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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	All these choices are correct
B	The power supply ripple would greatly increase
C	The larger fuse would be likely to blow because it is rated for higher current
D	Excessive current could cause a fire

2. - T0B08

Which is a proper grounding method for a tower?

Select	Answer
A	Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
B	A connection between the tower base and a cold water pipe
C	A ferrite-core RF choke connected between the tower and ground
D	A single four-foot ground rod, driven into the ground no more than 12 inches from the base

3. - T0C04

What factors affect the RF exposure of people near an amateur station antenna?

Select	Answer
A	Radiation pattern of the antenna
B	All these choices are correct
C	Distance from the antenna to a person
D	Frequency and power level of the RF field

4. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

Select	Answer
A	All these choices are correct
B	A radio service using amateur stations for emergency management or civil defense communications
C	A radio service using amateur frequencies for emergency management or civil defense communications
D	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization

5. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

Select	Answer
A	Spread spectrum only
B	Fast-scan television only
C	Fixed digital message forwarding systems only
D	Emergency traffic only

6. - T1C06

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

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

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

Select	Answer
A	When the communication is incidental to classroom instruction at an educational institution
B	When the communication is related to the sale of amateur equipment by the control operator's employer
C	When the communication is made to obtain emergency information for a local broadcast station
D	All these choices are correct

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	The control operator must indirectly manipulate the controls
B	The control operator must be at the control point
C	A control operator is required at all times
D	All these choices are correct

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

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	All these choices are correct
B	Conduct tests only between 10 p.m. and 6 a.m. local time
C	Notify the FCC of the transmissions
D	Identify the transmitting station

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To listen on a repeater’s input frequency
B	To increase power output
C	To listen on a repeater’s output frequency
D	To reduce power output

12. - T2C06

What is the Amateur Radio Emergency Service (ARES)?

Select	Answer
A	A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
B	A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
C	A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
D	A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

Select	Answer
A	Deflection
B	Range increase
C	Absorption
D	There is little effect

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	3 to 30 MHz
B	300 to 3000 kHz
C	300 to 3000 MHz
D	30 to 300 MHz

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Updrafts from hurricanes and tornadoes
B	Temperature inversions in the atmosphere
C	Sunspots and solar flares
D	Discharges of lightning during electrical storms

16. - T4A09

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

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

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	The codec for digitizing audio
B	The DMR software version
C	Your call sign in CW for automatic identification
D	Access information for repeaters and talkgroups

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Siemens
B	Coulombs
C	Ohms
D	Mhos

19. - T5B10

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

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

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Capacitance
B	Admittance
C	Resistance
D	Inductance

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	2 amperes
B	0.5 amperes
C	100 amperes
D	20,000 amperes

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Varistor
B	Diode
C	Capacitor
D	Inductor

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Reactor
B	Resistor
C	Transistor
D	Transformer

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Ground symbol
B	Battery
C	Resistor
D	Transistor

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Relay
B	Meter
C	Transistor
D	Potentiometer

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	Phase converter
B	Low-pass filter
C	High-pass filter
D	Transverter

27. - T7B01

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

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

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It cannot be used at below freezing temperatures
B	It has more loss per foot
C	It requires special techniques to prevent moisture in the cable
D	It cannot be used for VHF or UHF antennas

29. - T7D08

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

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

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Spread spectrum
B	Phase shift keying (PSK)
C	Single sideband
D	Packet radio

31. - T8B09

What causes spin fading of satellite signals?

Select	Answer
A	Rotation of the satellite and its antennas
B	Doppler shift of the received signal
C	Circular polarized noise interference radiated from the sun
D	Interfering signals within the satellite uplink band

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By using CTCSS tone codes
B	By entering the proper internet password
C	By obtaining a password that is sent via voice to the node
D	By using DTMF signals

33. - T8D03

What kind of data can be transmitted by APRS?

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

34. - T9A10

In which direction does a half-wave dipole antenna radiate the strongest signal?

Select	Answer
A	Equally in all directions
B	Broadside to the antenna
C	In the direction of the feed line
D	Off the ends of the antenna

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	All these choices are correct
B	High SWR
C	Multiple connectors in the line
D	Water intrusion into coaxial connectors

Figure T-1