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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Bond them together with heavy wire or conductive strap
B	Tune them for resonance on the lowest frequency of operation
C	Keep them as far apart as possible
D	Waterproof them with silicone caulk or electrical tape

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	All these choices are correct
C	Look for and stay clear of any overhead electrical wires
D	Insulate the base of the tower to avoid lightning strikes

3. - T0C02

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

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

4. - T1A07

What is the FCC Part 97 definition of a space station?

Select	Answer
A	An amateur station using amateur radio satellites for relay of signals
B	A manned satellite orbiting Earth
C	Any satellite orbiting Earth
D	An amateur station located more than 50 km above Earth's surface

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	All these choices are correct
B	So that modulation sidebands do not extend beyond the band edge
C	To allow for calibration error in the transmitter frequency display
D	To allow for transmitter frequency drift

6. - T1C05

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

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

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

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

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Message forwarding station
B	Beacon station
C	Repeater station
D	Earth station

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A list of operating schedules
B	A list of available net frequencies
C	A voluntary guideline for using different modes or activities within an amateur band
D	A plan devised by a club to indicate frequency band usage

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To listen on a repeater’s input frequency
B	To increase power output
C	To reduce power output
D	To listen on a repeater’s output frequency

12. - T2C04

What is RACES?

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

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

Select	Answer
A	Absorption
B	Deflection
C	Range increase
D	There is little effect

14. - T3B06

What is the formula for converting frequency to approximate wavelength in meters?

Select	Answer
A	Wavelength in meters equals 300 divided by frequency in megahertz
B	Wavelength in meters equals frequency in hertz divided by 300
C	Wavelength in meters equals frequency in hertz multiplied by 300
D	Wavelength in meters equals frequency in megahertz divided by 300

15. - T3C05

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

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

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	24.0 volts at 4 amperes
B	13.8 volts at 12 amperes
C	13.8 volts at 4 amperes
D	24.0 volts at 12 amperes

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	Access information for repeaters and talkgroups
D	The codec for digitizing audio

18. - T5A09

Which of the following describes alternating current?

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

19. - T5B10

Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

Select	Answer
A	-1 dB
B	-9 dB
C	-3 dB
D	-6 dB

20. - T5C04

What is the unit of inductance?

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

21. - T5D04

What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

Select	Answer
A	3 ohms
B	270 ohms
C	30 ohms
D	93 ohms

22. - T6A02

What type of component is often used as an adjustable volume control?

Select	Answer
A	Power resistor
B	Fixed resistor
C	Potentiometer
D	Transformer

23. - T6B04

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

Select	Answer
A	Pentagrid converter
B	Transistor
C	Alternator
D	Triode

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Connector pinout
B	Bill of materials
C	Schematic
D	Flow chart

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Supply electrical energy
B	Convert electrical energy into radio waves
C	Control the flow of current
D	Give off light when current flows through it

26. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

Select	Answer
A	Set the amplifier for proper operation in the selected mode
B	Reduce the received signal noise
C	Change the frequency range of the amplifier to operate in the proper segment of the band
D	Change the mode of the transmitted signal

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Select	Answer
A	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
B	All these choices are correct
C	Immediately turn off your transmitter and contact the nearest FCC office for assistance
D	Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel

28. - T7C06

What does an SWR reading of 4:1 indicate?

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

29. - T7D02

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

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

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

Select	Answer
A	Only one signal can be received at a time
B	Voice quality is poorer
C	All these choices are correct
D	FM signals are harder to tune

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

Select	Answer
A	Your signal strength on the downlink should be about the same as the beacon
B	Check your signal strength report in the telemetry data
C	Listen for distortion on your downlink signal
D	All these choices are correct

32. - T8C04

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

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

33. - T8D13

What is FT8?

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

34. - T9A11

What is antenna gain?

Select	Answer
A	The additional power that is required in the antenna when transmitting on a higher frequency
B	The additional power that is added to the transmitter power
C	The increase in impedance on receive or transmit compared to a reference antenna
D	The increase in signal strength in a specified direction compared to a reference antenna

35. - T9B07

Which of the following is true of PL-259 type coax connectors?

Select	Answer
A	They are preferred for microwave operation
B	They are commonly used at HF and VHF frequencies
C	They are a bayonet-type connector
D	They are watertight

Figure T-1