased by a factor equal to the number of separate paths observed

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	30 to 300 MHz
B	300 to 3000 MHz
C	3 to 30 MHz
D	300 to 3000 kHz

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

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	All these choices are correct
B	To provide a good counterpoise for the antenna
C	To minimize voltage drop when transmitting
D	To avoid RF interference

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	2400 Hz
B	5000 Hz
C	1000 Hz
D	500 Hz

18. - T5A10

Which term describes the rate at which electrical energy is used?

Select	Answer
A	Resistance
B	Power
C	Current
D	Voltage

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	12 dB
B	18 dB
C	10 dB
D	28 dB

20. - T5C02

What is the unit of capacitance?

Select	Answer
A	The farad
B	The henry
C	The ohm
D	The volt

21. - T5D02

What formula is used to calculate voltage in a circuit?

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

22. - T6A11

Which of the following battery chemistries is not rechargeable?

Select	Answer
A	Nickel-cadmium
B	Lithium-ion
C	Carbon-zinc
D	Lead-acid

23. - T6B02

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

Select	Answer
A	Fuse
B	Diode
C	Driven element
D	Resistor

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Connector pinout
B	Schematic
C	Flow chart
D	Bill of materials

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Select	Answer
A	Rectifier
B	Transformer
C	Amplifier
D	Reflector

26. - T7A05

What is the name of a circuit that generates a signal at a specific frequency?

Select	Answer
A	Reactance modulator
B	Oscillator
C	Phase modulator
D	Low-pass filter

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

28. - T7C05

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

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

29. - T7D10

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

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

30. - T8A02

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

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

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	Anyone
B	A licensed radio amateur who has registered for an access code from AMSAT
C	A licensed radio amateur who has been certified by the protocol developer
D	A licensed radio amateur with a transmitter equipped for interrogating the satellite

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	EchoLink
B	D-STAR
C	IRLP
D	DMR

33. - T8D13

What is FT8?

Select	Answer
A	A digital mode capable of low signal-to-noise operation
B	A wideband FM voice mode
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. - T9A10

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

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

35. - T9B09

What can cause erratic changes in SWR?

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