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. - T0A07

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

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

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Prevent loosening of the turnbuckle from vibration
B	Provide a ground path for lightning strikes
C	Provide an ability to measure for proper tensioning
D	Secure the guy line if the turnbuckle breaks

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	It increases by a factor of 2
B	It decreases by 50 percent
C	It increases by a factor of 3
D	There is no adjustment allowed for lower duty cycle

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 for each band on which the person plans to operate
C	One
D	No more than two

5. - T1B04

Which amateur band includes 146.52 MHz?

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

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Any communications that would be permitted by an international broadcast station
B	Communications incidental to conducting business or remarks of a personal nature
C	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
D	Only communications incidental to contest exchanges; all other communications are prohibited

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

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. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least once during each transmission
B	At least every 15 minutes during and at the end of a communication
C	At the beginning of each contact, and every 10 minutes thereafter
D	At least every 10 minutes during and at the end of a communication

10. - T2A12

What should you do before calling CQ?

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

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A system of repeaters linked by APRS
B	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network
C	Multiple repeaters with the same control operator
D	A single repeater with more than one receiver

12. - T2C04

What is RACES?

Select	Answer
A	An FCC part 97 amateur radio service for civil defense communications during national emergencies
B	An emergency organization combining amateur radio and citizens band operators and frequencies
C	A radio contest held in a short period, sometimes called a “sprint”
D	An international radio experimentation society

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. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	All these choices are correct
B	Traditional letter/number designators
C	The approximate wavelength in meters
D	Channel numbers

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	D region absorption
D	Backscatter

16. - T4A05

Where should an RF power meter be installed?

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

17. - T4B07

What does a DMR “code plug” contain?

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

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Ampere-hours
B	Voltage
C	Capacitance
D	Inductance

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	3,000,000 amperes
B	3 amperes
C	0.003 amperes
D	0.3 amperes

20. - T5C05

What is the unit of impedance?

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

21. - T5D01

What formula is used to calculate current in a circuit?

Select	Answer
A	I = E / R
B	I = E  R
C	I = E - R
D	I = E + R

22. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Inductor
B	Diode
C	Capacitor
D	Varistor

23. - T6B01

Which is true about forward voltage drop in a diode?

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

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Connector pinout
B	Bill of materials
C	Flow chart
D	Schematic

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	A linear voltage regulator
B	A circuit designed to provide high-fidelity audio
C	An inductor and a capacitor in series or parallel
D	A resistor circuit used for reducing standing wave ratio

26. - T7A03

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

Select	Answer
A	Inverter
B	Amplifier
C	Mixer
D	Phase splitter

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

Select	Answer
A	Reports of garbled, distorted, or unintelligible voice transmissions
B	The transmitter will not stay on the desired frequency
C	Excessive SWR at the antenna connection
D	Frequent blowing of power supply fuses

28. - T7C06

What does an SWR reading of 4:1 indicate?

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

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	Signal strength and noise
B	Voltage and resistance
C	Impedance and reactance
D	All these choices are correct

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Lower sideband
B	Inverted sideband
C	Suppressed sideband
D	Upper sideband

31. - T8B09

What causes spin fading of satellite signals?

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

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	EchoLink
B	IRLP
C	D-STAR
D	DMR

33. - T8D06

What does the abbreviation "PSK" mean?

Select	Answer
A	Pulse Shift Keying
B	Phase Shift Keying
C	Phased Slide Keying
D	Packet Short Keying

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

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It is less expensive than any other type of feed line
B	It is easy to use and requires few special installation considerations
C	It has less loss than any other type of feed line
D	It can handle more power than any other type of feed line