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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Keep them as far apart as possible
B	Tune them for resonance on the lowest frequency of operation
C	Bond them together with heavy wire or conductive strap
D	Waterproof them with silicone caulk or electrical tape

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	The antenna could contact high-voltage power lines
B	The 60 Hz radiations from the feed line may increase the SWR
C	The antenna will not work properly because of induced voltages
D	All these choices are correct

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	All these choices are correct
B	Electrocution
C	Radiation poisoning
D	RF burn to skin

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	Frequency Spectrum Manager appointed by the FCC
C	International Telecommunication Union
D	Volunteer Frequency Coordinator recognized by local amateurs

5. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

Select	Answer
A	50 watts
B	100 watts
C	500 watts
D	1500 watts

6. - T1C05

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

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

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 such communications are directly related to the immediate safety of human life or protection of property
C	When broadcasting communications to or from the space shuttle
D	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

Select	Answer
A	Only the control operator
B	The control operator and the station licensee
C	All licensed amateurs who are present at the operation
D	Only the station licensee

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Select	Answer
A	All these choices are correct
B	The trustee must have an Amateur Extra Class operator license grant
C	The club must be registered with the American Radio Relay League
D	The club must have at least four members

10. - T2A08

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

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

11. - T2B08

Which of the following applies when two stations transmitting on the same frequency interfere with each other?

Select	Answer
A	Use subaudible tones so both stations can share the frequency
B	The stations should negotiate continued use of the frequency
C	Both stations should choose another frequency to avoid conflict
D	Interference is inevitable, so no action is required

12. - T2C02

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

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

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

Select	Answer
A	The mesosphere
B	The stratosphere
C	The troposphere
D	The ionosphere

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Impedance and reactance
B	Electric and magnetic fields
C	Voltage and current
D	Ionizing and non-ionizing radiation

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

16. - T4A08

Which of the following conductors is preferred for bonding at RF?

Select	Answer
A	Flat copper strap
B	Copper braid removed from coaxial cable
C	Twisted-pair cable
D	Steel wire

17. - T4B07

What does a DMR “code plug” contain?

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

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Aluminum
B	Copper
C	Mercury
D	Glass

19. - T5B09

Which decibel value most closely represents a power increase from 5 watts to 10 watts?

Select	Answer
A	5 dB
B	2 dB
C	10 dB
D	3 dB

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	The resonant frequency of a tuned circuit
D	Reflective force in antenna transmission lines

21. - T5D04

What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

Select	Answer
A	30 ohms
B	3 ohms
C	270 ohms
D	93 ohms

22. - T6A08

What is the function of an SPDT switch?

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

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Signal, bias, power
B	Input, output, supply
C	Emitter, base, collector
D	Pole one, pole two, output

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Resistor
B	Transistor
C	Lamp
D	Ground symbol

25. - T6D01

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

Select	Answer
A	Amplifier
B	Transformer
C	Reflector
D	Rectifier

26. - T7A05

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

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

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Preamplifier
B	Band-pass filter
C	Ferrite choke
D	Low-pass filter

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Voltmeter
B	Directional wattmeter
C	Ohmmeter
D	Iambic pentameter

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. - T8A04

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

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

31. - T8B10

What is a LEO satellite?

Select	Answer
A	A satellite in low earth orbit
B	A sun synchronous satellite
C	A satellite in low energy operation mode
D	A highly elliptical orbit satellite

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	Send only the minimum information needed for proper identification and the contest exchange
B	All these choices are correct
C	Contact the station twice to be sure that you are in his log
D	Sign only the last two letters of your call if there are many other stations calling

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. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	112
B	236
C	50
D	6

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It has less loss than any other type of feed line
B	It is easy to use and requires few special installation considerations
C	It is less expensive than any other type of feed line
D	It can handle more power than any other type of feed line

Figure T-1