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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	All these choices are correct
B	The power supply ripple would greatly increase
C	Excessive current could cause a fire
D	The larger fuse would be likely to blow because it is rated for higher current

2. - T0B05

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

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

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 re-evaluating the station whenever an item in the transmitter or antenna system is changed
C	All these choices are correct
D	By informing the FCC of any changes made in your station

4. - T1A02

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

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

5. - T1B10

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

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

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur with a General or Amateur Extra Class license
B	Any licensed amateur
C	Only a licensed amateur who has been licensed continuously for more than 10 years
D	Only a licensed amateur with an Amateur Extra Class license

7. - T1D10

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

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

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	Only an Amateur Extra Class operator
B	Any amateur allowed to transmit on the satellite uplink frequency
C	A General class or higher licensee with a satellite operator certification
D	Only an Amateur Extra Class operator who is also an AMSAT member

9. - T1F10

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

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

10. - T2A03

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

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

11. - T2B03

Which of the following describes a linked repeater network?

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

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	All these choices are correct
C	Passing messages exactly as received
D	Making decisions as to whether messages are worthy of relay or delivery

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

Select	Answer
A	Range increase
B	There is little effect
C	Absorption
D	Deflection

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength and frequency are unrelated
B	Wavelength gets shorter as frequency increases
C	Wavelength gets longer as frequency increases
D	Wavelength and frequency increase as path length increases

15. - T3C08

What causes tropospheric ducting?

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

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

Select	Answer
A	Communication using digital voice or data systems via the internet
B	RTTY encoding and decoding without a computer
C	High-speed digital communications for meteor scatter
D	FT8 digital communications via AFSK

17. - T4B12

What is the result of tuning an FM receiver above or below a signal’s frequency?

Select	Answer
A	Change in audio pitch
B	Generation of a heterodyne tone
C	Sideband inversion
D	Distortion of the signal’s audio

18. - T5A10

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

Select	Answer
A	Power
B	Resistance
C	Current
D	Voltage

19. - T5B11

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

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

20. - T5C06

What does the abbreviation “RF” mean?

Select	Answer
A	The real frequency transmitted as opposed to the apparent frequency
B	Reflective force in antenna transmission lines
C	The resonant frequency of a tuned circuit
D	Radio frequency signals of all types

21. - T5D08

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

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

22. - T6A02

What type of component is often used as an adjustable volume control?

Select	Answer
A	Fixed resistor
B	Power resistor
C	Potentiometer
D	Transformer

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Source and drain
B	Plus and minus
C	Anode and cathode
D	Gate and base

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Lamp
B	Transistor
C	Ground symbol
D	Resistor

25. - T6D02

What is a relay?

Select	Answer
A	An inverting amplifier
B	A current controlled amplifier
C	An electrically-controlled switch
D	A pass transistor

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	Low-pass filter
B	High-pass filter
C	Phase converter
D	Transverter

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Using double-shielded coaxial cable
B	Installing an RF preamplifier
C	Installing a band-reject filter
D	Installing bypass capacitors on the microphone cable

28. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To improve the signal-to-noise ratio of a receiver
B	To prevent over-modulation of a transmitter
C	To improve the efficiency of an antenna
D	To prevent transmitting signals over the air when making tests

29. - T7D10

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

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

30. - T8A04

Which type of modulation is commonly used for VHF and UHF voice repeaters?

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

31. - T8B11

Who may receive telemetry from a space station?

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

32. - T8C05

What is a grid locator?

Select	Answer
A	A letter-number designator assigned to a geographic location
B	A letter-number designator assigned to an azimuth and elevation
C	An instrument for radio direction finding
D	An instrument for neutralizing a final amplifier

33. - T8D06

What does the abbreviation "PSK" mean?

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

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	It transmits only circularly polarized signals
B	It has low efficiency
C	All these choices are correct
D	It is mechanically fragile

35. - T9B07

Which of the following is true of PL-259 type coax connectors?

Select	Answer
A	They are commonly used at HF and VHF frequencies
B	They are watertight
C	They are preferred for microwave operation
D	They are a bayonet-type connector

Figure T-1