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. - T0A11

What hazard exists in a power supply immediately after turning it off?

Select	Answer
A	Leakage flux in the power transformer
B	Voltage transients from kickback diodes
C	Charge stored in filter capacitors
D	Circulating currents in the dc filter

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	Ensure that connections are short and direct
B	Make sure all ground wire bends are right angles
C	All these choices are correct
D	Put a drip loop in the ground connection to prevent water damage to the ground system

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
B	By making sure your antennas have low SWR
C	All these choices are correct
D	By informing the FCC of any changes made in your station

4. - T1A11

When is willful interference to other amateur radio stations permitted?

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

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	10 watts
B	50 watts
C	200 watts
D	100 watts

6. - T1C08

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

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

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	The ITU maintains a list of words that are not permitted to be used on amateur frequencies
B	The FCC maintains a list of words that are not permitted to be used on amateur frequencies
C	Any such language is prohibited
D	There is no such prohibition

8. - T1E06

When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

Select	Answer
A	When using a club station whose trustee holds an Amateur Extra Class license
B	When designated as the control operator by an Amateur Extra Class licensee
C	At no time
D	As part of a multi-operator contest team

9. - T1F01

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

Select	Answer
A	At any time upon request by an FCC representative
B	At any time ten days after notification by the FCC of such an inspection
C	At any time after written notification by the FCC of such inspection
D	Only when presented with a valid warrant by an FCC official or government agent

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 5 MHz
C	Plus or minus 1 MHz
D	Plus or minus 500 kHz

11. - T2B04

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

Select	Answer
A	You are using the wrong CTCSS tone
B	Improper transceiver offset
C	All these choices are correct
D	You are using the wrong DCS code

12. - T2C10

What information is contained in the preamble of a formal traffic message?

Select	Answer
A	The address of the intended recipient
B	Information needed to track the message
C	The telephone number of the addressee
D	The email address of the originating station

13. - T3A09

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

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

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C07

What band is best suited for communicating via meteor scatter?

Select	Answer
A	2 meters
B	70 centimeters
C	6 meters
D	33 centimeters

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 avoid RF interference
C	To minimize voltage drop when transmitting
D	To provide a good counterpoise for the antenna

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	The codec for digitizing audio
B	Your call sign in CW for automatic identification
C	The DMR software version
D	Access information for repeaters and talkgroups

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	Direct current
B	RF current
C	All these choices are correct
D	Alternating current

19. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	284.00 MHz
B	28.400 MHz
C	2.800 MHz
D	28.400 kHz

20. - T5C06

What does the abbreviation “RF” mean?

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

21. - T5D03

What formula is used to calculate resistance in a circuit?

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

22. - T6A08

What is the function of an SPDT switch?

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

23. - T6B08

What does the abbreviation FET stand for?

Select	Answer
A	Fast Electron Transistor
B	Field Effect Transistor
C	Frequency Emission Transmitter
D	Free Electron Transmitter

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Ground symbol
B	Transistor
C	Resistor
D	Battery

25. - T6D04

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

Select	Answer
A	Relay
B	Potentiometer
C	Meter
D	Transistor

26. - T7A06

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

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

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

Select	Answer
A	Reports of garbled, distorted, or unintelligible voice transmissions
B	Excessive SWR at the antenna connection
C	The transmitter will not stay on the desired frequency
D	Frequent blowing of power supply fuses

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Operation at 100% duty cycle for an extended period
B	Rapid fluctuation in transmitter output power
C	Solder flux contamination
D	Moisture contamination

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Attempting to measure voltage when using the resistance setting
B	Attempting to measure resistance using the voltage setting
C	Failing to connect one of the probes to ground
D	Not allowing it to warm up properly

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	150 Hz
B	1000 Hz
C	2.4 kHz
D	15 kHz

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

Select	Answer
A	Listen for distortion on your downlink signal
B	All these choices are correct
C	Your signal strength on the downlink should be about the same as the beacon
D	Check your signal strength report in the telemetry data

32. - T8C10

What is required before using the EchoLink system?

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

33. - T8D13

What is FT8?

Select	Answer
A	A wideband FM voice mode
B	An eight channel multiplex mode for FM repeaters
C	A digital mode capable of low signal-to-noise operation
D	A digital slow-scan TV mode with forward error correction and automatic color compensation

34. - T9A02

Which of the following describes a type of antenna loading?

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

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	Less antenna wear
B	All these choices are correct
C	Reduced television interference
D	Reduced signal loss

Figure T-1