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	Half-wave rectification
C	Excess output ripple
D	Overheating or out-gassing

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	Wear a ground strap connected to your wrist at all times
B	Look for and stay clear of any overhead electrical wires
C	Insulate the base of the tower to avoid lightning strikes
D	All these choices are correct

3. - T0C09

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

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

4. - T1A11

When is willful interference to other amateur radio stations permitted?

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

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	To allow for transmitter frequency drift
B	To allow for calibration error in the transmitter frequency display
C	All these choices are correct
D	So that modulation sidebands do not extend beyond the band edge

6. - T1C01

For which license classes are new licenses currently available from the FCC?

Select	Answer
A	Novice, Technician Plus, General, Advanced
B	Novice, Technician, General, Amateur Extra
C	Technician, General, Amateur Extra
D	Technician, Technician Plus, General, Amateur Extra

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
B	Any country banned from making such communications by the American Radio Relay League (ARRL)
C	Any country banned from such communications by the International Amateur Radio Union (IARU)
D	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications

8. - T1E03

Who must designate the station control operator?

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

9. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

Select	Answer
A	Send the call sign followed by the indicator R
B	Send the call sign followed by the indicator RPT
C	Send the call sign using a CW or phone emission
D	Send the call sign using only a phone emission

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

11. - T2B10

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

Select	Answer
A	QSB
B	QRM
C	QTH
D	QRN

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only in situations involving the immediate safety of human life or protection of property
B	Yes, but only when part of a RACES emergency plan
C	Yes, but only when part of a FEMA emergency plan
D	No

13. - T3A02

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

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

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They are at right angles
B	They revolve in opposite directions
C	They are in parallel
D	They travel at different speeds

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	Tropospheric ducting
B	F2 region refraction
C	D region refraction
D	Faraday rotation

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	To minimize voltage drop when transmitting
B	To provide a good counterpoise for the antenna
C	To avoid RF interference
D	All these choices are correct

17. - T4B07

What does a DMR “code plug” contain?

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

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Tesla
B	Farad
C	Henry
D	Hertz

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	kHz
B	khZ
C	khz
D	KHZ

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Resonant
B	Series
C	Parallel
D	Branch

22. - T6A11

Which of the following battery chemistries is not rechargeable?

Select	Answer
A	Lead-acid
B	Lithium-ion
C	Nickel-cadmium
D	Carbon-zinc

23. - T6B08

What does the abbreviation FET stand for?

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

24. - T6C09

What is component 4 in figure T-2?

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

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Supply electrical energy
B	Convert electrical energy into radio waves
C	Give off light when current flows through it
D	Control the flow of current

26. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

Select	Answer
A	Change the frequency range of the amplifier to operate in the proper segment of the band
B	Set the amplifier for proper operation in the selected mode
C	Reduce the received signal noise
D	Change the mode of the transmitted signal

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	The transmitter will not stay on the desired frequency
C	Frequent blowing of power supply fuses
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 light can increase losses in the cable’s jacket
B	Ultraviolet resistant jackets prevent harmonic radiation
C	Ultraviolet and RF signals can mix, causing interference
D	Ultraviolet light can damage the jacket and allow water to enter the cable

29. - T7D06

Which of the following can damage a multimeter?

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

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	About 3 MHz
B	More than 10 MHz
C	About 1 MHz
D	About 6 MHz

31. - T8B08

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

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

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	D-STAR
B	IRLP
C	EchoLink
D	DMR

33. - T8D06

What does the abbreviation "PSK" mean?

Select	Answer
A	Phase Shift Keying
B	Phased Slide Keying
C	Packet Short Keying
D	Pulse Shift Keying

34. - T9A01

What is a beam antenna?

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

35. - T9B12

What is standing wave ratio (SWR)?

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

Figure T-2

Figure T-1