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. - T0A05

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

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

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

Select	Answer
A	Wires must be carefully routed with precise right-angle bends
B	Common grounds must be avoided
C	Use only non-insulated wire
D	Sharp bends must be avoided

3. - T0C01

What type of radiation are radio signals?

Select	Answer
A	Non-ionizing radiation
B	Gamma radiation
C	Ionizing radiation
D	Alpha radiation

4. - T1A08

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

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

5. - T1B10

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

Select	Answer
A	Only in sub-bands allocated to General class or higher licensees
B	On any band if the power is limited to 25 watts
C	In at least some segment of all these bands
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	When such communications are directly related to the immediate safety of human life or protection of property
B	When broadcasting communications to or from the space shuttle
C	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
D	Never

8. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Controlling a station over the internet
B	Using a computer or other device to send CW automatically
C	Repeater operation
D	Using a computer or other device to identify automatically

9. - T1F09

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

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

10. - T2A11

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

Select	Answer
A	Diplex
B	Full duplex
C	Simplex
D	Multiplex

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QTH
B	QRN
C	QSB
D	QRM

12. - T2C02

Which of the following are typical duties of a Net Control Station?

Select	Answer
A	All these choices are correct
B	Choose the regular net meeting time and frequency
C	Ensure that all stations checking into the net are properly licensed for operation on the net frequency
D	Call the net to order and direct communications between stations checking in

13. - T3A06

What is the meaning of the term “picket fencing”?

Select	Answer
A	A type of ground system used with vertical antennas
B	Alternating transmissions during a net operation
C	Rapid flutter on mobile signals due to multipath propagation
D	Local vs long-distance communications

14. - T3B10

What frequency range is referred to as HF?

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

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Knife-edge diffraction
B	Doppler shift
C	Quantum tunneling
D	Faraday rotation

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	24.0 volts at 4 amperes
B	24.0 volts at 12 amperes
C	13.8 volts at 12 amperes
D	13.8 volts at 4 amperes

17. - T4B08

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

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

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Voltage
B	Inductance
C	Ampere-hours
D	Capacitance

19. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	15,000 milliamperes
B	15 milliamperes
C	1500 milliamperes
D	150 milliamperes

20. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

Select	Answer
A	23.8 watts
B	3.8 watts
C	138 watts
D	0.7 watts

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	0.1 amperes
B	216 amperes
C	24,000 amperes
D	10 amperes

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	Lead-acid
B	Lithium-ion
C	All these choices are correct
D	Nickel-metal hydride

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	Gain
B	On resistance
C	Forward resistance
D	Forward voltage drop

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Light emitting diode
B	Regulator IC
C	Inductor
D	Resistor

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

Select	Answer
A	Phase inverter
B	Oscillator
C	Filter
D	Regulator

26. - T7A02

What is a transceiver?

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

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The audio amplifier of the transmitter is overloaded
B	The microphone gain of the transmitter is turned up too high
C	The deviation of an FM transmitter is set too low
D	The receiver is unable to reject strong signals outside the AM or FM band

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	1:1
B	50:50
C	Zero
D	Full Scale

29. - T7D04

Which instrument is used to measure electric current?

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

30. - T8A01

Which of the following is a form of amplitude modulation?

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

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite operates using ultraviolet frequencies
B	The satellite frequencies are usually variable
C	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
D	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band

32. - T8C10

What is required before using the EchoLink system?

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

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	A wide-bandwidth digital voice mode employing DMR protocols
B	An internet linking protocol used to network repeaters
C	A satellite communications network using modified commercial satellite TV hardware
D	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware

34. - T9A02

Which of the following describes a type of antenna loading?

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

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	50-ohm flexible coax
B	Air-insulated hardline
C	Multi-conductor unbalanced cable
D	75-ohm flexible coax

Figure T-2