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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Waterproof them with silicone caulk or electrical tape
B	Bond them together with heavy wire or conductive strap
C	Tune them for resonance on the lowest frequency of operation
D	Keep them as far apart as possible

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	When no mechanical work is being performed
B	Never
C	When the work being done is not more than 20 feet above the ground
D	When no electrical work is being performed

3. - T0C01

What type of radiation are radio signals?

Select	Answer
A	Gamma radiation
B	Alpha radiation
C	Non-ionizing radiation
D	Ionizing radiation

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Providing personal radio communications for as many citizens as possible
B	Providing communications for international non-profit organizations
C	Advancing skills in the technical and communication phases of the radio art
D	All these choices are correct

5. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

Select	Answer
A	Fixed digital message forwarding systems only
B	Emergency traffic only
C	Spread spectrum only
D	Fast-scan television only

6. - T1C08

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

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

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	The control operator must indirectly manipulate the controls
B	All these choices are correct
C	A control operator is required at all times
D	The control operator must be at the control point

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

Select	Answer
A	Any language recognized by the United Nations
B	English
C	Any language recognized by the ITU
D	English, French, or Spanish

10. - T2A08

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

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

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Eliminate parasitic oscillations in an RF amplifier
B	Reduce interference from impulse noise
C	Mute the receiver audio when a signal is not present
D	Reduce a CW transmitter's key clicks

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	All these choices are correct
B	Passing messages exactly as received
C	Ensuring that any newsworthy messages are relayed to the news media
D	Making decisions as to whether messages are worthy of relay or delivery

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

Select	Answer
A	The stratosphere
B	The troposphere
C	The mesosphere
D	The ionosphere

14. - T3B08

What frequency range is referred to as VHF?

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

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

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Divide the battery ampere-hour rating by the average current draw of the equipment
B	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
C	Multiply the watts per hour consumed by the equipment by the battery power rating
D	Multiply the square of the current rating of the battery by the input resistance of the equipment

17. - T4B11

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

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

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Ohms
B	Amperes
C	Watts
D	Volts

19. - T5B11

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

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

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	khz
B	KHZ
C	khZ
D	kHz

21. - T5D10

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

Select	Answer
A	1.5 volts
B	1 volt
C	0.25 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 double-throw
B	Single-pole double-throw
C	Single-pole single-throw
D	Double-pole single-throw

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Potentiometer
B	Varistor
C	Thermistor
D	Transistor

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Connector
B	Resistor
C	Transistor
D	Indicator lamp

25. - T6D07

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

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

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Impedance matching
B	Oscillation
C	Low-pass filtering
D	Modulation

27. - T7B01

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

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

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Rapid fluctuation in transmitter output power
B	Moisture contamination
C	Solder flux contamination
D	Operation at 100% duty cycle for an extended period

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	Impedance and reactance
B	Voltage and resistance
C	Signal strength and noise
D	All these choices are correct

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

Select	Answer
A	6 kHz
B	15 kHz
C	3 kHz
D	1 kHz

31. - T8B03

Which of the following are provided by satellite tracking programs?

Select	Answer
A	All these choices are correct
B	Maps showing the real-time position of the satellite track over Earth
C	The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
D	The apparent frequency of the satellite transmission, including effects of Doppler shift

32. - T8C01

Which of the following methods is used to locate sources of noise interference or jamming?

Select	Answer
A	Phase locking
B	Echolocation
C	Doppler radar
D	Radio direction finding

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	Showing automatically the number of packets transmitted via PACTOR during a specific time interval
C	Providing voice over internet connection between repeaters
D	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It has 10 times the power gain of a 1/4 wavelength whip
B	It has more gain than a 1/4-wavelength antenna
C	It radiates at a very high angle
D	It eliminates distortion caused by reflected signals

35. - T9B07

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

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

Figure T-2

Figure T-1