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. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Hot
B	Neutral
C	Equipment ground
D	Black insulation is never used

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	Insulate the base of the tower to avoid lightning strikes
C	Look for and stay clear of any overhead electrical wires
D	Wear a ground strap connected to your wrist at all times

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It affects the peak exposure to radiation
B	It takes into account the thermal effects of the final amplifier
C	It affects the average exposure to radiation
D	It takes into account the antenna feed line loss

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	A bulletin sent by the FCC to announce a national emergency
B	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities
C	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
D	A government transmitter marking the amateur radio band edges

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	1500 watts
C	500 watts
D	100 watts

6. - T1C04

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

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

7. - T1D03

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

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

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	A control operator is required at all times
B	The control operator must indirectly manipulate the controls
C	All these choices are correct
D	The control operator must be at the control point

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

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	Listen first to be sure that no one else is using the frequency
B	Make sure you are authorized to use that frequency
C	All these choices are correct
D	Ask if the frequency is in use

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A system of repeaters linked by APRS
B	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network
C	Multiple repeaters with the same control operator
D	A single repeater with more than one receiver

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

13. - T3A01

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

Select	Answer
A	Multipath propagation cancels or reinforces signals
B	All these choices are correct
C	VHF ionospheric propagation is very sensitive to path length
D	The signal path encounters different concentrations of water vapor

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	FCC regulations prohibit them from going more than 50 miles
B	UHF signals are usually not propagated by the ionosphere
C	UHF signals are absorbed by the ionospheric D region
D	They are too weak to go very far

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Multiply the watts per hour consumed by the equipment by the battery power rating
B	Divide the battery ampere-hour rating by the average current draw of the equipment
C	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
D	Multiply the square of the current rating of the battery by the input resistance of the equipment

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	The DMR software version
B	The codec for digitizing audio
C	Access information for repeaters and talkgroups
D	Your call sign in CW for automatic identification

18. - T5A03

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

Select	Answer
A	Capacitance
B	Current
C	Resistance
D	Voltage

19. - T5B03

Which is equal to one kilovolt?

Select	Answer
A	One one-thousandth of a volt
B	One million volts
C	One thousand volts
D	One hundred volts

20. - T5C11

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

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

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	0.667 amperes
B	200 amperes
C	9600 amperes
D	1.5 amperes

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	Two circuits are opened or closed
B	A single circuit is 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. - T6B12

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

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

24. - T6C08

What is component 9 in figure T-2?

Select	Answer
A	Variable inductor
B	Variable transformer
C	Variable resistor
D	Variable capacitor

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Transducer
B	Integrated circuit
C	Transformer
D	Multi-pole relay

26. - T7A06

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

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

27. - T7B08

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

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

28. - T7C02

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

Select	Answer
A	A VTVM
B	A frequency counter
C	A Q meter
D	An antenna analyzer

29. - T7D04

Which instrument is used to measure electric current?

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

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	150 Hz
B	1000 Hz
C	2.4 kHz
D	15 kHz

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	The last observed time of zero Doppler shift
B	The Keplerian elements
C	The satellite transmitted power
D	All these choices are correct

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	Complete the required EchoLink training
B	Register your call sign and provide proof of license
C	Purchase a license to use the EchoLink software
D	All these choices are correct

33. - T8D11

What is an ARQ transmission system?

Select	Answer
A	A special transmission format limited to video signals
B	An error correction method in which the receiving station detects errors and sends a request for retransmission
C	A method of compressing data using autonomous reiterative Q codes prior to final encoding
D	A system used to encrypt command signals to an amateur radio satellite

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

Select	Answer
A	Adding capacitive loading to the ends of the radiating wires
B	Lengthening it
C	Shortening it
D	Inserting coils in series with radiating wires

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	There is no significant difference between the two types
B	RG-58 cable can handle higher power levels
C	RG-58 cable has two shields
D	RG-213 cable has less loss at a given frequency

Figure T-2