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

2. - T0B08

Which is a proper grounding method for a tower?

Select	Answer
A	A single four-foot ground rod, driven into the ground no more than 12 inches from the base
B	A ferrite-core RF choke connected between the tower and ground
C	Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
D	A connection between the tower base and a cold water pipe

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	All these choices are correct
B	RF burn to skin
C	Electrocution
D	Radiation poisoning

4. - T1A11

When is willful interference to other amateur radio stations permitted?

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

5. - T1B04

Which amateur band includes 146.52 MHz?

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

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Five years
B	Life
C	Eight years
D	Ten years

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Only when transmitting control commands to space stations or radio control craft
B	Never
C	Only during contests
D	Only when transmitting certain approved digital codes

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

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

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

Select	Answer
A	Plus or minus 1 MHz
B	Plus or minus 600 kHz
C	Plus or minus 5 MHz
D	Plus or minus 500 kHz

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Mute the receiver audio when a signal is not present
B	Eliminate parasitic oscillations in an RF amplifier
C	Reduce a CW transmitter's key clicks
D	Reduce interference from impulse noise

12. - T2C10

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

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

13. - T3A11

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

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

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	3 to 30 MHz
B	300 to 3000 kHz
C	300 to 3000 MHz
D	30 to 300 MHz

15. - T3C07

What band is best suited for communicating via meteor scatter?

Select	Answer
A	70 centimeters
B	2 meters
C	33 centimeters
D	6 meters

16. - T4A07

Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

Select	Answer
A	Computer “line in” to transceiver push-to-talk
B	Computer “line in” to transceiver speaker connector
C	Computer “line out” to transceiver push-to-talk
D	Computer “line out” to transceiver speaker connector

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Increases the amount of offset between receive and transmit frequencies
B	Permits noise or interference reduction by selecting a bandwidth matching the mode
C	Permits monitoring several modes at once by selecting a separate filter for each mode
D	Increases the number of frequencies that can be stored in memory

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Watts
B	Watt-hours
C	Volts
D	Amperes

19. - T5B09

Which decibel value most closely represents a power increase from 5 watts to 10 watts?

Select	Answer
A	2 dB
B	5 dB
C	10 dB
D	3 dB

20. - T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

Select	Answer
A	132 amperes
B	0.1 amperes
C	10 amperes
D	12 amperes

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	0.2 volts
B	12 volts
C	8 volts
D	20 volts

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Capacitance
B	Resistance
C	Field strength
D	Inductance

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With the letter C
B	With a stripe
C	With the letter K
D	With the word "cathode"

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Variable inductor
B	Transformer
C	Potentiometer
D	Double-pole switch

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Select	Answer
A	Transformer
B	Rectifier
C	Reflector
D	Amplifier

26. - T7A04

Which term describes the ability of a receiver to discriminate between multiple signals?

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

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Good impedance match
B	Impedance mismatch
C	Gain of +4 dB
D	Loss of -4 dB

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. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Suppressed sideband
B	Inverted sideband
C	Lower sideband
D	Upper sideband

31. - T8B05

What is a satellite beacon?

Select	Answer
A	An indicator light that shows where to point your antenna
B	A reflective surface on the satellite
C	The primary transmit antenna on the satellite
D	A transmission from a satellite that contains status information

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By obtaining a password that is sent via voice to the node
B	By using DTMF signals
C	By using CTCSS tone codes
D	By entering the proper internet password

33. - T8D02

What is a “talkgroup” on a DMR repeater?

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

34. - T9A10

In which direction does a half-wave dipole antenna radiate the strongest signal?

Select	Answer
A	Broadside to the antenna
B	Equally in all directions
C	In the direction of the feed line
D	Off the ends of the antenna

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	75-ohm flexible coax
B	Multi-conductor unbalanced cable
C	Air-insulated hardline
D	50-ohm flexible coax

Figure T-2