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. - T0A12

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

Select	Answer
A	Ensure that the voltmeter has very low impedance
B	Ensure that the circuit is grounded through the voltmeter
C	Ensure that the voltmeter and leads are rated for use at the voltages to be measured
D	Ensure that the voltmeter is set to the correct frequency

2. - T0B04

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

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

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	There is no adjustment allowed for lower duty cycle
B	It increases by a factor of 3
C	It increases by a factor of 2
D	It decreases by 50 percent

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	No more than two
B	One for each permanent station location from which the person plans to operate
C	One for each band on which the person plans to operate
D	One

5. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

Select	Answer
A	100 watts
B	1500 watts
C	500 watts
D	50 watts

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Communications incidental to conducting business or remarks of a personal nature
B	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
C	Only communications incidental to contest exchanges; all other communications are prohibited
D	Any communications that would be permitted by an international broadcast station

7. - T1D07

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

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

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The person operating the station equipment
B	The third party participant
C	The station custodian
D	The station licensee

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Operation when the transmitting equipment is licensed to a person other than the control operator
B	Amateur radio communications where three stations are in communications with one another
C	A message from a control operator to another amateur station control operator on behalf of another person
D	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments

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 1 MHz
D	Plus or minus 600 kHz

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	Identifies the codec used
D	Defines the frequency pair to use

12. - T2C08

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

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

13. - T3A07

What weather condition might decrease range at microwave frequencies?

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

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	All these choices are correct
B	Channel numbers
C	The approximate wavelength in meters
D	Traditional letter/number designators

15. - T3C03

What is a characteristic of VHF signals received via auroral backscatter?

Select	Answer
A	They are often received from 10,000 miles or more
B	They are generally strongest when your antenna is aimed west
C	They occur only during winter nighttime hours
D	They are distorted and signal strength varies considerably

16. - T4A08

Which of the following conductors is preferred for bonding at RF?

Select	Answer
A	Flat copper strap
B	Steel wire
C	Copper braid removed from coaxial cable
D	Twisted-pair cable

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The AGC or limiter
B	The bandwidth selection
C	The tone squelch
D	The RIT or Clarifier

18. - T5A09

Which of the following describes alternating current?

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

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Admittance
B	Capacitance
C	Inductance
D	Resistance

21. - T5D02

What formula is used to calculate voltage in a circuit?

Select	Answer
A	E = I + R
B	E = I / R
C	E = I - R
D	E = I x R

22. - T6A01

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

Select	Answer
A	Transformer
B	Inverter
C	Inductor
D	Resistor

23. - T6B08

What does the abbreviation FET stand for?

Select	Answer
A	Fast Electron Transistor
B	Field Effect Transistor
C	Frequency Emission Transmitter
D	Free Electron Transmitter

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Inductor
B	Light emitting diode
C	Resistor
D	Regulator IC

25. - T6D05

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

Select	Answer
A	Phase inverter
B	Filter
C	Oscillator
D	Regulator

26. - T7A01

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

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

27. - T7B02

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

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

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	Full Scale
B	Zero
C	50:50
D	1:1

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the circuit is not powered
B	Ensure that the circuit is operating at the correct frequency
C	Ensure that the applied voltages are correct
D	Ensure that the circuit is grounded

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

Select	Answer
A	SSB
B	PSK
C	AM
D	FM or PM

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

Select	Answer
A	Possibility of commanding the satellite to an improper mode
B	Blocking access by other users
C	Overloading the satellite batteries
D	Possibility of rebooting the satellite control computer

32. - T8C11

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

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

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 special transmission format limited to video signals
C	A system used to encrypt command signals to an amateur radio satellite
D	A method of compressing data using autonomous reiterative Q codes prior to final encoding

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

Select	Answer
A	All these choices are correct
B	The SWR might decrease, decreasing the signal strength
C	Signal strength is reduced due to the shielding effect of the vehicle
D	The bandwidth of the antenna will decrease, increasing SWR

35. - T9B12

What is standing wave ratio (SWR)?

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

Figure T-2