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	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
B	All these choices are correct
C	Shorting the terminals can cause burns, fire, or an explosion
D	Touching both terminals with the hands can cause electrical shock

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Provide a ground path for lightning strikes
B	Provide an ability to measure for proper tensioning
C	Secure the guy line if the turnbuckle breaks
D	Prevent loosening of the turnbuckle from vibration

3. - T0C07

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

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

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	An email notification from the NCVEC granting the license
B	All these choices are correct
C	A printed copy of the certificate of successful completion of examination
D	The license appears in the FCC ULS database

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	70 centimeters
B	6 meters
C	2 meters
D	20 meters

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From any vessel or craft located in international waters and documented or registered in the United States
B	From within any country that belongs to the International Telecommunication Union
C	From within any country that is a member of the United Nations
D	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3

7. - T1D02

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

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

8. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The location of the station’s transmitting apparatus
B	The location of the station’s transmitting antenna
C	The mailing address of the station licensee
D	The location at which the control operator function is performed

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

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	432.100 MHz
B	446.000 MHz
C	146.520 MHz
D	145.000 MHz

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	You are talking too loudly
B	You need to talk louder
C	Your repeater offset is inverted
D	Your transmit power is too high

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	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
D	All these choices are correct

13. - T3A01

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

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

14. - T3B08

What frequency range is referred to as VHF?

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

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

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. - T5A09

Which of the following describes alternating current?

Select	Answer
A	Current that alternates between a negative direction and zero
B	Current that alternates between positive and negative directions
C	Current that alternates between a positive direction and zero
D	All these answers are correct

19. - T5B10

Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

Select	Answer
A	-6 dB
B	-1 dB
C	-9 dB
D	-3 dB

20. - T5C09

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

Select	Answer
A	23.8 watts
B	0.7 watts
C	138 watts
D	3.8 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. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Capacitor
B	Varistor
C	Inductor
D	Diode

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	On resistance
B	Forward voltage drop
C	Gain
D	Forward resistance

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Transistor
B	Regulator IC
C	Resistor
D	Capacitor

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Select	Answer
A	Reflector
B	Amplifier
C	Rectifier
D	Transformer

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Linearity
B	Selectivity
C	Sensitivity
D	Total Harmonic Distortion

27. - T7B02

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

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

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Moisture contamination
B	Rapid fluctuation in transmitter output power
C	Operation at 100% duty cycle for an extended period
D	Solder flux contamination

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	Voltage and resistance
B	Impedance and reactance
C	Signal strength and noise
D	All these choices are correct

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

Select	Answer
A	PSK
B	FM or PM
C	SSB
D	AM

31. - T8B11

Who may receive telemetry from a space station?

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

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	EchoLink
B	DMR
C	D-STAR
D	IRLP

33. - T8D08

Which of the following is included in packet radio transmissions?

Select	Answer
A	A header that contains the call sign of the station to which the information is being sent
B	Automatic repeat request in case of error
C	All these choices are correct
D	A check sum that permits error detection

34. - T9A12

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

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

35. - T9B02

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

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

Figure T-2