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. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	Shorting the terminals can cause burns, fire, or an explosion
B	All these choices are correct
C	Touching both terminals with the hands can cause electrical shock
D	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas

2. - T0B07

Which of the following is an important safety rule to remember when using a crank-up tower?

Select	Answer
A	This type of tower must never be painted
B	This type of tower must never be grounded
C	This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
D	All these choices are correct

3. - T0C13

Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

Select	Answer
A	The FCC
B	The station licensee
C	The local zoning board
D	Anyone who is near an antenna

4. - T1A05

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

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

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

6. - T1C10

How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

Select	Answer
A	As soon as your operator/station license grant appears in the FCC’s license database
B	Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
C	As soon as your operator/station license grant appears on the ARRL website
D	As soon as you receive your license in the mail from the FCC

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Never
B	Only when transmitting control commands to space stations or radio control craft
C	Only when transmitting certain approved digital codes
D	Only during contests

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

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Repeater station
B	Beacon station
C	Message forwarding station
D	Earth station

10. - T2A08

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

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

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	Use subaudible tones so both stations can share the frequency
C	Interference is inevitable, so no action is required
D	The stations should negotiate continued use of the frequency

12. - T2C10

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

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

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Try the long path
B	Increase the antenna SWR
C	Change from vertical to horizontal polarization
D	Try to find a path that reflects signals to the repeater

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	300 to 3000 MHz
B	3 to 30 MHz
C	30 to 300 MHz
D	300 to 3000 kHz

15. - T3C03

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

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

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	In the feed line, between the transmitter and antenna
B	In parallel with the push-to-talk line and the antenna
C	In the power supply cable, as close as possible to the radio
D	At the power supply output

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

Select	Answer
A	All these choices are correct
B	The CTCSS or DTMF encoder
C	The Automatic Frequency Control
D	The keypad or VFO knob

18. - T5A07

Why are metals generally good conductors of electricity?

Select	Answer
A	They have many free electrons
B	All these choices are correct
C	They have relatively high density
D	They have many free protons

19. - T5B09

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

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

20. - T5C12

What is impedance?

Select	Answer
A	The power handling capability of a component
B	The opposition to AC current flow
C	The Q or Quality Factor of a component
D	The inverse of resistance

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	1.5 volts
D	2.5 volts

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Double-pole single-throw
B	Double-pole double-throw
C	Single-pole single-throw
D	Single-pole double-throw

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

Select	Answer
A	Capacitively-coupled RF signal
B	Reverse current
C	Forward current
D	Inductively-coupled RF signal

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Indicator lamp
B	Transistor
C	Resistor
D	Connector

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	Zener diode
B	Bipolar transistor
C	LED
D	FET

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	Between the antenna and receiver
B	At the output of the transmitter power amplifier
C	Between the transmitter and the antenna tuner
D	At the output of the receiver audio amplifier

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	Low-pass filter
D	Ferrite choke

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	50:50
B	Zero
C	Full Scale
D	1:1

29. - T7D04

Which instrument is used to measure electric current?

Select	Answer
A	An electrometer
B	A voltmeter
C	An ammeter
D	An ohmmeter

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Spread spectrum
B	Phase shift keying (PSK)
C	Single sideband
D	Packet radio

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	The Keplerian elements
B	The satellite transmitted power
C	The last observed time of zero Doppler shift
D	All these choices are correct

32. - T8C03

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

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

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing information on the number of stations signed into a repeater
B	Providing voice over internet connection between repeaters
C	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
D	Showing automatically the number of packets transmitted via PACTOR during a specific time interval

34. - T9A08

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

Select	Answer
A	19
B	112
C	12
D	50

35. - T9B12

What is standing wave ratio (SWR)?

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

Figure T-2

Figure T-1