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 limit current to prevent shocks
B	To prevent power supply ripple from damaging a component
C	All these choices are correct
D	To remove power in case of overload

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	All these choices are correct
B	Wear a ground strap connected to your wrist at all times
C	Look for and stay clear of any overhead electrical wires
D	Insulate the base of the tower to avoid lightning strikes

3. - T0C13

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

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

4. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

Select	Answer
A	All these choices are correct
B	A radio service using amateur stations for emergency management or civil defense communications
C	A radio service using amateur frequencies for emergency management or civil defense communications
D	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization

5. - T1B07

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

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

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

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

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

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

Select	Answer
A	All licensed amateurs who are present at the operation
B	Only the control operator
C	Only the station licensee
D	The control operator and the station licensee

9. - T1F11

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

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

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A list of operating schedules
B	A voluntary guideline for using different modes or activities within an amateur band
C	A list of available net frequencies
D	A plan devised by a club to indicate frequency band usage

11. - T2B04

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

Select	Answer
A	Improper transceiver offset
B	You are using the wrong DCS code
C	All these choices are correct
D	You are using the wrong CTCSS tone

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only when part of a RACES emergency plan
B	No
C	Yes, but only in situations involving the immediate safety of human life or protection of property
D	Yes, but only when part of a FEMA emergency plan

13. - T3A11

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

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

14. - T3B10

What frequency range is referred to as HF?

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

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	Gray-line propagation
B	Sporadic E
C	D region absorption
D	Backscatter

16. - T4A11

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

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

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. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Amperes
B	Volts
C	Watts
D	Ohms

19. - T5B05

Which is equal to 500 milliwatts?

Select	Answer
A	0.02 watts
B	50 watts
C	5 watts
D	0.5 watts

20. - T5C01

What describes the ability to store energy in an electric field?

Select	Answer
A	Inductance
B	Capacitance
C	Resistance
D	Tolerance

21. - T5D02

What formula is used to calculate voltage in a circuit?

Select	Answer
A	E = I + R
B	E = I / R
C	E = I x R
D	E = I - R

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Varactor
B	Fuse
C	Thyratron
D	All these choices are correct

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Emitter, base, collector
B	Input, output, supply
C	Signal, bias, power
D	Pole one, pole two, output

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Variable capacitor
B	Meter
C	Variable inductor
D	Connector

25. - T6D06

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

Select	Answer
A	Transformer
B	Transistor
C	Variable capacitor
D	Diode

26. - T7A10

What device increases the transmitted output power from a transceiver?

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

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Select	Answer
A	Immediately turn off your transmitter and contact the nearest FCC office for assistance
B	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
C	Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
D	All these choices are correct

28. - T7C05

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

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

29. - T7D01

Which instrument would you use to measure electric potential?

Select	Answer
A	A wavemeter
B	An ammeter
C	An ohmmeter
D	A voltmeter

30. - T8A10

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

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

31. - T8B02

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

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

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	Sign only the last two letters of your call if there are many other stations calling
B	Contact the station twice to be sure that you are in his log
C	Send only the minimum information needed for proper identification and the contest exchange
D	All these choices are correct

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 group of operators sharing common interests
C	A net that meets at a specified time
D	A way for groups of users to share a channel at different times without hearing other users on the channel

34. - T9A06

Which of the following types of antenna offers the greatest gain?

Select	Answer
A	5/8 wave vertical
B	J pole
C	Yagi
D	Isotropic

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	UHF (PL-259/SO-239)
B	Type N
C	RS-213
D	DB-25

Figure T-3