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. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

Select	Answer
A	On a grounded panel near where feed lines enter the building
B	At the ac power service panel
C	At the antenna feed point
D	At the output connector of a transceiver

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	The antenna could contact high-voltage power lines
C	The 60 Hz radiations from the feed line may increase the SWR
D	All these choices are correct

3. - T0C10

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

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

4. - T1A06

What is the FCC Part 97 definition of a beacon?

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

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	222.15 MHz
B	52.525 MHz
C	49.00 MHz
D	28.50 MHz

6. - T1C09

What is the grace period for renewal if an amateur license expires?

Select	Answer
A	Five years
B	Two years
C	Ten years
D	Three years

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
B	Any country banned from such communications by the International Amateur Radio Union (IARU)
C	Any country banned from making such communications by the American Radio Relay League (ARRL)
D	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications

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	At no time
B	As part of a multi-operator contest team
C	When designated as the control operator by an Amateur Extra Class licensee
D	When using a club station whose trustee holds an Amateur Extra Class license

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	At any time after written notification by the FCC of such inspection
B	At any time ten days after notification by the FCC of such an inspection
C	Only when presented with a valid warrant by an FCC official or government agent
D	At any time upon request by an FCC representative

10. - T2A01

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

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

11. - T2B05

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

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

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	The call sign of the originating station
B	The number of words or word equivalents in the text portion of the message
C	A box on the message form that indicates that the message was received and/or relayed
D	A list of stations that have relayed the message

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	The signal path encounters different concentrations of water vapor
C	All these choices are correct
D	VHF ionospheric propagation is very sensitive to path length

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They travel at different speeds
B	They are in parallel
C	They revolve in opposite directions
D	They are at right angles

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. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	24.0 volts at 12 amperes
B	24.0 volts at 4 amperes
C	13.8 volts at 12 amperes
D	13.8 volts at 4 amperes

17. - T4B12

What is the result of tuning an FM receiver above or below a signal’s frequency?

Select	Answer
A	Change in audio pitch
B	Generation of a heterodyne tone
C	Distortion of the signal’s audio
D	Sideband inversion

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Volts
B	Watts
C	Ohms
D	Amperes

19. - T5B12

Which is equal to 28400 kHz?

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

20. - T5C12

What is impedance?

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

21. - T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

Select	Answer
A	2.5 volts
B	1.5 volts
C	0.25 volts
D	1 volt

22. - T6A08

What is the function of an SPDT switch?

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

23. - T6B01

Which is true about forward voltage drop in a diode?

Select	Answer
A	It indicates that the diode is defective
B	It has no impact on the voltage delivered to the load
C	It is proportional to peak inverse voltage
D	It is lower in some diode types than in others

24. - T6C08

What is component 9 in figure T-2?

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

25. - T6D07

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

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

26. - T7A05

What is the name of a circuit that generates a signal at a specific frequency?

Select	Answer
A	Reactance modulator
B	Oscillator
C	Low-pass filter
D	Phase modulator

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 deviation of an FM transmitter is set too low
D	The microphone gain of the transmitter is turned up too high

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet light can increase losses in the cable’s jacket
B	Ultraviolet light can damage the jacket and allow water to enter the cable
C	Ultraviolet and RF signals can mix, causing interference
D	Ultraviolet resistant jackets prevent harmonic radiation

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Tin-copper solder
B	Rosin-core solder
C	Lead-tin solder
D	Acid-core solder

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

Select	Answer
A	All these choices are correct
B	FM signals are harder to tune
C	Voice quality is poorer
D	Only one signal can be received at a time

31. - T8B03

Which of the following are provided by satellite tracking programs?

Select	Answer
A	The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
B	The apparent frequency of the satellite transmission, including effects of Doppler shift
C	Maps showing the real-time position of the satellite track over Earth
D	All these choices are correct

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Public service events
B	Contesting
C	Net operations
D	Simulated emergency exercises

33. - T8D08

Which of the following is included in packet radio transmissions?

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

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. - T9B07

Which of the following is true of PL-259 type coax connectors?

Select	Answer
A	They are commonly used at HF and VHF frequencies
B	They are a bayonet-type connector
C	They are preferred for microwave operation
D	They are watertight

Figure T-2