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. - T0A10

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

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

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

3. - T0C07

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

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

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities
B	A bulletin sent by the FCC to announce a national emergency
C	A government transmitter marking the amateur radio band edges
D	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service

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

6. - T1C04

What may happen if the FCC is unable to reach you by email?

Select	Answer
A	Revocation of access to the license record in the FCC system
B	Nothing; there is no such requirement
C	Revocation of the station license or suspension of the operator license
D	Fine and suspension of operator license

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	There is no such prohibition
B	Any such language is prohibited
C	The ITU maintains a list of words that are not permitted to be used on amateur frequencies
D	The FCC maintains a list of words that are not permitted to be used on amateur frequencies

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

9. - T1F05

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

Select	Answer
A	Send the call sign using only a phone emission
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 followed by the indicator R

10. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Select	Answer
A	Simplex
B	Diplex
C	Multiplex
D	Full duplex

11. - T2B10

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

Select	Answer
A	QRN
B	QSB
C	QRM
D	QTH

12. - T2C06

What is the Amateur Radio Emergency Service (ARES)?

Select	Answer
A	A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
B	A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
C	A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
D	A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies

13. - T3A02

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

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

14. - T3B08

What frequency range is referred to as VHF?

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

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	D region refraction
B	Faraday rotation
C	Tropospheric ducting
D	F2 region refraction

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	Antenna and RF power
B	Receive and transmit mode, status, and location
C	Receive audio, transmit audio, and transmitter keying
D	NMEA GPS location and DC power

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Turn up the audio level until it overcomes the squelch threshold
B	Turn on the anti-squelch function
C	Set the squelch threshold so that receiver output audio is on all the time
D	Enable squelch enhancement

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Capacitance
B	Ampere-hours
C	Inductance
D	Voltage

19. - T5B02

Which is equal to 1,500,000 hertz?

Select	Answer
A	150 kHz
B	1500 MHz
C	15 GHz
D	1500 kHz

20. - T5C12

What is impedance?

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

21. - T5D13

In which type of circuit is DC current the same through all components?

Select	Answer
A	Series
B	Parallel
C	Branch
D	Resonant

22. - T6A11

Which of the following battery chemistries is not rechargeable?

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

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Anode and cathode
B	Source and drain
C	Plus and minus
D	Gate and base

24. - T6C11

What is component 4 in figure T-3?

Select	Answer
A	Transmitter
B	Ground
C	Dummy load
D	Antenna

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

Select	Answer
A	Regulator
B	Phase inverter
C	Filter
D	Oscillator

26. - T7A05

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

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

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Talk louder into the microphone
B	Let the transceiver cool off
C	Change to a higher power level
D	Talk farther away from the microphone

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	1:1
D	Full Scale

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

Select	Answer
A	In series
B	In phase
C	In quadrature
D	In parallel

30. - T8A05

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

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

31. - T8B10

What is a LEO satellite?

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

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By entering the proper internet password
B	By using CTCSS tone codes
C	By obtaining a password that is sent via voice to the node
D	By using DTMF signals

33. - T8D08

Which of the following is included in packet radio transmissions?

Select	Answer
A	A check sum that permits error detection
B	Automatic repeat request in case of error
C	All these choices are correct
D	A header that contains the call sign of the station to which the information is being sent

34. - T9A11

What is antenna gain?

Select	Answer
A	The additional power that is required in the antenna when transmitting on a higher frequency
B	The increase in impedance on receive or transmit compared to a reference antenna
C	The additional power that is added to the transmitter power
D	The increase in signal strength in a specified direction compared to a reference antenna

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	DB-25
B	RS-213
C	Type N
D	UHF (PL-259/SO-239)

Figure T-3