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. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

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

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	Wear a ground strap connected to your wrist at all times
B	All these choices are correct
C	Insulate the base of the tower to avoid lightning strikes
D	Look for and stay clear of any overhead electrical wires

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

Select	Answer
A	The percentage of time that a transmitter is not transmitting
B	The difference between the lowest power output and the highest power output of a transmitter
C	The percentage of time that a transmitter is transmitting
D	The difference between the PEP and average power output of a transmitter

4. - T1A10

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

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

5. - T1B04

Which amateur band includes 146.52 MHz?

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

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Ten years
B	Life
C	Eight years
D	Five years

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Any transmission made by the licensed station
B	Transmissions intended for reception by the general public
C	Two-way transmissions by amateur stations
D	Transmission of messages directed only to amateur operators

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

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. - T2A12

What should you do before calling CQ?

Select	Answer
A	All these choices are correct
B	Ask if the frequency is in use
C	Listen first to be sure that no one else is using the frequency
D	Make sure you are authorized to use that frequency

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QRN
B	QTH
C	QRM
D	QSB

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	When operating under special FEMA rules
B	When operating a RACES station
C	FCC rules always apply
D	When operating under special ARES rules

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

Select	Answer
A	Vertical
B	Left-hand circular
C	Right-hand circular
D	Horizontal

14. - T3B09

What frequency range is referred to as UHF?

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

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	Backscatter
B	D region absorption
C	Gray-line propagation
D	Sporadic E

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	NMEA GPS location and DC power
B	Receive and transmit mode, status, and location
C	Antenna and RF power
D	Receive audio, transmit audio, and transmitter keying

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Permits monitoring several modes at once by selecting a separate filter for each mode
B	Permits noise or interference reduction by selecting a bandwidth matching the mode
C	Increases the amount of offset between receive and transmit frequencies
D	Increases the number of frequencies that can be stored in memory

18. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Capacitance
B	Resistance
C	Voltage
D	Current

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	24.25 GHz
B	2425 GHz
C	2.425 GHz
D	0.002425 GHz

20. - T5C12

What is impedance?

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

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	216 amperes
B	0.1 amperes
C	24,000 amperes
D	10 amperes

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Field strength
B	Resistance
C	Inductance
D	Capacitance

23. - T6B02

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

Select	Answer
A	Resistor
B	Diode
C	Fuse
D	Driven element

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Battery
B	Resistor
C	Transistor
D	Connector

25. - T6D04

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

Select	Answer
A	Potentiometer
B	Meter
C	Relay
D	Transistor

26. - T7A10

What device increases the transmitted output power from a transceiver?

Select	Answer
A	An impedance network
B	An RF power amplifier
C	A voltage divider
D	All these choices are correct

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	All these choices are correct
B	Work with your neighbor to identify the offending device
C	Make sure your station meets the standards of good amateur practice
D	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference

28. - T7C09

Which of the following causes failure of coaxial cables?

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

29. - T7D04

Which instrument is used to measure electric current?

Select	Answer
A	An electrometer
B	An ohmmeter
C	A voltmeter
D	An ammeter

30. - T8A05

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

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

31. - T8B05

What is a satellite beacon?

Select	Answer
A	A reflective surface on the satellite
B	A transmission from a satellite that contains status information
C	An indicator light that shows where to point your antenna
D	The primary transmit antenna on the satellite

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A gateway
B	A digipeater
C	A beacon
D	A repeater

33. - T8D10

Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

Select	Answer
A	Earth-Moon-Earth
B	Weak signal propagation beacons
C	Meteor scatter
D	All these choices are correct

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	50
B	112
C	12
D	19

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 watertight
D	They are preferred for microwave operation

Figure T-1