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. - T0A08

Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

Select	Answer
A	In series with the hot conductor only
B	In series with the hot and neutral conductors
C	In parallel with the hot and neutral conductors
D	In parallel with the hot conductor only

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	Look for and stay clear of any overhead electrical wires
B	Wear a ground strap connected to your wrist at all times
C	All these choices are correct
D	Insulate the base of the tower to avoid lightning strikes

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	By calculation based on FCC OET Bulletin 65
B	All these choices are correct
C	By calculation based on computer modeling
D	By measurement of field strength using calibrated equipment

4. - T1A02

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

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

5. - T1B03

Which frequency is in the 6 meter amateur band?

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

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

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	Telecommand or transmissions of telemetry
B	In all circumstances
C	Broadcasting
D	International Morse Code Practice

8. - T1E09

Which of the following are required for remote control operation?

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

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	Never, the tactical call is sufficient
C	Once during every hour
D	At the end of every transmission

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	Notify the FCC of the transmissions
B	All these choices are correct
C	Identify the transmitting station
D	Conduct tests only between 10 p.m. and 6 a.m. local time

11. - T2B12

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

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

12. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	Operation by mobile or portable stations
B	The number of stations checking in and out of a net
C	Messages exchanged by net stations
D	Requests to activate the net by a served agency

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

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. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Faraday rotation
B	Knife-edge diffraction
C	Doppler shift
D	Quantum tunneling

16. - T4A10

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

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

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Increases the amount of offset between receive and transmit frequencies
B	Permits monitoring several modes at once by selecting a separate filter for each mode
C	Increases the number of frequencies that can be stored in memory
D	Permits noise or interference reduction by selecting a bandwidth matching the mode

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Volts
B	Ohms
C	Watts
D	Amperes

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	0.002425 GHz
B	2425 GHz
C	24.25 GHz
D	2.425 GHz

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

Select	Answer
A	P = E – I
B	P = I + E
C	P = E / I
D	P = I  E

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. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	Two circuits are each switched between one of two other circuits
B	A single circuit is switched between one of two other circuits
C	A single circuit is opened or closed
D	Two circuits are opened or closed

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Pentagrid converter
B	Triode
C	Transistor
D	Alternator

24. - T6C01

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

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

25. - T6D10

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

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

26. - T7A01

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

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

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The receiver is unable to reject strong signals outside the AM or FM band
B	The audio amplifier of the transmitter is overloaded
C	The microphone gain of the transmitter is turned up too high
D	The deviation of an FM transmitter is set too low

28. - T7C02

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

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

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Increasing resistance with time
B	Alternating between open and short circuit
C	Steady full-scale reading
D	Decreasing resistance with time

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	About 150 kHz
B	Between 50 and 125 kHz
C	Between 10 and 15 kHz
D	Less than 500 Hz

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

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A digipeater
B	A beacon
C	A gateway
D	A repeater

33. - T8D04

What type of transmission is indicated by the term "NTSC?"

Select	Answer
A	A frame compression scheme for TV signals
B	A Normal Transmission mode in Static Circuit
C	A special mode for satellite uplink
D	An analog fast-scan color TV signal

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

Select	Answer
A	A horizontally polarized antenna
B	A travelling-wave antenna
C	A ground-wave antenna
D	A vertically polarized antenna

35. - T9B09

What can cause erratic changes in SWR?

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

Figure T-1