US Amateur Radio - Technician (Element 2, 2014-2018) Practice Test

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US Amateur Radio - Technician (Element 2, 2014-2018) Practice Test

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1. - T1A11

When is willful interference to other amateur radio stations permitted?

Select	Answer
A	At any time, amateurs are not protected from willful interference
B	Only during a contest
C	At no time
D	Only if the station being interfered with is expressing extreme religious or political views

2. - T1B03

Which frequency is within the 6 meter band?

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

3. - T1C05

Which of the following is a vanity call sign which a technician class amateur operator might select if available?

Select	Answer
A	W1XX
B	All of these choices are correct
C	KA1X
D	K1XXX

4. - T1D04

What is the only time an amateur station is authorized to transmit music?

Select	Answer
A	When the music produces no spurious emissions
B	When incidental to an authorized retransmission of manned spacecraft communications
C	When the purpose is to interfere with an illegal transmission
D	When the music is transmitted above 1280 MHz

5. - T1E06

Under what type of control do APRS network digipeaters operate?

Select	Answer
A	Local
B	Remote
C	Manual
D	Automatic

6. - T1F01

What type of identification is being used when identifying a station on the air as Race Headquarters?

Select	Answer
A	SSID
B	Broadcast station
C	Tactical call sign
D	An official call sign reserved for RACES drills

7. - 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	Say the station's call sign then identify with your call sign
B	Say break, break then say the station's call sign
C	Say CQ three times then the other station's call sign
D	Wait for the station to call CQ then answer it

8. - T2B09

Which of the following methods is encouraged by the FCC when identifying your station when using phone?

Select	Answer
A	Use of a phonetic alphabet
B	Send your call sign in CW as well as voice
C	Repeat your call sign three times
D	Increase your signal to full power when identifying

9. - T2C07

Which of the following is an accepted practice for an amateur operator who has checked into an emergency traffic net?

Select	Answer
A	Provided that the frequency is quiet, announce the station call sign and location every 5 minutes
B	All of the choices are correct
C	Move 5 kHz away from the net's frequency and use high power to ask other hams to keep clear of the net frequency
D	Remain on frequency without transmitting until asked to do so by the net control station

10. - T3A02

Why are UHF signals often more effective from inside buildings than VHF signals?

Select	Answer
A	The shorter wavelength allows them to more easily penetrate the structure of buildings
B	This is incorrect; VHF works better than UHF inside buildings
C	VHF signals lose power faster over distance
D	UHF antennas are more efficient than VHF antennas

11. - T3B07

What property of radio waves is often used to identify the different frequency bands?

Select	Answer
A	The magnetic intensity of waves
B	The approximate wavelength
C	The time it takes for waves to travel one mile
D	The voltage standing wave ratio of waves

12. - T3C12

Which of the following bands may provide long distance communications during the peak of the sunspot cycle?

Select	Answer
A	23 centimeters
B	70 centimeters or 1.25 meters
C	All of these choices are correct
D	Six or ten meters

13. - T4A01

Which of the following is true concerning the microphone connectors on amateur transceivers?

Select	Answer
A	Un-keyed connectors allow any microphone to be connected
B	All transceivers using the same connector type are wired identically
C	Some connectors include push-to-talk and voltages for powering the microphone
D	All transceivers use the same microphone connector type

14. - T4B03

What is the purpose of the squelch control on a transceiver?

Select	Answer
A	To set the highest level of volume desired
B	To adjust the automatic gain control
C	To set the transmitter power level
D	To mute receiver output noise when no signal is being received

15. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Amperes
B	Watts
C	Ohms
D	Volts

16. - T5B12

Which of the following frequencies is equal to 28,400 kHz?

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

17. - T5C07

What is a usual name for electromagnetic waves that travel through space?

Select	Answer
A	Radio waves
B	Pressure waves
C	Sound waves
D	Gravity waves

18. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	0.2 volts
B	20 volts
C	8 volts
D	12 volts

19. - T6A05

What type of electrical component consists of two or more conductive surfaces separated by an insulator?

Select	Answer
A	Potentiometer
B	Resistor
C	Capacitor
D	Oscillator

20. - T6B01

What class of electronic components is capable of using a voltage or current signal to control current flow?

Select	Answer
A	Inductors
B	Transistors
C	Capacitors
D	Resistors

21. - T6C02

What is component 1 in figure T1?

Select	Answer
A	Connector
B	Transistor
C	Resistor
D	Battery

22. - T6D03

What type of switch is represented by component 3 in figure T2?

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

23. - T7A07

What is meant by term PTT?

Select	Answer
A	The push to talk function which switches between receive and transmit
B	A primary transformer tuner use to match antennas
C	Precise tone transmissions used to limit repeater access to only certain signals
D	Pre-transmission tuning to reduce transmitter harmonic emission

24. - T7B04

Which of the following is a way to reduce or eliminate interference by an amateur transmitter to a nearby telephone?

Select	Answer
A	Reduce the SWR on the transmitter transmission line
B	Reduce the microphone gain
C	Put a RF filter on the telephone
D	Put a filter on the amateur transmitter

25. - 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 for VHF or UHF antennas
B	It cannot be used at below freezing temperatures
C	It has more loss per foot
D	It requires special techniques to prevent water absorption

26. - T7D05

What instrument is used to measure resistance?

Select	Answer
A	A spectrum analyzer
B	An oscilloscope
C	A noise bridge
D	An ohmmeter

27. - T8A03

Which type of voice mode is most often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	PM
B	DRM
C	FM
D	SSB

28. - T8B04

Which amateur stations may make contact with an amateur station on the International Space Station using 2 meter and 70 cm band amateur radio frequencies?

Select	Answer
A	Only members of amateur radio clubs at NASA facilities
B	You cannot talk to the ISS on amateur radio frequencies
C	Any amateur holding a Technician or higher class license
D	Only the astronaut's family members who are hams

29. - T8C07

What is the maximum power allowed when transmitting telecommand signals to radio controlled models?

Select	Answer
A	500 milliwatts
B	1500 watts
C	25 watts
D	1 watt

30. - T8D06

What does the abbreviation PSK mean?

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

31. - T9A03

Which of the following describes a simple dipole mounted so the conductor is parallel to the Earth's surface?

Select	Answer
A	A ground wave antenna
B	A vertically polarized antenna
C	A horizontally polarized antenna
D	A rhombic antenna

32. - T9B06

Which of the following connectors is most suitable for frequencies above 400 MHz?

Select	Answer
A	A UHF (PL-259/SO-239) connector
B	A DB-25 connector
C	A Type N connector
D	An RS-213 connector

33. - T0A07

Which of these precautions should be taken when installing devices for lightning protection in a coaxial cable feed line?

Select	Answer
A	Include a parallel bypass switch for each protector so that it can be switched out of the circuit when running high power
B	Ground all of the protectors to a common plate which is in turn connected to an external ground
C	Include a series switch in the ground line of each protector to prevent RF overload from inadvertently damaging the protector
D	Keep the ground wires from each protector separate and connected to station ground

34. - T0B01

When should members of a tower work team wear a hard hat and safety glasses?

Select	Answer
A	At all times except when climbing the tower
B	Only when the tower exceeds 30 feet in height
C	At all times when any work is being done on the tower
D	At all times except when belted firmly to the tower

35. - T0C12

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

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

Figure T1

Figure T2