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. - T0A12

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

Select	Answer
A	Ensure that the voltmeter has very low impedance
B	Ensure that the voltmeter is set to the correct frequency
C	Ensure that the voltmeter and leads are rated for use at the voltages to be measured
D	Ensure that the circuit is grounded through the voltmeter

2. - T0B10

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

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

3. - T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?

Select	Answer
A	3.5 MHz
B	440 MHz
C	50 MHz
D	1296 MHz

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Advancing skills in the technical and communication phases of the radio art
B	All these choices are correct
C	Providing communications for international non-profit organizations
D	Providing personal radio communications for as many citizens as possible

5. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

Select	Answer
A	Emergency traffic only
B	Fast-scan television only
C	Spread spectrum only
D	Fixed digital message forwarding systems only

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Communications incidental to conducting business or remarks of a personal nature
B	Only communications incidental to contest exchanges; all other communications are prohibited
C	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
D	Any communications that would be permitted by an international broadcast station

7. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

Select	Answer
A	Never
B	When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
C	When selling amateur radio equipment and not on a regular basis
D	When no profit is made on the sale

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	Only the station licensee
D	All licensed amateurs who are present at the operation

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

Select	Answer
A	The foreign station must be in a country with which the U.S. has a third party agreement
B	The person must be a U.S. citizen
C	All these choices are correct
D	The licensed control operator must do the station identification

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	Ask if the frequency is in use
B	Make sure you are authorized to use that frequency
C	Listen first to be sure that no one else is using the frequency
D	All these choices are correct

11. - T2B08

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

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

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	Passing messages exactly as received
B	All these choices are correct
C	Making decisions as to whether messages are worthy of relay or delivery
D	Ensuring that any newsworthy messages are relayed to the news media

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Knife-edge diffraction
B	Amplification
C	Polarization rotation
D	Absorption

14. - T3B08

What frequency range is referred to as VHF?

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

15. - T3C02

What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

Select	Answer
A	HF accommodates wider bandwidth signals
B	There is less atmospheric interference (static) on HF
C	Long-distance ionospheric propagation is far more common on HF
D	HF antennas are generally smaller

16. - T4A12

What is an electronic keyer?

Select	Answer
A	An interlock to prevent unauthorized use of a radio
B	A device that assists in manual sending of Morse code
C	A device for switching antennas from transmit to receive
D	A device for voice activated switching from receive to transmit

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	2400 Hz
B	5000 Hz
C	500 Hz
D	1000 Hz

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Farad
B	Henry
C	Hertz
D	Tesla

19. - T5B03

Which is equal to one kilovolt?

Select	Answer
A	One million volts
B	One hundred volts
C	One one-thousandth of a volt
D	One thousand volts

20. - T5C02

What is the unit of capacitance?

Select	Answer
A	The volt
B	The ohm
C	The farad
D	The henry

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	12 volts
B	0.2 volts
C	20 volts
D	8 volts

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Field strength
B	Inductance
C	Resistance
D	Capacitance

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Triode
B	Pentagrid converter
C	Alternator
D	Transistor

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Transistor
B	Resistor
C	Battery
D	Ground symbol

25. - T6D02

What is a relay?

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

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Amplifier
B	Phase splitter
C	Mixer
D	Inverter

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	Low-pass filter
B	Band-pass filter
C	Preamplifier
D	Ferrite choke

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A high-gain amplifier and a TR switch
B	A 50-ohm reactance used to terminate a transmission line
C	A low-voltage power supply and a DC relay
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	A voltmeter
C	An ammeter
D	An ohmmeter

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	SSB signals are less susceptible to interference
B	SSB signals have narrower bandwidth
C	All these choices are correct
D	SSB signals are easier to tune in correctly

31. - T8B07

What is Doppler shift in reference to satellite communications?

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

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Contesting
B	Net operations
C	Public service events
D	Simulated emergency exercises

33. - T8D12

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

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

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	19
B	12
C	50
D	112

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