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. - T1A05

Which of the following is a purpose of the Amateur Radio Service rules and regulations as defined by the FCC?

Select	Answer
A	All of these choices are correct
B	Enhancing international goodwill
C	Training of operators in military radio operating procedures
D	Providing inexpensive communication for local emergency organizations

2. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	All of these choices are correct
B	To allow for calibration error in the transmitter frequency display
C	So that modulation sidebands do not extend beyond the band edge
D	To allow for transmitter frequency drift

3. - T1C14

Who may select a vanity call sign for a club station?

Select	Answer
A	Any member of the club
B	Any Extra Class member of the club
C	Only the person named as trustee on the club station license grant
D	Any officer of the club

4. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating the station?

Select	Answer
A	When re-broadcasting weather alerts during a RACES net
B	When notifying other amateur operators of the availability for sale or trade of apparatus
C	When the communication is incidental to classroom instruction at an educational institution
D	When engaging in communications on behalf of their employer

5. - T1E02

Who may a station licensee designate to be the control operator of an amateur station?

Select	Answer
A	Any family member of the station licensee
B	Only a person for whom an amateur operator/primary station license grant appears in the FCC database or who is authorized for alien reciprocal operation
C	Any person over the age of 18
D	Any U.S. citizen or registered alien

6. - T1F12

How many persons are required to be members of a club for a club station license to be issued by the FCC?

Select	Answer
A	At least 2
B	A trustee and 2 officers
C	At least 5
D	At least 4

7. - T2A08

What is the meaning of the procedural signal CQ?

Select	Answer
A	A new antenna is being tested (no station should answer)
B	Calling any station
C	Only the called station should transmit
D	Call on the quarter hour

8. - T2B04

Which of the following common problems might cause you to be able to hear but not access a repeater even when transmitting with the proper offset?

Select	Answer
A	The repeater receiver may require an audio tone burst for access
B	The repeater receiver may require a DCS tone sequence for access
C	The repeater receiver may require a CTCSS tone for access
D	All of these choices are correct

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	Remain on frequency without transmitting until asked to do so by the net control station
B	Provided that the frequency is quiet, announce the station call sign and location every 5 minutes
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	All of the choices are correct

10. - T3A08

Which of the following is a likely cause of irregular fading of signals received by ionospheric reflection?

Select	Answer
A	Intermodulation distortion
B	Interference from thunderstorms
C	Random combining of signals arriving via different paths
D	Frequency shift due to Faraday rotation

11. - T3B01

What is the name for the distance a radio wave travels during one complete cycle?

Select	Answer
A	Wave speed
B	Waveform
C	Wave spread
D	Wavelength

12. - T3C10

What is the radio horizon?

Select	Answer
A	The farthest point you can see when standing at the base of your antenna tower
B	The distance over which two stations can communicate by direct path
C	The shortest distance between two points on the Earth's surface
D	The distance from the ground to a horizontally mounted antenna

13. - T4A06

Which of the following would be connected between a transceiver and computer in a packet radio station?

Select	Answer
A	Antenna
B	Terminal node controller
C	Mixer
D	Transmatch

14. - T4B08

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

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

15. - T5A04

What is the name for a current that flows only in one direction?

Select	Answer
A	Alternating current
B	Normal current
C	Smooth current ~ T5A05 (A) What is the electrical term for the electromotive force (EMF) that causes electron flow? A. Voltage B. Ampere-hours C. Capacitance D. Inductance
D	Direct current

16. - T5B12

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

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

17. - T5C04

What is the basic unit of inductance?

Select	Answer
A	The coulomb
B	The ohm
C	The henry
D	The farad

18. - T5D09

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

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

19. - T6A06

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

Select	Answer
A	Inductor
B	Capacitor
C	Resistor
D	Diode

20. - T6B09

What are the names of the two electrodes of a diode?

Select	Answer
A	Source and drain
B	Anode and cathode
C	Gate and base
D	Plus and minus

21. - T6C11

What is component 4 in figure T3?

Select	Answer
A	Transmitter
B	Antenna
C	Dummy load
D	Ground

22. - T6D04

Which of the following can be used to display signal strength on a numeric scale?

Select	Answer
A	Meter
B	Transistor
C	Relay
D	Potentiometer

23. - T7A03

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

Select	Answer
A	Phase splitter
B	Mixer
C	Amplifier
D	Inverter

24. - T7B05

How can overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Switch the transmitter from FM to SSB
B	Block the interfering signal with a filter on the amateur transmitter
C	Switch the transmitter to a narrow-band mode
D	Block the amateur signal with a filter at the antenna input of the affected receiver

25. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It is converted into heat
B	It can cause distortion of your signal
C	It comes back into your transmitter and could cause damage
D	It increases the SWR

26. - T7D01

Which instrument would you use to measure electric potential or electromotive force?

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

27. - T8A02

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

Select	Answer
A	SSB
B	Spread Spectrum
C	FM
D	AM

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

29. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

Select	Answer
A	A directional antenna
B	A calibrated noise bridge
C	Calibrated SWR meter
D	All of these choices are correct

30. - T8D07

What is PSK31?

Select	Answer
A	A low-rate data transmission mode
B	A method of reducing noise interference to FM signals
C	A high-rate data transmission mode
D	A method of compressing digital television signals

31. - T9A08

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

Select	Answer
A	12
B	19
C	50
D	112

32. - T9B05

What generally happens as the frequency of a signal passing through coaxial cable is increased?

Select	Answer
A	The apparent SWR increases
B	The reflected power increases
C	The loss increases
D	The characteristic impedance increases

33. - T0A03

What is connected to the green wire in a three-wire electrical AC plug?

Select	Answer
A	Safety ground
B	The white wire
C	Neutral
D	Hot

34. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

Select	Answer
A	The height of the power line above ground
B	So that if the antenna falls unexpectedly, no part of it can come closer than 10 feet to the power wires
C	1/2 wavelength at the operating frequency
D	Half the width of your property

35. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It affects the average exposure of people to radiation
B	It takes into account the antenna feed line loss
C	It takes into account the thermal effects of the final amplifier
D	It affects the peak exposure of people to radiation

Figure T3