US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Anonymous User

US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Logging in (or registering) will help the system to select questions that you need to focus on.

1. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	All these choices are correct
B	It may cause involuntary muscle contractions
C	It may disrupt the electrical functions of cells
D	It may cause injury by heating tissue

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

Select	Answer
A	Wires must be carefully routed with precise right-angle bends
B	Sharp bends must be avoided
C	Use only non-insulated wire
D	Common grounds must be avoided

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
B	RF radiation is limited in range to a few feet
C	RF radiation is perfectly safe
D	RF radiation can only be detected with an RF dosimeter

4. - T1A10

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

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

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

Select	Answer
A	28.100 MHz to 28.300 MHz
B	28.050 MHz to 28.150 MHz
C	28.500 MHz to 28.600 MHz
D	28.300 MHz to 28.500 MHz

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur who has been licensed continuously for more than 10 years
B	Only a licensed amateur with an Amateur Extra Class license
C	Any licensed amateur
D	Only a licensed amateur with a General or Amateur Extra Class license

7. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

Select	Answer
A	When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
B	When no profit is made on the sale
C	Never
D	When selling amateur radio equipment and not on a regular basis

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The station custodian
B	The person operating the station equipment
C	The third party participant
D	The station licensee

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	The trustee must have an Amateur Extra Class operator license grant
C	The club must have at least four members
D	All these choices are correct

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit a signal report followed by your call sign
B	Transmit "CQ" followed by the other station’s call sign
C	Transmit your call sign followed by the other station’s call sign
D	Transmit the other station’s call sign followed by your call sign

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 frequency pair to use
C	Defines the minimum signal level required for access
D	Identifies the codec used

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	Passing messages exactly as received
B	Ensuring that any newsworthy messages are relayed to the news media
C	Making decisions as to whether messages are worthy of relay or delivery
D	All these choices are correct

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	Transmission rates must be decreased by a factor equal to the number of separate paths observed
B	No significant changes will occur if the signals are transmitted using FM
C	Error rates are likely to increase
D	Transmission rates must be increased by a factor equal to the number of separate paths observed

14. - T3B11

What is the approximate velocity of a radio wave in free space?

Select	Answer
A	300,000,000 miles per hour
B	300,000,000 meters per second
C	150,000 miles per hour
D	150,000 meters per second

15. - T3C07

What band is best suited for communicating via meteor scatter?

Select	Answer
A	70 centimeters
B	6 meters
C	33 centimeters
D	2 meters

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	At the power supply output
B	In parallel with the push-to-talk line and the antenna
C	In the feed line, between the transmitter and antenna
D	In the power supply cable, as close as possible to the radio

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	2400 Hz
B	500 Hz
C	1000 Hz
D	5000 Hz

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Volts
B	Amperes
C	Watt-hours
D	Watts

19. - T5B10

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

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

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	khz
B	khZ
C	KHZ
D	kHz

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. - T6A09

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

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

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Resistor
B	Fuse
C	Driven element
D	Diode

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Light emitting diode
B	Inductor
C	Regulator IC
D	Resistor

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To prevent coupling of unwanted signals to or from the wire
B	To decrease the resistance of DC power connections
C	To increase the current carrying capability of the wire
D	To couple the wire to other signals

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for converting receiver and transmitter frequencies to another band
B	A device for matching feed line impedance to 50 ohms
C	A device for automatically sending and decoding Morse code
D	A device that combines a receiver and transmitter

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Add a high-pass filter to the TV antenna input
B	Add a preamplifier to the TV antenna input
C	Be sure all TV feed line coaxial connectors are installed properly
D	Add a low-pass filter to the TV antenna input

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Loss of -4 dB
B	Gain of +4 dB
C	Good impedance match
D	Impedance mismatch

29. - T7D10

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

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

30. - T8A05

Which of the following types of signal has the narrowest bandwidth?

Select	Answer
A	Slow-scan TV
B	FM voice
C	SSB voice
D	CW

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

Select	Answer
A	Possibility of commanding the satellite to an improper mode
B	Possibility of rebooting the satellite control computer
C	Blocking access by other users
D	Overloading the satellite batteries

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	Register your call sign and provide proof of license
B	Complete the required EchoLink training
C	Purchase a license to use the EchoLink software
D	All these choices are correct

33. - T8D09

What is CW?

Select	Answer
A	A type of electromagnetic propagation
B	A digital mode used primarily on 2 meter FM
C	Another name for a Morse code transmission
D	A technique for coil winding

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	It is mechanically fragile
B	It transmits only circularly polarized signals
C	It has low efficiency
D	All these choices are correct

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	A measure of how well a load is matched to a transmission line
B	The ratio of amplifier power output to input
C	The transmitter efficiency ratio
D	An indication of the quality of your station’s ground connection

Figure T-2