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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	All these choices are correct
B	Excessive current could cause a fire
C	The power supply ripple would greatly increase
D	The larger fuse would be likely to blow because it is rated for higher current

2. - T0B03

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

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

3. - T0C08

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

Select	Answer
A	Relocate the transmitter
B	Relocate antennas
C	All these choices are correct
D	Increase the duty cycle

4. - T1A04

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

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

5. - T1B07

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

Select	Answer
A	50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
B	219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
C	902.0 MHz to 902.1 MHz
D	All these choices are correct

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur with an Amateur Extra Class license
B	Any licensed amateur
C	Only a licensed amateur with a General or Amateur Extra Class license
D	Only a licensed amateur who has been licensed continuously for more than 10 years

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Two-way transmissions by amateur stations
B	Any transmission made by the licensed station
C	Transmission of messages directed only to amateur operators
D	Transmissions intended for reception by the general public

8. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Repeater operation
B	Using a computer or other device to identify automatically
C	Using a computer or other device to send CW automatically
D	Controlling a station over the internet

9. - T1F06

Which of the following self-assigned indicators are acceptable when using a phone transmission?

Select	Answer
A	KL7CC slash W3
B	KL7CC slant W3
C	All these choices are correct
D	KL7CC stroke W3

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	All these choices are correct
B	Make sure you are authorized to use that frequency
C	Ask if the frequency is in use
D	Listen first to be sure that no one else is using the frequency

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	You need to talk louder
B	You are talking too loudly
C	Your transmit power is too high
D	Your repeater offset is inverted

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	All these choices are correct
B	Send the words by voice and Morse code
C	Speak very loudly into the microphone
D	Spell the words using a standard phonetic alphabet

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

Select	Answer
A	The ionosphere
B	The mesosphere
C	The stratosphere
D	The troposphere

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The orientation of the magnetic field
B	The ratio of the energy in the magnetic field to the energy in the electric field
C	The orientation of the electric field
D	The ratio of the velocity to the wavelength

15. - T3C03

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

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

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Divide the battery ampere-hour rating by the average current draw of the equipment
B	Multiply the watts per hour consumed by the equipment by the battery power rating
C	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
D	Multiply the square of the current rating of the battery by the input resistance of the equipment

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

Select	Answer
A	Distorted transmitted audio
B	Frequency instability
C	Increased SWR
D	All these choices are correct

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Capacitance
B	Voltage
C	Ampere-hours
D	Inductance

19. - T5B05

Which is equal to 500 milliwatts?

Select	Answer
A	0.5 watts
B	5 watts
C	50 watts
D	0.02 watts

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	mh
B	MH
C	Mhz
D	MHz

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Parallel
B	Resonant
C	Series
D	Branch

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	All these choices are correct
B	Nickel-metal hydride
C	Lead-acid
D	Lithium-ion

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Input, output, supply
B	Signal, bias, power
C	Pole one, pole two, output
D	Emitter, base, collector

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Transistor
B	Resistor
C	Battery
D	Ground symbol

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Multi-pole relay
B	Transducer
C	Transformer
D	Integrated circuit

26. - T7A06

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

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

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	Fundamental overload
B	Harmonics
C	Spurious emissions
D	All these choices are correct

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It cannot be used at below freezing temperatures
B	It cannot be used for VHF or UHF antennas
C	It has more loss per foot
D	It requires special techniques to prevent moisture in the cable

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

30. - T8A03

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

Select	Answer
A	DRM
B	FM
C	SSB
D	PM

31. - T8B10

What is a LEO satellite?

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

32. - T8C05

What is a grid locator?

Select	Answer
A	A letter-number designator assigned to an azimuth and elevation
B	An instrument for neutralizing a final amplifier
C	An instrument for radio direction finding
D	A letter-number designator assigned to a geographic location

33. - T8D03

What kind of data can be transmitted by APRS?

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

34. - T9A11

What is antenna gain?

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

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The characteristic impedance increases
B	The loss decreases
C	The loss increases
D	The characteristic impedance decreases

Figure T-1