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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Half-wave rectification
B	Overheating or out-gassing
C	Excess output ripple
D	Inverse memory effect

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

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	There is no adjustment allowed for lower duty cycle
B	It decreases by 50 percent
C	It increases by a factor of 3
D	It increases by a factor of 2

4. - T1A01

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

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

5. - T1B07

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

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

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From any vessel or craft located in international waters and documented or registered in the United States
B	From within any country that is a member of the United Nations
C	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
D	From within any country that belongs to the International Telecommunication Union

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	When such communications are directly related to the immediate safety of human life or protection of property
B	When broadcasting communications to or from the space shuttle
C	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
D	Never

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	The FCC
B	The station licensee
C	The frequency coordinator
D	Any licensed operator

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 person must be a U.S. citizen
D	The foreign station must be in a country with which the U.S. has a third party agreement

10. - T2A08

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

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

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	CTCSS
B	GPRS
C	D-STAR
D	DTMF

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	Record the time of each of your transmissions
B	Unless you are reporting an emergency, transmit only when directed by the net control station
C	All these choices are correct
D	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Polarization rotation
B	Amplification
C	Absorption
D	Knife-edge diffraction

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Impedance and reactance
B	Voltage and current
C	Ionizing and non-ionizing radiation
D	Electric and magnetic fields

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	Knife-edge diffraction
C	Faraday rotation
D	Quantum tunneling

16. - T4A11

Where should the negative power return of a mobile transceiver be connected in a vehicle?

Select	Answer
A	At the antenna mount
B	At the 12 volt battery chassis ground
C	Through the transceiver’s mounting bracket
D	To any metal part of the vehicle

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

Select	Answer
A	Enable the VOX
B	Store it in a memory channel
C	Enable the frequency offset
D	Use the scan mode to select the desired frequency

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Frequency
B	Wavelength
C	Speed
D	Pulse rate

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	0.3 amperes
B	0.003 amperes
C	3 amperes
D	3,000,000 amperes

20. - T5C08

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

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

21. - T5D11

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

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

22. - T6A06

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

Select	Answer
A	Varistor
B	Capacitor
C	Diode
D	Inductor

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Resistor
B	Reactor
C	Transistor
D	Transformer

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Ground symbol
B	Transistor
C	Battery
D	Resistor

25. - T6D07

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

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

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Phase splitter
B	Inverter
C	Amplifier
D	Mixer

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

28. - T7C10

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

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

29. - T7D03

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

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

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	More than 10 MHz
B	About 3 MHz
C	About 6 MHz
D	About 1 MHz

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

Select	Answer
A	Blocking access by other users
B	Possibility of commanding the satellite to an improper mode
C	Possibility of rebooting the satellite control computer
D	Overloading the satellite batteries

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A beacon
B	A repeater
C	A digipeater
D	A gateway

33. - T8D08

Which of the following is included in packet radio transmissions?

Select	Answer
A	A header that contains the call sign of the station to which the information is being sent
B	Automatic repeat request in case of error
C	A check sum that permits error detection
D	All these choices are correct

34. - T9A11

What is antenna gain?

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

35. - T9B05

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

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

Figure T-1