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	All these choices are correct
C	Use three-wire cords and plugs for all AC powered equipment
D	Connect all AC powered station equipment to a common safety ground

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Select	Answer
A	FCC Part 97 rules
B	Local electrical codes
C	FAA tower lighting regulations
D	UL recommended practices

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

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	One for each permanent station location from which the person plans to operate
B	One
C	One for each band on which the person plans to operate
D	No more than two

5. - T1B08

How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

Select	Answer
A	International communications are not permitted in those segments
B	U.S. amateurs must give foreign amateur stations priority in those segments
C	Digital transmissions are not permitted in those segments
D	U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them

6. - T1C05

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

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

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Repeater, auxiliary, or space stations
B	Beacon, repeater, or space stations
C	Earth, repeater, or space stations
D	Auxiliary, beacon, or Earth stations

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	A General class or higher licensee with a satellite operator certification
B	Only an Amateur Extra Class operator who is also an AMSAT member
C	Any amateur allowed to transmit on the satellite uplink frequency
D	Only an Amateur Extra Class operator

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

Select	Answer
A	The licensed control operator must do the station identification
B	All these choices are correct
C	The person must be a U.S. citizen
D	The foreign station must be in a country with which the U.S. has a third party agreement

10. - T2A12

What should you do before calling CQ?

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

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

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

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	The approximate wavelength in meters
B	Traditional letter/number designators
C	Channel numbers
D	All these choices are correct

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	70 centimeters and 1.25 meters
B	All these choices are correct
C	6 and 10 meters
D	23 centimeters

16. - T4A09

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

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

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	All these choices are correct
B	The codec type being used
C	Your call sign
D	Your output power

18. - T5A03

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

Select	Answer
A	Resistance
B	Capacitance
C	Current
D	Voltage

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	18 dB
B	28 dB
C	12 dB
D	10 dB

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	MH
B	mh
C	MHz
D	Mhz

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. - T6A05

What type of electrical component consists of conductive surfaces separated by an insulator?

Select	Answer
A	Potentiometer
B	Oscillator
C	Capacitor
D	Resistor

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Pentagrid converter
B	Alternator
C	Transistor
D	Triode

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Battery
B	Resistor
C	Ground symbol
D	Transistor

25. - T6D08

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

Select	Answer
A	Resistor
B	Zener diode
C	Capacitor
D	Potentiometer

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for matching feed line impedance to 50 ohms
B	A device that combines a receiver and transmitter
C	A device for converting receiver and transmitter frequencies to another band
D	A device for automatically sending and decoding Morse code

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Add a high-pass filter to the TV antenna input
B	Add a preamplifier to the TV antenna input
C	Be sure all TV feed line coaxial connectors are installed properly
D	Add a low-pass filter to the TV antenna input

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A non-inductive resistor mounted on a heat sink
B	A low-voltage power supply and a DC relay
C	A 50-ohm reactance used to terminate a transmission line
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	Acid-core solder
B	Rosin-core solder
C	Lead-tin solder
D	Tin-copper solder

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	Less than 500 Hz
B	Between 50 and 125 kHz
C	About 150 kHz
D	Between 10 and 15 kHz

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	A licensed radio amateur who has registered for an access code from AMSAT
B	Anyone
C	A licensed radio amateur with a transmitter equipped for interrogating the satellite
D	A licensed radio amateur who has been certified by the protocol developer

32. - T8C05

What is a grid locator?

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

33. - T8D10

Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

Select	Answer
A	Weak signal propagation beacons
B	Earth-Moon-Earth
C	Meteor scatter
D	All these choices are correct

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	19
B	50
C	112
D	12

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	The ratio of amplifier power output to input
B	A measure of how well a load is matched to a transmission line
C	The transmitter efficiency ratio
D	An indication of the quality of your station’s ground connection

Figure T-1