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. - T0A06

What is a good way to guard against electrical shock at your station?

Select	Answer
A	All these choices are correct
B	Use three-wire cords and plugs for all AC powered equipment
C	Connect all AC powered station equipment to a common safety ground
D	Install mechanical interlocks in high-voltage circuits

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	When the work being done is not more than 20 feet above the ground
B	When no mechanical work is being performed
C	Never
D	When no electrical work is being performed

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It takes into account the antenna feed line loss
B	It takes into account the thermal effects of the final amplifier
C	It affects the peak exposure to radiation
D	It affects the average exposure to radiation

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	FCC Regional Field Office
B	The FCC Office of Spectrum Management and Coordination Policy
C	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
D	The local chapter of the Office of National Council of Independent Frequency Coordinators

5. - T1B05

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

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

6. - T1C10

How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

Select	Answer
A	As soon as your operator/station license grant appears in the FCC’s license database
B	Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
C	As soon as you receive your license in the mail from the FCC
D	As soon as your operator/station license grant appears on the ARRL website

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	Broadcasting
B	International Morse Code Practice
C	Telecommand or transmissions of telemetry
D	In all circumstances

8. - T1E06

When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

Select	Answer
A	As part of a multi-operator contest team
B	When using a club station whose trustee holds an Amateur Extra Class license
C	When designated as the control operator by an Amateur Extra Class licensee
D	At no time

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 only a phone emission
C	Send the call sign using a CW or phone emission
D	Send the call sign followed by the indicator RPT

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit a signal report followed by your call sign
B	Transmit the other station’s call sign followed by your call sign
C	Transmit "CQ" followed by the other station’s call sign
D	Transmit your call sign followed by the other station’s call sign

11. - T2B12

What is the purpose of the color code used on DMR repeater systems?

Select	Answer
A	Must match the repeater color code for access
B	Identifies the codec used
C	Defines the minimum signal level required for access
D	Defines the frequency pair to use

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	The call sign of the originating station
B	The number of words or word equivalents in the text portion of the message
C	A list of stations that have relayed the message
D	A box on the message form that indicates that the message was received and/or relayed

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	Transmission rates must be increased by a factor equal to the number of separate paths observed
B	Transmission rates must be decreased by a factor equal to the number of separate paths observed
C	Error rates are likely to increase
D	No significant changes will occur if the signals are transmitted using FM

14. - T3B07

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

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

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

Select	Answer
A	From shortly after sunset to dawn during periods of low sunspot activity
B	From shortly after sunset to dawn during periods of high sunspot activity
C	From dawn to shortly after sunset during periods of low sunspot activity
D	From dawn to shortly after sunset during periods of high sunspot activity

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	At the power supply output
B	In the feed line, between the transmitter and antenna
C	In parallel with the push-to-talk line and the antenna
D	In the power supply cable, as close as possible to the radio

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Enable squelch enhancement
B	Turn on the anti-squelch function
C	Set the squelch threshold so that receiver output audio is on all the time
D	Turn up the audio level until it overcomes the squelch threshold

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Watts
B	Amperes
C	Ohms
D	Volts

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C08

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

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

21. - T5D03

What formula is used to calculate resistance in a circuit?

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

22. - T6A02

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

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

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Transformer
B	Transistor
C	Reactor
D	Resistor

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Resistor
B	Transistor
C	Connector
D	Battery

25. - T6D10

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

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

26. - T7A07

What is the function of a transceiver’s PTT input?

Select	Answer
A	Input for a preamplifier tuning tone
B	Input for a key used to send CW
C	Provides a transmit tuning tone when grounded
D	Switches transceiver from receive to transmit when grounded

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
B	Work with your neighbor to identify the offending device
C	All these choices are correct
D	Make sure your station meets the standards of good amateur practice

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet and RF signals can mix, causing interference
B	Ultraviolet light can damage the jacket and allow water to enter the cable
C	Ultraviolet light can increase losses in the cable’s jacket
D	Ultraviolet resistant jackets prevent harmonic radiation

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Steady full-scale reading
B	Decreasing resistance with time
C	Alternating between open and short circuit
D	Increasing resistance with time

30. - T8A05

Which of the following types of signal has the narrowest bandwidth?

Select	Answer
A	SSB voice
B	CW
C	FM voice
D	Slow-scan TV

31. - T8B10

What is a LEO satellite?

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

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Net operations
B	Simulated emergency exercises
C	Contesting
D	Public service events

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	All these choices are correct
B	Weather data
C	GPS position data
D	Text messages

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	It transmits only circularly polarized signals
B	It is mechanically fragile
C	All these choices are correct
D	It has low efficiency

35. - T9B04

What is the major function of an antenna tuner (antenna coupler)?

Select	Answer
A	It helps a receiver automatically tune in weak stations
B	It matches the antenna system impedance to the transceiver's output impedance
C	It automatically selects the proper antenna for the frequency band being used
D	It allows an antenna to be used on both transmit and receive

Figure T-1