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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Inverse memory effect
B	Overheating or out-gassing
C	Excess output ripple
D	Half-wave rectification

2. - T0B09

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

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

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	Electrocution
B	Radiation poisoning
C	RF burn to skin
D	All these choices are correct

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. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	49.00 MHz
B	28.50 MHz
C	52.525 MHz
D	222.15 MHz

6. - T1C04

What may happen if the FCC is unable to reach you by email?

Select	Answer
A	Nothing; there is no such requirement
B	Revocation of the station license or suspension of the operator license
C	Fine and suspension of operator license
D	Revocation of access to the license record in the FCC system

7. - T1D10

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

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

8. - T1E09

Which of the following are required for remote control operation?

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

9. - T1F10

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

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

10. - T2A04

What is an appropriate way to call another station on a repeater if you know the other station's call sign?

Select	Answer
A	Wait for the station to call CQ, then answer
B	Say "CQ" three times, then the other station's call sign
C	Say "break, break," then say the station's call sign
D	Say the station's call sign, then identify with your call sign

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	GPRS
B	DTMF
C	CTCSS
D	D-STAR

12. - T2C04

What is RACES?

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

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	Signals have an echo effect
B	Received signal strength is reduced
C	The modulation sidebands might become inverted
D	Nothing significant will happen

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

Select	Answer
A	From shortly after sunset to dawn during periods of high sunspot activity
B	From shortly after sunset to dawn during periods of low sunspot activity
C	From dawn to shortly after sunset during periods of low sunspot activity
D	From dawn to shortly after sunset during periods of high sunspot activity

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

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Enable squelch enhancement
B	Turn up the audio level until it overcomes the squelch threshold
C	Turn on the anti-squelch function
D	Set the squelch threshold so that receiver output audio is on all the time

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Glass
B	Aluminum
C	Copper
D	Mercury

19. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	28.400 kHz
B	284.00 MHz
C	2.800 MHz
D	28.400 MHz

20. - T5C01

What describes the ability to store energy in an electric field?

Select	Answer
A	Tolerance
B	Resistance
C	Capacitance
D	Inductance

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

Select	Answer
A	13.5 ohms
B	8 ohms
C	18 ohms
D	0.125 ohms

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Single-pole single-throw
B	Single-pole double-throw
C	Double-pole single-throw
D	Double-pole double-throw

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Alternator
B	Pentagrid converter
C	Transistor
D	Triode

24. - T6C12

Which of the following is accurately represented in electrical schematics?

Select	Answer
A	Physical appearance of components
B	Component connections
C	All these choices are correct
D	Wire lengths

25. - T6D04

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

Select	Answer
A	Relay
B	Potentiometer
C	Meter
D	Transistor

26. - T7A07

What is the function of a transceiver’s PTT input?

Select	Answer
A	Switches transceiver from receive to transmit when grounded
B	Input for a preamplifier tuning tone
C	Input for a key used to send CW
D	Provides a transmit tuning tone when grounded

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Ferrite choke
B	Low-pass filter
C	Band-pass filter
D	Preamplifier

28. - T7C03

What does a dummy load consist of?

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

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Attempting to measure voltage when using the resistance setting
B	Attempting to measure resistance using the voltage setting
C	Failing to connect one of the probes to ground
D	Not allowing it to warm up properly

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

Select	Answer
A	AM
B	FM or PM
C	SSB
D	PSK

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	The Keplerian elements
B	The last observed time of zero Doppler shift
C	All these choices are correct
D	The satellite transmitted power

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

Select	Answer
A	A technique employed to “spot” DX stations via the internet
B	A method of delivering voice communications over the internet using digital techniques
C	A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
D	A set of rules specifying how to identify your station when linked over the internet to another station

33. - T8D04

What type of transmission is indicated by the term "NTSC?"

Select	Answer
A	A special mode for satellite uplink
B	An analog fast-scan color TV signal
C	A frame compression scheme for TV signals
D	A Normal Transmission mode in Static Circuit

34. - T9A06

Which of the following types of antenna offers the greatest gain?

Select	Answer
A	J pole
B	Yagi
C	5/8 wave vertical
D	Isotropic

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-58 cable has two shields
B	There is no significant difference between the two types
C	RG-58 cable can handle higher power levels
D	RG-213 cable has less loss at a given frequency

Figure T-2