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. - T0A04

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

Select	Answer
A	To remove power in case of overload
B	To limit current to prevent shocks
C	All these choices are correct
D	To prevent power supply ripple from damaging a component

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

Select	Answer
A	Use only non-insulated wire
B	Wires must be carefully routed with precise right-angle bends
C	Common grounds must be avoided
D	Sharp bends must be avoided

3. - T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?

Select	Answer
A	3.5 MHz
B	1296 MHz
C	50 MHz
D	440 MHz

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	All these choices are correct
B	Providing personal radio communications for as many citizens as possible
C	Providing communications for international non-profit organizations
D	Advancing skills in the technical and communication phases of the radio art

5. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

Select	Answer
A	Emergency traffic only
B	Fast-scan television only
C	Spread spectrum only
D	Fixed digital message forwarding systems only

6. - T1C05

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

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

7. - T1D08

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

Select	Answer
A	When the communication is incidental to classroom instruction at an educational institution
B	All these choices are correct
C	When the communication is related to the sale of amateur equipment by the control operator's employer
D	When the communication is made to obtain emergency information for a local broadcast station

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The frequencies printed on the license grant
B	The class of operator license held by the control operator
C	The highest class of operator license held by anyone on the premises
D	The frequency authorized by the frequency coordinator

9. - T1F11

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

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

10. - T2A08

What is the meaning of the procedural signal “CQ”?

Select	Answer
A	Calling any station
B	Test transmission, no reply expected
C	Only the called station should transmit
D	Call on the quarter hour

11. - T2B04

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

Select	Answer
A	All these choices are correct
B	You are using the wrong CTCSS tone
C	Improper transceiver offset
D	You are using the wrong DCS code

12. - T2C04

What is RACES?

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

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. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C05

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

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

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	Receive and transmit mode, status, and location
B	NMEA GPS location and DC power
C	Antenna and RF power
D	Receive audio, transmit audio, and transmitter keying

17. - T4B02

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

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

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	RF current
B	All these choices are correct
C	Direct current
D	Alternating current

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	1 microfarad
B	0.001 microfarads
C	1,000,000,000 microfarads
D	1000 microfarads

20. - T5C04

What is the unit of inductance?

Select	Answer
A	The henry
B	The ohm
C	The coulomb
D	The farad

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

Select	Answer
A	1 volt
B	10 volts
C	11 volts
D	9 volts

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Varactor
B	All these choices are correct
C	Thyratron
D	Fuse

23. - T6B08

What does the abbreviation FET stand for?

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

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Variable inductor
B	Transformer
C	Potentiometer
D	Double-pole switch

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	Bipolar transistor
B	LED
C	Zener diode
D	FET

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	Phase converter
B	Low-pass filter
C	Transverter
D	High-pass filter

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Add a preamplifier to the TV antenna input
B	Be sure all TV feed line coaxial connectors are installed properly
C	Add a low-pass filter to the TV antenna input
D	Add a high-pass filter to the TV antenna input

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

Select	Answer
A	To protect the output amplifier transistors
B	To lower the SWR on the transmission line
C	To comply with FCC rules on spectral purity
D	Because power supplies cannot supply enough current at high SWR

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

30. - T8A09

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

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

31. - T8B10

What is a LEO satellite?

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

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

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

33. - T8D09

What is CW?

Select	Answer
A	Another name for a Morse code transmission
B	A type of electromagnetic propagation
C	A technique for coil winding
D	A digital mode used primarily on 2 meter FM

34. - T9A07

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

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

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	DB-25
B	RS-213
C	UHF (PL-259/SO-239)
D	Type N

Figure T-2