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. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may disrupt the electrical functions of cells
B	All these choices are correct
C	It may cause involuntary muscle contractions
D	It may cause injury by heating tissue

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	Put a drip loop in the ground connection to prevent water damage to the ground system
D	All these choices are correct

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
B	All these choices are correct
C	By informing the FCC of any changes made in your station
D	By making sure your antennas have low SWR

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	All these choices are correct
B	An email notification from the NCVEC granting the license
C	The license appears in the FCC ULS database
D	A printed copy of the certificate of successful completion of examination

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

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	KA1X
B	KF1XXX
C	All these choices are correct
D	W1XX

7. - T1D11

When may an amateur station transmit without identifying on the air?

Select	Answer
A	When the transmissions are unmodulated
B	When the transmissions are of a brief nature to make station adjustments
C	When transmitting signals to control model craft
D	When the transmitted power level is below 1 watt

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

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Select	Answer
A	All these choices are correct
B	The club must have at least four members
C	The trustee must have an Amateur Extra Class operator license grant
D	The club must be registered with the American Radio Relay League

10. - T2A02

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

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

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	You are talking too loudly
B	Your transmit power is too high
C	You need to talk louder
D	Your repeater offset is inverted

12. - T2C04

What is RACES?

Select	Answer
A	An emergency organization combining amateur radio and citizens band operators and frequencies
B	An international radio experimentation society
C	A radio contest held in a short period, sometimes called a “sprint”
D	An FCC part 97 amateur radio service for civil defense communications during national emergencies

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

Select	Answer
A	Left-hand circular
B	Vertical
C	Horizontal
D	Right-hand circular

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio waves are not blocked by dust particles
B	The atmosphere refracts radio waves slightly
C	Radio signals move somewhat faster than the speed of light
D	Radio waves are blocked by dust particles

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	To provide a good counterpoise for the antenna
B	To avoid RF interference
C	To minimize voltage drop when transmitting
D	All these choices are correct

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	Your call sign in CW for automatic identification
B	The DMR software version
C	The codec for digitizing audio
D	Access information for repeaters and talkgroups

18. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Resistance
B	Capacitance
C	Voltage
D	Current

19. - T5B13

Which is equal to 2425 MHz?

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

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	kHz
B	KHZ
C	khz
D	khZ

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

Select	Answer
A	0.125 ohms
B	18 ohms
C	13.5 ohms
D	8 ohms

22. - T6A01

What electrical component opposes the flow of current in a DC circuit?

Select	Answer
A	Transformer
B	Inductor
C	Resistor
D	Inverter

23. - T6B04

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

Select	Answer
A	Alternator
B	Transistor
C	Pentagrid converter
D	Triode

24. - T6C11

What is component 4 in figure T-3?

Select	Answer
A	Transmitter
B	Antenna
C	Dummy load
D	Ground

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Transistor
B	Diode
C	Variable capacitor
D	Transformer

26. - T7A08

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

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

27. - T7B01

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

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

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Gain of +4 dB
B	Loss of -4 dB
C	Good impedance match
D	Impedance mismatch

29. - T7D02

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

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

30. - T8A09

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

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

31. - T8B05

What is a satellite beacon?

Select	Answer
A	The primary transmit antenna on the satellite
B	An indicator light that shows where to point your antenna
C	A transmission from a satellite that contains status information
D	A reflective surface on the satellite

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	Sign only the last two letters of your call if there are many other stations calling
B	Send only the minimum information needed for proper identification and the contest exchange
C	Contact the station twice to be sure that you are in his log
D	All these choices are correct

33. - T8D13

What is FT8?

Select	Answer
A	An eight channel multiplex mode for FM repeaters
B	A digital mode capable of low signal-to-noise operation
C	A digital slow-scan TV mode with forward error correction and automatic color compensation
D	A wideband FM voice mode

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	It transmits only circularly polarized signals
B	It is mechanically fragile
C	All these choices are correct
D	It has low efficiency

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	The ratio of amplifier power output to input
B	An indication of the quality of your station’s ground connection
C	A measure of how well a load is matched to a transmission line
D	The transmitter efficiency ratio

Figure T-3