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. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	Shorting the terminals can cause burns, fire, or an explosion
B	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
C	Touching both terminals with the hands can cause electrical shock
D	All these choices are correct

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. - T0C09

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

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

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	All these choices are correct
B	An email notification from the NCVEC granting the license
C	The license appears in the FCC ULS database
D	A printed copy of the certificate of successful completion of examination

5. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

Select	Answer
A	50 watts
B	500 watts
C	1500 watts
D	100 watts

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

7. - T1D10

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

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

8. - T1E08

Which of the following is an example of automatic control?

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

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Select	Answer
A	All these choices are correct
B	The club must have at least four members
C	The club must be registered with the American Radio Relay League
D	The trustee must have an Amateur Extra Class operator license grant

10. - T2A08

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

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

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

Select	Answer
A	Register your radio with the local FCC office
B	Program your radio with the group’s ID or code
C	Join the repeater owner’s club
D	Sign your call after the courtesy tone

12. - T2C07

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

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

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	Nothing significant will happen
B	Signals have an echo effect
C	Received signal strength is reduced
D	The modulation sidebands might become inverted

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength gets longer as frequency increases
B	Wavelength and frequency increase as path length increases
C	Wavelength gets shorter as frequency increases
D	Wavelength and frequency are unrelated

15. - T3C03

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

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

16. - T4A08

Which of the following conductors is preferred for bonding at RF?

Select	Answer
A	Flat copper strap
B	Twisted-pair cable
C	Copper braid removed from coaxial cable
D	Steel wire

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The AGC or limiter
B	The bandwidth selection
C	The tone squelch
D	The RIT or Clarifier

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	Alternating current
B	All these choices are correct
C	Direct current
D	RF current

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. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

Select	Answer
A	0.7 watts
B	23.8 watts
C	3.8 watts
D	138 watts

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	8 ohms
B	3 ohms
C	48 ohms
D	16 ohms

22. - T6A11

Which of the following battery chemistries is not rechargeable?

Select	Answer
A	Nickel-cadmium
B	Lead-acid
C	Carbon-zinc
D	Lithium-ion

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Driven element
B	Diode
C	Resistor
D	Fuse

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Ground symbol
B	Resistor
C	Battery
D	Transistor

25. - T6D02

What is a relay?

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

26. - T7A10

What device increases the transmitted output power from a transceiver?

Select	Answer
A	All these choices are correct
B	A voltage divider
C	An RF power amplifier
D	An impedance network

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Ferrite choke
B	Band-pass filter
C	Low-pass filter
D	Preamplifier

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A 50-ohm reactance used to terminate a transmission line
B	A low-voltage power supply and a DC relay
C	A non-inductive resistor mounted on a heat sink
D	A high-gain amplifier and a TR switch

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Lead-tin solder
B	Acid-core solder
C	Rosin-core solder
D	Tin-copper solder

30. - T8A10

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

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

31. - T8B09

What causes spin fading of satellite signals?

Select	Answer
A	Doppler shift of the received signal
B	Circular polarized noise interference radiated from the sun
C	Interfering signals within the satellite uplink band
D	Rotation of the satellite and its antennas

32. - T8C05

What is a grid locator?

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

33. - T8D08

Which of the following is included in packet radio transmissions?

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

34. - T9A01

What is a beam antenna?

Select	Answer
A	An antenna that reverses the phase of received signals
B	An omnidirectional antenna invented by Clarence Beam
C	An antenna that concentrates signals in one direction
D	An antenna built from aluminum I-beams

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	High SWR
B	Water intrusion into coaxial connectors
C	Multiple connectors in the line
D	All these choices are correct

Figure T-1