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

2. - T0B10

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

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

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	Lower frequency RF fields have more energy than higher frequency fields
B	The human body absorbs more RF energy at some frequencies than at others
C	Higher frequency RF fields are transient in nature
D	Lower frequency RF fields do not penetrate the human body

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	FCC Regional Field Office
B	International Telecommunication Union
C	Volunteer Frequency Coordinator recognized by local amateurs
D	Frequency Spectrum Manager appointed by the FCC

5. - T1B02

Which amateurs may contact the International Space Station (ISS) on VHF bands?

Select	Answer
A	Any amateur holding a Technician class or higher license who has applied for and received approval from NASA
B	Any amateur holding a General class or higher license
C	Any amateur holding a General class or higher license who has applied for and received approval from NASA
D	Any amateur holding a Technician class or higher license

6. - T1C01

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

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

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	Never
B	When broadcasting communications to or from the space shuttle
C	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
D	When such communications are directly related to the immediate safety of human life or protection of property

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	As part of a multi-operator contest team
D	At no time

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Operation when the transmitting equipment is licensed to a person other than the control operator
B	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
C	Amateur radio communications where three stations are in communications with one another
D	A message from a control operator to another amateur station control operator on behalf of another person

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit a signal report followed by your call sign
B	Transmit "CQ" followed by the other station’s call sign
C	Transmit your call sign followed by the other station’s call sign
D	Transmit the other station’s call sign followed by your call sign

11. - T2B12

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

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

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	A list of stations that have relayed the message
B	The call sign of the originating station
C	A box on the message form that indicates that the message was received and/or relayed
D	The number of words or word equivalents in the text portion of the message

13. - T3A01

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

Select	Answer
A	All these choices are correct
B	VHF ionospheric propagation is very sensitive to path length
C	Multipath propagation cancels or reinforces signals
D	The signal path encounters different concentrations of water vapor

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	The approximate wavelength in meters
B	Channel numbers
C	Traditional letter/number designators
D	All these choices are correct

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	F2 region refraction
C	Faraday rotation
D	Tropospheric ducting

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

Select	Answer
A	High-speed digital communications for meteor scatter
B	Communication using digital voice or data systems via the internet
C	FT8 digital communications via AFSK
D	RTTY encoding and decoding without a computer

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	All these choices are correct
B	Your call sign
C	The codec type being used
D	Your output power

18. - T5A10

Which term describes the rate at which electrical energy is used?

Select	Answer
A	Voltage
B	Current
C	Power
D	Resistance

19. - T5B02

Which is equal to 1,500,000 hertz?

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

20. - T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

Select	Answer
A	0.1 amperes
B	132 amperes
C	12 amperes
D	10 amperes

21. - T5D12

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

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

22. - T6A02

What type of component is often used as an adjustable volume control?

Select	Answer
A	Potentiometer
B	Fixed resistor
C	Transformer
D	Power resistor

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Pole one, pole two, output
B	Input, output, supply
C	Signal, bias, power
D	Emitter, base, collector

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Battery
B	Transistor
C	Ground symbol
D	Resistor

25. - T6D05

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

Select	Answer
A	Phase inverter
B	Oscillator
C	Regulator
D	Filter

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Total Harmonic Distortion
B	Sensitivity
C	Selectivity
D	Linearity

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	Your transmitter is slightly off frequency
B	You are in a bad location
C	Your batteries are running low
D	All these choices are correct

28. - T7C04

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

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

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the circuit is operating at the correct frequency
B	Ensure that the circuit is not powered
C	Ensure that the circuit is grounded
D	Ensure that the applied voltages are correct

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

Select	Answer
A	FM or PM
B	AM
C	PSK
D	SSB

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

Select	Answer
A	Listen for distortion on your downlink signal
B	All these choices are correct
C	Check your signal strength report in the telemetry data
D	Your signal strength on the downlink should be about the same as the beacon

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

Select	Answer
A	A set of rules specifying how to identify your station when linked over the internet to another station
B	A method of delivering voice communications over the internet using digital techniques
C	A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
D	A technique employed to “spot” DX stations via the internet

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	All these choices are correct
B	Weather data
C	Text messages
D	GPS position data

34. - T9A06

Which of the following types of antenna offers the greatest gain?

Select	Answer
A	Yagi
B	Isotropic
C	5/8 wave vertical
D	J pole

35. - T9B07

Which of the following is true of PL-259 type coax connectors?

Select	Answer
A	They are preferred for microwave operation
B	They are commonly used at HF and VHF frequencies
C	They are watertight
D	They are a bayonet-type connector

Figure T-1