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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Inverse memory effect
B	Overheating or out-gassing
C	Half-wave rectification
D	Excess output ripple

2. - T0B06

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

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

3. - T0C02

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

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

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	A printed copy of the certificate of successful completion of examination
B	All these choices are correct
C	The license appears in the FCC ULS database
D	An email notification from the NCVEC granting the license

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

Select	Answer
A	219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
B	50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
C	All these choices are correct
D	902.0 MHz to 902.1 MHz

6. - T1C08

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

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

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

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	The FCC
B	The frequency coordinator
C	The station licensee
D	Any licensed operator

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

Select	Answer
A	Never, the tactical call is sufficient
B	At the end of every transmission
C	Once during every hour
D	At the end of each communication and every ten minutes during a communication

10. - T2A08

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

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

11. - T2B12

What is the purpose of the color code used on DMR repeater systems?

Select	Answer
A	Defines the frequency pair to use
B	Must match the repeater color code for access
C	Identifies the codec used
D	Defines the minimum signal level required for access

12. - T2C04

What is RACES?

Select	Answer
A	An FCC part 97 amateur radio service for civil defense communications during national emergencies
B	An emergency organization combining amateur radio and citizens band operators and frequencies
C	A radio contest held in a short period, sometimes called a “sprint”
D	An international radio experimentation society

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

Select	Answer
A	Left-hand circular
B	Vertical
C	Horizontal
D	Right-hand circular

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength gets shorter as frequency increases
B	Wavelength gets longer as frequency increases
C	Wavelength and frequency increase as path length increases
D	Wavelength and frequency are unrelated

15. - T3C03

What is a characteristic of VHF signals received via auroral backscatter?

Select	Answer
A	They are often received from 10,000 miles or more
B	They occur only during winter nighttime hours
C	They are generally strongest when your antenna is aimed west
D	They are distorted and signal strength varies considerably

16. - T4A12

What is an electronic keyer?

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

17. - T4B08

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

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

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Mercury
B	Copper
C	Aluminum
D	Glass

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	12 dB
B	18 dB
C	10 dB
D	28 dB

20. - T5C09

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

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

21. - T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

Select	Answer
A	0.25 volts
B	1 volt
C	2.5 volts
D	1.5 volts

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

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Potentiometer
B	Variable inductor
C	Double-pole switch
D	Transformer

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To decrease the resistance of DC power connections
B	To prevent coupling of unwanted signals to or from the wire
C	To couple the wire to other signals
D	To increase the current carrying capability of the wire

26. - T7A02

What is a transceiver?

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

27. - T7B11

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

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

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet and RF signals can mix, causing interference
B	Ultraviolet light can increase losses in the cable’s jacket
C	Ultraviolet resistant jackets prevent harmonic radiation
D	Ultraviolet light can damage the jacket and allow water to enter the cable

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Alternating between open and short circuit
B	Decreasing resistance with time
C	Steady full-scale reading
D	Increasing resistance with time

30. - T8A05

Which of the following types of signal has the narrowest bandwidth?

Select	Answer
A	Slow-scan TV
B	CW
C	FM voice
D	SSB voice

31. - T8B10

What is a LEO satellite?

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

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
B	A technique for measuring signal strength of an amateur transmitter via the internet
C	A system for informing amateurs in real time of the frequency of active DX stations
D	A system for providing access to websites via amateur radio

33. - T8D12

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

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

34. - T9A01

What is a beam antenna?

Select	Answer
A	An omnidirectional antenna invented by Clarence Beam
B	An antenna built from aluminum I-beams
C	An antenna that concentrates signals in one direction
D	An antenna that reverses the phase of received signals

35. - T9B12

What is standing wave ratio (SWR)?

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

Figure T-2