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	Tune them for resonance on the lowest frequency of operation
B	Bond them together with heavy wire or conductive strap
C	Waterproof them with silicone caulk or electrical tape
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	Never
B	When the work being done is not more than 20 feet above the ground
C	When no mechanical work is being performed
D	When no electrical work is being performed

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. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Select	Answer
A	Homeland Security
B	The FCC
C	All these choices are correct
D	FEMA

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	52.525 MHz
B	49.00 MHz
C	28.50 MHz
D	222.15 MHz

6. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

Select	Answer
A	Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
B	Failure to have a copy of your license available at your station
C	Failure to provide and maintain a correct email address with the FCC
D	Failure to obtain FCC type acceptance prior to using a home-built transmitter

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Transmissions intended for reception by the general public
B	Two-way transmissions by amateur stations
C	Transmission of messages directed only to amateur operators
D	Any transmission made by the licensed station

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	Only an Amateur Extra Class operator
B	Any amateur allowed to transmit on the satellite uplink frequency
C	A General class or higher licensee with a satellite operator certification
D	Only an Amateur Extra Class operator who is also an AMSAT member

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

Select	Answer
A	At the end of each communication and every ten minutes during a communication
B	Once during every hour
C	At the end of every transmission
D	Never, the tactical call is sufficient

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	432.100 MHz
B	146.520 MHz
C	446.000 MHz
D	145.000 MHz

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A single repeater with more than one receiver
B	Multiple repeaters with the same control operator
C	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network
D	A system of repeaters linked by APRS

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	When operating a RACES station
C	When operating under special ARES rules
D	FCC rules always apply

13. - T3A07

What weather condition might decrease range at microwave frequencies?

Select	Answer
A	Colder temperatures
B	Precipitation
C	Low barometric pressure
D	High winds

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The ratio of the velocity to the wavelength
B	The ratio of the energy in the magnetic field to the energy in the electric field
C	The orientation of the electric field
D	The orientation of the magnetic field

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

Select	Answer
A	From dawn to shortly after sunset during periods of high sunspot activity
B	From dawn to shortly after sunset during periods of low sunspot activity
C	From shortly after sunset to dawn during periods of low sunspot activity
D	From shortly after sunset to dawn during periods of high sunspot activity

16. - T4A06

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

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

17. - T4B02

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

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

18. - T5A09

Which of the following describes alternating current?

Select	Answer
A	Current that alternates between a positive direction and zero
B	All these answers are correct
C	Current that alternates between a negative direction and zero
D	Current that alternates between positive and negative directions

19. - T5B04

Which is equal to one microvolt?

Select	Answer
A	One one-millionth of a volt
B	One million volts
C	One one-thousandth of a volt
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	0.1 amperes
B	132 amperes
C	10 amperes
D	12 amperes

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	2 amperes
B	100 amperes
C	20,000 amperes
D	0.5 amperes

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Capacitance
B	Resistance
C	Inductance
D	Field strength

23. - T6B07

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

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

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Flow chart
B	Connector pinout
C	Bill of materials
D	Schematic

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Give off light when current flows through it
B	Convert electrical energy into radio waves
C	Supply electrical energy
D	Control the flow of current

26. - T7A07

What is the function of a transceiver’s PTT input?

Select	Answer
A	Switches transceiver from receive to transmit when grounded
B	Input for a preamplifier tuning tone
C	Provides a transmit tuning tone when grounded
D	Input for a key used to send CW

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Be sure all TV feed line coaxial connectors are installed properly
B	Add a low-pass filter to the TV antenna input
C	Add a high-pass filter to the TV antenna input
D	Add a preamplifier to the TV antenna input

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A high-gain amplifier and a TR switch
B	A non-inductive resistor mounted on a heat sink
C	A 50-ohm reactance used to terminate a transmission line
D	A low-voltage power supply and a DC relay

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. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	15 kHz
B	2.4 kHz
C	150 Hz
D	1000 Hz

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	Anyone
B	A licensed radio amateur who has been certified by the protocol developer
C	A licensed radio amateur with a transmitter equipped for interrogating the satellite
D	A licensed radio amateur who has registered for an access code from AMSAT

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

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

33. - T8D11

What is an ARQ transmission system?

Select	Answer
A	An error correction method in which the receiving station detects errors and sends a request for retransmission
B	A system used to encrypt command signals to an amateur radio satellite
C	A method of compressing data using autonomous reiterative Q codes prior to final encoding
D	A special transmission format limited to video signals

34. - T9A11

What is antenna gain?

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

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Local thunderstorm
B	Loose connection in the antenna or feed line
C	Overload from a strong local station
D	Over-modulation

Figure T-1