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	Touching both terminals with the hands can cause electrical shock
C	All these choices are correct
D	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas

2. - T0B09

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

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

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	By measurement of field strength using calibrated equipment
B	All these choices are correct
C	By calculation based on FCC OET Bulletin 65
D	By calculation based on computer modeling

4. - T1A04

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

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

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	100 watts
B	50 watts
C	10 watts
D	200 watts

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. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	In all circumstances
B	Telecommand or transmissions of telemetry
C	Broadcasting
D	International Morse Code Practice

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	When the station licensee is away and another licensed amateur is using the station
B	When using automatic control, such as in the case of a repeater
C	Never
D	When the transmitting station is an auxiliary station

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 trustee must have an Amateur Extra Class operator license grant
D	The club must have at least four members

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

Select	Answer
A	Plus or minus 5 MHz
B	Plus or minus 600 kHz
C	Plus or minus 500 kHz
D	Plus or minus 1 MHz

11. - T2B12

What is the purpose of the color code used on DMR repeater systems?

Select	Answer
A	Must match the repeater color code for access
B	Defines the minimum signal level required for access
C	Identifies the codec used
D	Defines the frequency pair to use

12. - T2C04

What is RACES?

Select	Answer
A	An international radio experimentation society
B	An FCC part 97 amateur radio service for civil defense communications during national emergencies
C	An emergency organization combining amateur radio and citizens band operators and frequencies
D	A radio contest held in a short period, sometimes called a “sprint”

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Knife-edge diffraction
B	Amplification
C	Polarization rotation
D	Absorption

14. - T3B06

What is the formula for converting frequency to approximate wavelength in meters?

Select	Answer
A	Wavelength in meters equals 300 divided by frequency in megahertz
B	Wavelength in meters equals frequency in megahertz divided by 300
C	Wavelength in meters equals frequency in hertz divided by 300
D	Wavelength in meters equals frequency in hertz multiplied by 300

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

16. - T4A07

Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

Select	Answer
A	Computer “line in” to transceiver speaker connector
B	Computer “line out” to transceiver speaker connector
C	Computer “line out” to transceiver push-to-talk
D	Computer “line in” to transceiver push-to-talk

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Permits monitoring several modes at once by selecting a separate filter for each mode
B	Increases the number of frequencies that can be stored in memory
C	Increases the amount of offset between receive and transmit frequencies
D	Permits noise or interference reduction by selecting a bandwidth matching the mode

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Speed
B	Frequency
C	Pulse rate
D	Wavelength

19. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	2.800 MHz
B	284.00 MHz
C	28.400 kHz
D	28.400 MHz

20. - T5C12

What is impedance?

Select	Answer
A	The opposition to AC current flow
B	The inverse of resistance
C	The power handling capability of a component
D	The Q or Quality Factor of a component

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

Select	Answer
A	11 volts
B	1 volt
C	9 volts
D	10 volts

22. - T6A11

Which of the following battery chemistries is not rechargeable?

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

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With the letter C
B	With the word "cathode"
C	With a stripe
D	With the letter K

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Regulator IC
B	Capacitor
C	Resistor
D	Transistor

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	FET
B	LED
C	Bipolar transistor
D	Zener diode

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Inverter
B	Mixer
C	Phase splitter
D	Amplifier

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Installing a band-reject filter
B	Using double-shielded coaxial cable
C	Installing bypass capacitors on the microphone cable
D	Installing an RF preamplifier

28. - T7C03

What does a dummy load consist of?

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

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

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

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

Select	Answer
A	6 kHz
B	3 kHz
C	15 kHz
D	1 kHz

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

Select	Answer
A	Your signal strength on the downlink should be about the same as the beacon
B	Listen for distortion on your downlink signal
C	All these choices are correct
D	Check your signal strength report in the telemetry data

32. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

Select	Answer
A	A directional antenna
B	All these choices are correct
C	Calibrated SWR meter
D	A calibrated noise bridge

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

34. - T9A06

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

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

35. - T9B02

What is the most common impedance of coaxial cables used in amateur radio?

Select	Answer
A	600 ohms
B	8 ohms
C	50 ohms
D	12 ohms

Figure T-2