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. - T0A06

What is a good way to guard against electrical shock at your station?

Select	Answer
A	Install mechanical interlocks in high-voltage circuits
B	Use three-wire cords and plugs for all AC powered equipment
C	All these choices are correct
D	Connect all AC powered station equipment to a common safety ground

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	The antenna will not work properly because of induced voltages
B	All these choices are correct
C	The antenna could contact high-voltage power lines
D	The 60 Hz radiations from the feed line may increase the SWR

3. - T0C07

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

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

4. - T1A10

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

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

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	To allow for calibration error in the transmitter frequency display
B	To allow for transmitter frequency drift
C	So that modulation sidebands do not extend beyond the band edge
D	All these choices are correct

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	W1XX
B	KF1XXX
C	All these choices are correct
D	KA1X

7. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

Select	Answer
A	When no profit is made on the sale
B	When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
C	Never
D	When selling amateur radio equipment and not on a regular basis

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	As part of a multi-operator contest team
C	When designated as the control operator by an Amateur Extra Class licensee
D	At no time

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	The owner of the repeater
B	Both the originating station and the repeater owner
C	The control operator of the repeater
D	The control operator of the originating station

10. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Select	Answer
A	Diplex
B	Full duplex
C	Simplex
D	Multiplex

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To listen on a repeater’s input frequency
B	To listen on a repeater’s output frequency
C	To reduce power output
D	To increase power output

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	Amplification
B	Knife-edge diffraction
C	Absorption
D	Polarization rotation

14. - T3B03

What are the two components of a radio wave?

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

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	Backscatter
D	D region absorption

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

Select	Answer
A	FT8 digital communications via AFSK
B	RTTY encoding and decoding without a computer
C	High-speed digital communications for meteor scatter
D	Communication using digital voice or data systems via the internet

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

Select	Answer
A	By enabling the group’s CTCSS tone
B	By entering the group’s identification code
C	By activating automatic identification
D	By retrieving the frequencies from transceiver memory

18. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Current
B	Capacitance
C	Resistance
D	Voltage

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	0.002425 GHz
B	2.425 GHz
C	24.25 GHz
D	2425 GHz

20. - T5C09

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

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

21. - T5D01

What formula is used to calculate current in a circuit?

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

22. - T6A08

What is the function of an SPDT switch?

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

23. - T6B05

What type of transistor has a gate, drain, and source?

Select	Answer
A	Varistor
B	Bipolar junction
C	Field-effect
D	Tesla-effect

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Flow chart
B	Bill of materials
C	Connector pinout
D	Schematic

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

Select	Answer
A	Zener diode
B	Capacitor
C	Resistor
D	Potentiometer

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	Low-pass filter
B	High-pass filter
C	Transverter
D	Phase converter

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The receiver is unable to reject strong signals outside the AM or FM band
B	The audio amplifier of the transmitter is overloaded
C	The microphone gain of the transmitter is turned up too high
D	The deviation of an FM transmitter is set too low

28. - T7C03

What does a dummy load consist of?

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

29. - T7D03

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

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

30. - T8A10

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

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

31. - T8B05

What is a satellite beacon?

Select	Answer
A	The primary transmit antenna on the satellite
B	A reflective surface on the satellite
C	An indicator light that shows where to point your antenna
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 using DTMF signals
B	By entering the proper internet password
C	By obtaining a password that is sent via voice to the node
D	By using CTCSS tone codes

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	A satellite communications network using modified commercial satellite TV hardware
B	An internet linking protocol used to network repeaters
C	A wide-bandwidth digital voice mode employing DMR protocols
D	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware

34. - T9A12

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

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

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Overload from a strong local station
B	Over-modulation
C	Loose connection in the antenna or feed line
D	Local thunderstorm