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. - T0A08

Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

Select	Answer
A	In series with the hot and neutral conductors
B	In parallel with the hot conductor only
C	In series with the hot conductor only
D	In parallel with the hot and neutral conductors

2. - T0B02

What is required when climbing an antenna tower?

Select	Answer
A	All these choices are correct
B	Always wear an approved climbing harness
C	Have sufficient training on safe tower climbing techniques
D	Use appropriate tie-off to the tower at all times

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	All these choices are correct
B	By informing the FCC of any changes made in your station
C	By making sure your antennas have low SWR
D	By re-evaluating the station whenever an item in the transmitter or antenna system is changed

4. - T1A01

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

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

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	6 meters
B	2 meters
C	20 meters
D	70 centimeters

6. - T1C04

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

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

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

8. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The mailing address of the station licensee
B	The location of the station’s transmitting apparatus
C	The location of the station’s transmitting antenna
D	The location at which the control operator function is performed

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least every 10 minutes during and at the end of a communication
B	At least once during each transmission
C	At least every 15 minutes during and at the end of a communication
D	At the beginning of each contact, and every 10 minutes thereafter

10. - T2A05

How should you respond to a station calling CQ?

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

11. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

Select	Answer
A	DTMF
B	Tone burst
C	CTCSS
D	Carrier squelch

12. - T2C10

What information is contained in the preamble of a formal traffic message?

Select	Answer
A	The email address of the originating station
B	Information needed to track the message
C	The telephone number of the addressee
D	The address of the intended recipient

13. - T3A02

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

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

14. - T3B03

What are the two components of a radio wave?

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

15. - T3C11

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

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

16. - T4A11

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

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

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	Your output power
B	The codec type being used
C	Your call sign
D	All these choices are correct

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Hertz
B	Henry
C	Tesla
D	Farad

19. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	150 milliamperes
B	1500 milliamperes
C	15 milliamperes
D	15,000 milliamperes

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	MH
B	mh
C	Mhz
D	MHz

21. - T5D07

What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

Select	Answer
A	9600 amperes
B	200 amperes
C	1.5 amperes
D	0.667 amperes

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	A single circuit is opened or closed
B	Two circuits are opened or closed
C	A single circuit is switched between one of two other circuits
D	Two circuits are each switched between one of two other circuits

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Potentiometer
B	Thermistor
C	Transistor
D	Varistor

24. - T6C11

What is component 4 in figure T-3?

Select	Answer
A	Dummy load
B	Antenna
C	Ground
D	Transmitter

25. - T6D02

What is a relay?

Select	Answer
A	A pass transistor
B	An electrically-controlled switch
C	A current controlled amplifier
D	An inverting amplifier

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Total Harmonic Distortion
B	Linearity
C	Selectivity
D	Sensitivity

27. - T7B08

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

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

28. - T7C10

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

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

29. - T7D10

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

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

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

Select	Answer
A	AM
B	SSB
C	PSK
D	FM or PM

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

Select	Answer
A	The signal strength of received signals
B	All these choices are correct
C	Time of day accurate to plus or minus 1/10 second
D	Health and status of the satellite

32. - T8C03

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

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

33. - T8D02

What is a “talkgroup” on a DMR repeater?

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

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It radiates at a very high angle
B	It has 10 times the power gain of a 1/4 wavelength whip
C	It has more gain than a 1/4-wavelength antenna
D	It eliminates distortion caused by reflected signals

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	The transmitter efficiency ratio
B	The ratio of amplifier power output to input
C	An indication of the quality of your station’s ground connection
D	A measure of how well a load is matched to a transmission line

Figure T-3