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US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

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1. - T0A04

What is the purpose of a fuse in an electrical circuit?

SelectAnswer
ATo remove power in case of overload
BTo prevent power supply ripple from damaging a component
CAll these choices are correct
DTo limit current to prevent shocks

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

SelectAnswer
AThe height of the power line above ground
BAdd the height of the antenna to the height of the power line and multiply by a factor of 1.5
CEnough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
D1/2 wavelength at the operating frequency

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

SelectAnswer
AAll these choices are correct
BIncrease the duty cycle
CRelocate the transmitter
DRelocate antennas

4. - T1A09

Who selects a Frequency Coordinator?

SelectAnswer
AThe FCC Office of Spectrum Management and Coordination Policy
BAmateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
CThe local chapter of the Office of National Council of Independent Frequency Coordinators
DFCC Regional Field Office

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

SelectAnswer
A50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
B219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
C902.0 MHz to 902.1 MHz
DAll these choices are correct

6. - T1C04

What may happen if the FCC is unable to reach you by email?

SelectAnswer
ANothing; there is no such requirement
BFine and suspension of operator license
CRevocation of access to the license record in the FCC system
DRevocation of the station license or suspension of the operator license

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

SelectAnswer
AWhen the communication is incidental to classroom instruction at an educational institution
BAll these choices are correct
CWhen the communication is related to the sale of amateur equipment by the control operator's employer
DWhen the communication is made to obtain emergency information for a local broadcast station

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

SelectAnswer
AOnly the control operator
BAll licensed amateurs who are present at the operation
CThe control operator and the station licensee
DOnly the station licensee

9. - T1F11

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

SelectAnswer
AThe club must be registered with the American Radio Relay League
BThe trustee must have an Amateur Extra Class operator license grant
CAll these choices are correct
DThe club must have at least four members

10. - T2A07

What is meant by "repeater offset”?

SelectAnswer
AThe repeater station identification is done on a separate frequency
BThe difference between a repeater’s transmit and receive frequencies
CThe number of simultaneous transmit frequencies used by a repeater
DThe repeater has a time delay to prevent interference

11. - T2B13

What is the purpose of a squelch function?

SelectAnswer
AReduce interference from impulse noise
BReduce a CW transmitter's key clicks
CMute the receiver audio when a signal is not present
DEliminate parasitic oscillations in an RF amplifier

12. - T2C07

Which of the following is standard practice when you participate in a net?

SelectAnswer
ARecord the time of each of your transmissions
BUnless you are reporting an emergency, transmit only when directed by the net control station
CWhen first responding to the net control station, transmit your call sign, name, and address as in the FCC database
DAll these choices are correct

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?

SelectAnswer
AIncrease the antenna SWR
BTry to find a path that reflects signals to the repeater
CTry the long path
DChange from vertical to horizontal polarization

14. - T3B03

What are the two components of a radio wave?

SelectAnswer
AElectric and magnetic fields
BIonizing and non-ionizing radiation
CVoltage and current
DImpedance and reactance

15. - T3C07

What band is best suited for communicating via meteor scatter?

SelectAnswer
A6 meters
B2 meters
C33 centimeters
D70 centimeters

16. - T4A07

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

SelectAnswer
AComputer “line out” to transceiver push-to-talk
BComputer “line out” to transceiver speaker connector
CComputer “line in” to transceiver push-to-talk
DComputer “line in” to transceiver speaker connector

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

SelectAnswer
AThe codec type being used
BYour output power
CYour call sign
DAll these choices are correct

18. - T5A03

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

SelectAnswer
AVoltage
BCapacitance
CCurrent
DResistance

19. - T5B01

How many milliamperes is 1.5 amperes?

SelectAnswer
A15,000 milliamperes
B1500 milliamperes
C150 milliamperes
D15 milliamperes

20. - T5C06

What does the abbreviation “RF” mean?

SelectAnswer
AReflective force in antenna transmission lines
BThe real frequency transmitted as opposed to the apparent frequency
CThe resonant frequency of a tuned circuit
DRadio frequency signals of all types

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

SelectAnswer
A16 ohms
B48 ohms
C3 ohms
D8 ohms

22. - T6A11

Which of the following battery chemistries is not rechargeable?

SelectAnswer
ACarbon-zinc
BLead-acid
CNickel-cadmium
DLithium-ion

23. - T6B04

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

SelectAnswer
AAlternator
BTransistor
CPentagrid converter
DTriode

24. - T6C02

What is component 1 in figure T-1?

SelectAnswer
ABattery
BResistor
CTransistor
DConnector

25. - T6D05

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

SelectAnswer
AFilter
BPhase inverter
CRegulator
DOscillator

26. - T7A10

What device increases the transmitted output power from a transceiver?

SelectAnswer
AAll these choices are correct
BA voltage divider
CAn impedance network
DAn RF power amplifier

27. - T7B10

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

SelectAnswer
AYour batteries are running low
BYou are in a bad location
CYour transmitter is slightly off frequency
DAll these choices are correct

28. - T7C09

Which of the following causes failure of coaxial cables?

SelectAnswer
AMoisture contamination
BSolder flux contamination
COperation at 100% duty cycle for an extended period
DRapid fluctuation in transmitter output power

29. - T7D11

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

SelectAnswer
AEnsure that the applied voltages are correct
BEnsure that the circuit is grounded
CEnsure that the circuit is operating at the correct frequency
DEnsure that the circuit is not powered

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

SelectAnswer
ASSB
BDRM
CFM
DPM

31. - T8B09

What causes spin fading of satellite signals?

SelectAnswer
ARotation of the satellite and its antennas
BCircular polarized noise interference radiated from the sun
CInterfering signals within the satellite uplink band
DDoppler shift of the received signal

32. - T8C01

Which of the following methods is used to locate sources of noise interference or jamming?

SelectAnswer
APhase locking
BEcholocation
CDoppler radar
DRadio direction finding

33. - T8D06

What does the abbreviation "PSK" mean?

SelectAnswer
APhased Slide Keying
BPulse Shift Keying
CPacket Short Keying
DPhase Shift Keying

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

SelectAnswer
AInserting coils in series with radiating wires
BLengthening it
CShortening it
DAdding capacitive loading to the ends of the radiating wires

35. - T9B12

What is standing wave ratio (SWR)?

SelectAnswer
AThe ratio of amplifier power output to input
BThe transmitter efficiency ratio
CAn indication of the quality of your station’s ground connection
DA measure of how well a load is matched to a transmission line

Figure T-1