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. - T0A04

What is the purpose of a fuse in an electrical circuit?

Select	Answer
A	To remove power in case of overload
B	All these choices are correct
C	To prevent power supply ripple from damaging a component
D	To limit current to prevent shocks

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

Select	Answer
A	The height of the power line above ground
B	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
C	Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
D	1/2 wavelength at the operating frequency

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	All these choices are correct
B	By measurement of field strength using calibrated equipment
C	By calculation based on FCC OET Bulletin 65
D	By calculation based on computer modeling

4. - T1A11

When is willful interference to other amateur radio stations permitted?

Select	Answer
A	To stop another amateur station that is breaking the FCC rules
B	At any time, stations in the Amateur Radio Service are not protected from willful interference
C	At no time
D	When making short test transmissions

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	To allow for transmitter frequency drift
B	To allow for calibration error in the transmitter frequency display
C	All these choices are correct
D	So that modulation sidebands do not extend beyond the band edge

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	All these choices are correct
B	W1XX
C	KF1XXX
D	KA1X

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	Two-way transmissions by amateur stations
C	Any transmission made by the licensed station
D	Transmission of messages directed only to amateur operators

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	All these choices are correct
B	Operating the station over the internet
C	Repeater operation
D	Controlling a model aircraft, boat, or car by amateur radio

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	Beacon station
C	Repeater station
D	Message forwarding station

10. - T2A08

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

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

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	For working DX only
B	So stations within range of each other can communicate without tying up a repeater
C	So stations with simple transmitters can access the repeater without automated offset
D	For contest operation

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

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Try to find a path that reflects signals to the repeater
B	Try the long path
C	Increase the antenna SWR
D	Change from vertical to horizontal polarization

14. - T3B10

What frequency range is referred to as HF?

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

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	D region absorption
B	Sporadic E
C	Gray-line propagation
D	Backscatter

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	The types of modulation being used at the station
B	The frequency and power level at which the measurements will be made
C	The distance that the meter will be located from the antenna
D	All these choices are correct

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

Select	Answer
A	Frequency instability
B	Distorted transmitted audio
C	All these choices are correct
D	Increased SWR

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	Pulse rate
D	Speed

19. - T5B07

Which is equal to 3.525 MHz?

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

20. - T5C06

What does the abbreviation “RF” mean?

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

21. - T5D03

What formula is used to calculate resistance in a circuit?

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

22. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Diode
B	Inductor
C	Varistor
D	Capacitor

23. - T6B01

Which is true about forward voltage drop in a diode?

Select	Answer
A	It indicates that the diode is defective
B	It is lower in some diode types than in others
C	It has no impact on the voltage delivered to the load
D	It is proportional to peak inverse voltage

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Transistor
B	Resistor
C	Lamp
D	Ground symbol

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Transformer
B	Variable capacitor
C	Transistor
D	Diode

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for matching feed line impedance to 50 ohms
B	A device for automatically sending and decoding Morse code
C	A device for converting receiver and transmitter frequencies to another band
D	A device that combines a receiver and transmitter

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	Your transmitter is slightly off frequency
B	Your batteries are running low
C	All these choices are correct
D	You are in a bad location

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A low-voltage power supply and a DC relay
B	A high-gain amplifier and a TR switch
C	A 50-ohm reactance used to terminate a transmission line
D	A non-inductive resistor mounted on a heat sink

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	SSB
B	DRM
C	PM
D	FM

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	A change in the satellite orbit
B	A mode where the satellite receives signals on one band and transmits on another
C	A special digital communications mode for some satellites
D	An observed change in signal frequency caused by relative motion between the satellite and Earth station

32. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

Select	Answer
A	All these choices are correct
B	A directional antenna
C	Calibrated SWR meter
D	A calibrated noise bridge

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing information on the number of stations signed into a repeater
B	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
C	Showing automatically the number of packets transmitted via PACTOR during a specific time interval
D	Providing voice over internet connection between repeaters

34. - T9A02

Which of the following describes a type of antenna loading?

Select	Answer
A	Strengthening the radiating elements of a beam antenna to better resist wind damage
B	Installing a spring in the base of a mobile vertical antenna to make it more flexible
C	Electrically lengthening by inserting inductors in radiating elements
D	Inserting a resistor in the radiating portion of the antenna to make it resonant

35. - T9B12

What is standing wave ratio (SWR)?

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

Figure T-1