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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Overheating or out-gassing
B	Excess output ripple
C	Inverse memory effect
D	Half-wave rectification

2. - T0B07

Which of the following is an important safety rule to remember when using a crank-up tower?

Select	Answer
A	This type of tower must never be painted
B	This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
C	This type of tower must never be grounded
D	All these choices are correct

3. - T0C04

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

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

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
B	A bulletin sent by the FCC to announce a national emergency
C	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities
D	A government transmitter marking the amateur radio band edges

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

Select	Answer
A	Only in sub-bands allocated to General class or higher licensees
B	Only on repeaters
C	On any band if the power is limited to 25 watts
D	In at least some segment of all these bands

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

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. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Controlling a station over the internet
B	Repeater operation
C	Using a computer or other device to identify automatically
D	Using a computer or other device to send CW automatically

9. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

Select	Answer
A	Send the call sign followed by the indicator R
B	Send the call sign using a CW or phone emission
C	Send the call sign using only a phone emission
D	Send the call sign followed by the indicator RPT

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

Select	Answer
A	Plus or minus 500 kHz
B	Plus or minus 5 MHz
C	Plus or minus 600 kHz
D	Plus or minus 1 MHz

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	DTMF
B	CTCSS
C	D-STAR
D	GPRS

12. - T2C08

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

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

13. - T3A07

What weather condition might decrease range at microwave frequencies?

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

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Ionizing and non-ionizing radiation
B	Impedance and reactance
C	Voltage and current
D	Electric and magnetic fields

15. - T3C02

What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

Select	Answer
A	Long-distance ionospheric propagation is far more common on HF
B	HF accommodates wider bandwidth signals
C	HF antennas are generally smaller
D	There is less atmospheric interference (static) on HF

16. - T4A07

Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

Select	Answer
A	Computer “line in” to transceiver push-to-talk
B	Computer “line out” to transceiver speaker connector
C	Computer “line in” to transceiver speaker connector
D	Computer “line out” to transceiver push-to-talk

17. - T4B02

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

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

18. - T5A05

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

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

19. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	15,000 milliamperes
B	1500 milliamperes
C	15 milliamperes
D	150 milliamperes

20. - T5C08

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

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

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Series
B	Resonant
C	Branch
D	Parallel

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Double-pole single-throw
B	Double-pole double-throw
C	Single-pole double-throw
D	Single-pole single-throw

23. - T6B01

Which is true about forward voltage drop in a diode?

Select	Answer
A	It is proportional to peak inverse voltage
B	It is lower in some diode types than in others
C	It indicates that the diode is defective
D	It has no impact on the voltage delivered to the load

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Regulator IC
B	Transistor
C	Resistor
D	Capacitor

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

Select	Answer
A	Filter
B	Oscillator
C	Regulator
D	Phase inverter

26. - T7A10

What device increases the transmitted output power from a transceiver?

Select	Answer
A	All these choices are correct
B	An impedance network
C	An RF power amplifier
D	A voltage divider

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	Your batteries are running low
B	You are in a bad location
C	Your transmitter is slightly off frequency
D	All these choices are correct

28. - T7C02

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

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

29. - T7D01

Which instrument would you use to measure electric potential?

Select	Answer
A	A wavemeter
B	An ohmmeter
C	An ammeter
D	A voltmeter

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Packet radio
B	Single sideband
C	Spread spectrum
D	Phase shift keying (PSK)

31. - T8B10

What is a LEO satellite?

Select	Answer
A	A highly elliptical orbit satellite
B	A sun synchronous satellite
C	A satellite in low earth orbit
D	A satellite in low energy operation mode

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A technique for measuring signal strength of an amateur transmitter via the internet
B	A system for providing access to websites via amateur radio
C	A system for informing amateurs in real time of the frequency of active DX stations
D	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)

33. - T8D02

What is a “talkgroup” on a DMR repeater?

Select	Answer
A	A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together
B	A way for groups of users to share a channel at different times without hearing other users on the channel
C	A net that meets at a specified time
D	A group of operators sharing common interests

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	6
B	112
C	236
D	50

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 loss decreases
D	The characteristic impedance increases

Figure T-2