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. - T0A11

What hazard exists in a power supply immediately after turning it off?

Select	Answer
A	Circulating currents in the dc filter
B	Leakage flux in the power transformer
C	Charge stored in filter capacitors
D	Voltage transients from kickback diodes

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	Make sure all ground wire bends are right angles
B	Ensure that connections are short and direct
C	All these choices are correct
D	Put a drip loop in the ground connection to prevent water damage to the ground system

3. - T0C04

What factors affect the RF exposure of people near an amateur station antenna?

Select	Answer
A	Frequency and power level of the RF field
B	All these choices are correct
C	Distance from the antenna to a person
D	Radiation pattern of the antenna

4. - T1A11

When is willful interference to other amateur radio stations permitted?

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

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

Select	Answer
A	902.0 MHz to 902.1 MHz
B	219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
C	50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
D	All these choices are correct

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	Yes, for up to two years
B	Yes, as soon as you apply for renewal
C	No, you must wait until the license has been renewed
D	Yes, for up to one year

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Beacon, repeater, or space stations
B	Auxiliary, beacon, or Earth stations
C	Earth, repeater, or space stations
D	Repeater, auxiliary, or space stations

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	Operating the station over the internet
B	All these choices are correct
C	Repeater operation
D	Controlling a model aircraft, boat, or car by amateur radio

9. - T1F09

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

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

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A voluntary guideline for using different modes or activities within an amateur band
B	A list of available net frequencies
C	A plan devised by a club to indicate frequency band usage
D	A list of operating schedules

11. - T2B10

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

Select	Answer
A	QRM
B	QRN
C	QSB
D	QTH

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	When operating under special FEMA rules
B	FCC rules always apply
C	When operating under special ARES rules
D	When operating a RACES station

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

14. - T3B01

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

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

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	6 and 10 meters
B	All these choices are correct
C	70 centimeters and 1.25 meters
D	23 centimeters

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. - T4B05

What does the scanning function of an FM transceiver do?

Select	Answer
A	Prevents interference to nearby repeaters
B	Checks for messages left on a digital bulletin board
C	Tunes through a range of frequencies to check for activity
D	Checks incoming signal deviation

18. - T5A05

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

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

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C11

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

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

21. - T5D13

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

Select	Answer
A	Parallel
B	Resonant
C	Series
D	Branch

22. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Diode
B	Varistor
C	Capacitor
D	Inductor

23. - T6B07

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

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

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Resistor
B	Lamp
C	Ground symbol
D	Transistor

25. - T6D02

What is a relay?

Select	Answer
A	A pass transistor
B	An inverting amplifier
C	A current controlled amplifier
D	An electrically-controlled switch

26. - T7A08

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

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

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	Band-pass filter
B	Ferrite choke
C	Low-pass filter
D	Preamplifier

28. - T7C02

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

Select	Answer
A	A Q meter
B	An antenna analyzer
C	A VTVM
D	A frequency counter

29. - T7D02

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

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

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	DRM
B	PM
C	SSB
D	FM

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. - 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	EchoLink
B	D-STAR
C	DMR
D	IRLP

33. - T8D03

What kind of data can be transmitted by APRS?

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

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 that concentrates signals in one direction
D	An antenna built from aluminum I-beams

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The characteristic impedance decreases
B	The loss increases
C	The characteristic impedance increases
D	The loss decreases

Figure T-1