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

2. - T0B09

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

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

3. - T0C06

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

Select	Answer
A	All these choices are correct
B	By calculation based on FCC OET Bulletin 65
C	By measurement of field strength using calibrated equipment
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 permanent station location from which the person plans to operate
B	One
C	No more than two
D	One for each band on which the person plans to operate

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	100 watts
C	1500 watts
D	500 watts

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	Yes, as soon as you apply for renewal
B	Yes, for up to one year
C	Yes, for up to two years
D	No, you must wait until the license has been renewed

7. - T1D11

When may an amateur station transmit without identifying on the air?

Select	Answer
A	When the transmissions are unmodulated
B	When the transmitted power level is below 1 watt
C	When transmitting signals to control model craft
D	When the transmissions are of a brief nature to make station adjustments

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

Select	Answer
A	All licensed amateurs who are present at the operation
B	The control operator and the station licensee
C	Only the station licensee
D	Only the control operator

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	The control operator of the originating station
B	Both the originating station and the repeater owner
C	The control operator of the repeater
D	The owner of the repeater

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	The repeater call sign followed by the station’s call sign
B	The station’s call sign followed by the word “monitoring”
C	“CQ CQ” followed by the repeater’s call sign
D	“QSY” followed by your call sign

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Mute the receiver audio when a signal is not present
B	Reduce interference from impulse noise
C	Eliminate parasitic oscillations in an RF amplifier
D	Reduce a CW transmitter's key clicks

12. - T2C11

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

Select	Answer
A	The number of words or word equivalents in the text portion of the message
B	The call sign of the originating station
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. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Try to find a path that reflects signals to the repeater
B	Increase the antenna SWR
C	Try the long path
D	Change from vertical to horizontal polarization

14. - T3B01

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

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

15. - T3C03

What is a characteristic of VHF signals received via auroral backscatter?

Select	Answer
A	They occur only during winter nighttime hours
B	They are distorted and signal strength varies considerably
C	They are often received from 10,000 miles or more
D	They are generally strongest when your antenna is aimed west

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

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

Select	Answer
A	By activating automatic identification
B	By retrieving the frequencies from transceiver memory
C	By enabling the group’s CTCSS tone
D	By entering the group’s identification code

18. - T5A12

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

Select	Answer
A	Pulse rate
B	Speed
C	Frequency
D	Wavelength

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The coulomb
B	The ohm
C	The volt
D	The ampere

21. - T5D10

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

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

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	All these choices are correct
B	Fuse
C	Varactor
D	Thyratron

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Anode and cathode
B	Source and drain
C	Gate and base
D	Plus and minus

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Resistor
B	Transistor
C	Indicator lamp
D	Connector

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Convert electrical energy into radio waves
B	Supply electrical energy
C	Control the flow of current
D	Give off light when current flows through it

26. - T7A03

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

Select	Answer
A	Amplifier
B	Phase splitter
C	Mixer
D	Inverter

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Let the transceiver cool off
B	Talk farther away from the microphone
C	Talk louder into the microphone
D	Change to a higher power level

28. - T7C03

What does a dummy load consist of?

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

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Steady full-scale reading
B	Decreasing resistance with time
C	Alternating between open and short circuit
D	Increasing resistance with time

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	About 3 MHz
B	More than 10 MHz
C	About 6 MHz
D	About 1 MHz

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite operates using ultraviolet frequencies
B	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
C	The satellite frequencies are usually variable
D	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band

32. - T8C01

Which of the following methods is used to locate sources of noise interference or jamming?

Select	Answer
A	Phase locking
B	Doppler radar
C	Radio direction finding
D	Echolocation

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	GPS position data
B	Text messages
C	All these choices are correct
D	Weather data

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

Select	Answer
A	Signal strength is reduced due to the shielding effect of the vehicle
B	All these choices are correct
C	The bandwidth of the antenna will decrease, increasing SWR
D	The SWR might decrease, decreasing the signal strength

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	50-ohm flexible coax
B	Air-insulated hardline
C	Multi-conductor unbalanced cable
D	75-ohm flexible coax

Figure T-1