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	All these choices are correct
C	To limit current to prevent shocks
D	To prevent power supply ripple from damaging a component

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	All these choices are correct
B	Make sure all ground wire bends are right angles
C	Ensure that connections are short and direct
D	Put a drip loop in the ground connection to prevent water damage to the ground system

3. - T0C13

Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

Select	Answer
A	Anyone who is near an antenna
B	The station licensee
C	The local zoning board
D	The FCC

4. - T1A11

When is willful interference to other amateur radio stations permitted?

Select	Answer
A	When making short test transmissions
B	At any time, stations in the Amateur Radio Service are not protected from willful interference
C	To stop another amateur station that is breaking the FCC rules
D	At no time

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	49.00 MHz
B	52.525 MHz
C	28.50 MHz
D	222.15 MHz

6. - T1C04

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

Select	Answer
A	Revocation of the station license or suspension of the operator license
B	Fine and suspension of operator license
C	Nothing; there is no such requirement
D	Revocation of access to the license record in the FCC system

7. - T1D10

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

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

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	When the station licensee is away and another licensed amateur is using the station
B	When the transmitting station is an auxiliary station
C	Never
D	When using automatic control, such as in the case of a repeater

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

Select	Answer
A	All these choices are correct
B	The licensed control operator must do the station identification
C	The foreign station must be in a country with which the U.S. has a third party agreement
D	The person must be a U.S. citizen

10. - T2A12

What should you do before calling CQ?

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

11. - T2B05

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

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

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	Ensuring that any newsworthy messages are relayed to the news media
B	All these choices are correct
C	Passing messages exactly as received
D	Making decisions as to whether messages are worthy of relay or delivery

13. - T3A12

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

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

14. - T3B11

What is the approximate velocity of a radio wave in free space?

Select	Answer
A	300,000,000 meters per second
B	150,000 miles per hour
C	150,000 meters per second
D	300,000,000 miles per hour

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio waves are not blocked by dust particles
B	The atmosphere refracts radio waves slightly
C	Radio waves are blocked by dust particles
D	Radio signals move somewhat faster than the speed of light

16. - T4A09

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

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

17. - T4B02

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

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

18. - T5A09

Which of the following describes alternating current?

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

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	KHZ
B	kHz
C	khZ
D	khz

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	30 ohms
B	270 ohms
C	93 ohms
D	3 ohms

22. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Capacitor
B	Inductor
C	Varistor
D	Diode

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

Select	Answer
A	Reverse current
B	Forward current
C	Capacitively-coupled RF signal
D	Inductively-coupled RF signal

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Light emitting diode
B	Resistor
C	Inductor
D	Regulator IC

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Variable capacitor
B	Transistor
C	Diode
D	Transformer

26. - T7A05

What is the name of a circuit that generates a signal at a specific frequency?

Select	Answer
A	Reactance modulator
B	Low-pass filter
C	Oscillator
D	Phase modulator

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Block the interfering signal with a filter on the amateur transmitter
B	Switch the transmitter to a narrow-band mode
C	Switch the transmitter from FM to SSB
D	Block the amateur signal with a filter at the antenna input of the affected receiver

28. - T7C05

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

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

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

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

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	SSB signals are easier to tune in correctly
B	SSB signals are less susceptible to interference
C	SSB signals have narrower bandwidth
D	All these choices are correct

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
B	The satellite operates using ultraviolet frequencies
C	The satellite frequencies are usually variable
D	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	Complete the required EchoLink training
B	All these choices are correct
C	Register your call sign and provide proof of license
D	Purchase a license to use the EchoLink software

33. - T8D02

What is a “talkgroup” on a DMR repeater?

Select	Answer
A	A group of operators sharing common interests
B	A net that meets at a specified time
C	A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together
D	A way for groups of users to share a channel at different times without hearing other users on the channel

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 additional power that is required in the antenna when transmitting on a higher frequency
C	The increase in impedance on receive or transmit compared to a reference antenna
D	The additional power that is added to the transmitter power

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