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. - T1A07

What is the FCC Part 97 definition of telemetry?

Select	Answer
A	An information bulletin from a VEC
B	A one-way transmission to initiate, modify or terminate functions of a device at a distance
C	A one-way transmission of measurements at a distance from the measuring instrument
D	An information bulletin issued by the FCC

2. - T1B05

Which 70 cm frequency is authorized to a Technician Class license holder operating in ITU Region 2?

Select	Answer
A	53.350 MHz
B	443.350 MHz
C	222.520 MHz
D	146.520 MHz

3. - T1C09

What is the grace period following the expiration of an amateur license within which the license may be renewed?

Select	Answer
A	Two years
B	Five years
C	Ten years
D	Three years

4. - T1D02

On which of the following occasions may an FCC-licensed amateur station exchange messages with a U.S. military station?

Select	Answer
A	During a propagation test
B	During a Memorial Day Celebration
C	During an Armed Forces Day Communications Test
D	During an Independence Day celebration

5. - T1E12

When, under normal circumstances, may a Technician Class licensee be the control operator of a station operating in an exclusive Extra Class operator segment of the amateur bands?

Select	Answer
A	When operating a special event station
B	At no time
C	As part of a multi-operator contest team
D	When using a club station whose trustee is an Extra Class operator licensee

6. - T1F13

When must the station licensee make the station and its records available for FCC inspection?

Select	Answer
A	At any time upon request by an FCC representative
B	At any time ten days after notification by the FCC of such an inspection
C	Only after failing to comply with an FCC notice of violation
D	Only when presented with a valid warrant by an FCC official or government agent

7. - T2A06

What must an amateur operator do when making on-air transmissions to test equipment or antennas?

Select	Answer
A	Make test transmissions only after 10:00 p.m. local time
B	State the purpose of the test during the test procedure
C	Notify the FCC of the test transmission
D	Properly identify the transmitting station

8. - T2B12

Under what circumstances should you consider communicating via simplex rather than a repeater?

Select	Answer
A	When the stations can communicate directly without using a repeater
B	Only when third party traffic is not being passed
C	Only if you have simplex modulation capability
D	Only when you have an endorsement for simplex operation on your license

9. - T2C10

What is the preamble in a formal traffic message?

Select	Answer
A	The first paragraph of the message text
B	The priority handling indicator for the message
C	The information needed to track the message as it passes through the amateur radio traffic handling system
D	The message number

10. - T3A07

What type of wave carries radio signals between transmitting and receiving stations?

Select	Answer
A	Electrostatic
B	Electromagnetic
C	Magnetostrictive
D	Surface acoustic

11. - T3B11

What is the approximate velocity of a radio wave as it travels through free space?

Select	Answer
A	300,000,000 meters per second
B	3000 kilometers per second
C	186,000 miles per hour
D	300,000 miles per hour

12. - T3C11

Why do VHF and UHF radio signals usually travel somewhat farther than the visual line of sight distance between two stations?

Select	Answer
A	Radio signals move somewhat faster than the speed of light
B	Radio waves are not blocked by dust particles
C	Radio waves are blocked by dust particles
D	The Earth seems less curved to radio waves than to light

13. - T4A09

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

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

14. - T4B01

What may happen if a transmitter is operated with the microphone gain set too high?

Select	Answer
A	The output power might be too high
B	The SWR might increase
C	The output signal might become distorted
D	The frequency might vary

15. - T5A03

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

Select	Answer
A	Resistance
B	Capacitance
C	Current
D	Voltage

16. - T5B13

If a frequency readout shows a reading of 2425 MHz, what frequency is that in GHz?

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

17. - T5C06

What does the abbreviation RF refer to?

Select	Answer
A	The real frequency transmitted as opposed to the apparent frequency
B	Radio frequency signals of all types
C	The resonant frequency of a tuned circuit
D	Reflective force in antenna transmission lines

18. - T5D09

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

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

19. - T6A01

What electrical component is used to oppose the flow of current in a DC circuit?

Select	Answer
A	Resistor
B	Inductor
C	Voltmeter
D	Transformer

20. - T6B10

What are the three electrodes of a PNP or NPN transistor?

Select	Answer
A	Cathode, grid, and plate
B	Source, gate, and drain
C	Cathode, drift cavity, and collector
D	Emitter, base, and collector

21. - T6C02

What is component 1 in figure T1?

Select	Answer
A	Battery
B	Transistor
C	Resistor
D	Connector

22. - T6D03

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

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

23. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Selectivity
B	Sensitivity
C	Total Harmonic Distortion
D	Linearity

24. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Change to a higher power level
B	Talk louder into the microphone
C	Let the transceiver cool off
D	Talk farther away from the microphone

25. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To prevent over-modulation of your transmitter
B	To improve the radiation from your antenna
C	To prevent the radiation of signals when making tests
D	To improve the signal to noise ratio of your receiver

26. - T7D06

Which of the following might damage a multimeter?

Select	Answer
A	Attempting to measure voltage when using the resistance setting
B	Not allowing it to warm up properly
C	Measuring a voltage too small for the chosen scale
D	Leaving the meter in the milliamps position overnight

27. - T8A10

What is the typical bandwidth of analog fast-scan TV transmissions on the 70 cm band?

Select	Answer
A	More than 10 MHz
B	About 1 MHz
C	About 3 MHz
D	About 6 MHz

28. - T8B06

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

Select	Answer
A	All of these answers are correct
B	The weight of the satellite
C	The last observed time of zero Doppler shift
D	The Keplerian elements

29. - T8C03

What popular operating activity involves contacting as many stations as possible during a specified period of time?

Select	Answer
A	Public service events
B	Simulated emergency exercises
C	Contesting
D	Net operations

30. - T8D07

What is PSK31?

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

31. - T9A06

What type of antennas are the quad, Yagi, and dish?

Select	Answer
A	Directional antennas
B	Loop antennas
C	Non-resonant antennas
D	Isotropic antennas

32. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	Air-insulated hard line
B	Multi-conductor unbalanced cable
C	75-ohm flexible coax
D	50-ohm flexible coax

33. - T0A05

Why is it unwise to install a 20-ampere fuse in the place of a 5-ampere fuse?

Select	Answer
A	Excessive current could cause a fire
B	All of these choices are correct
C	The larger fuse would be likely to blow because it is rated for higher current
D	The power supply ripple would greatly increase

34. - T0B09

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

Select	Answer
A	All of these choices are correct
B	The antenna could contact high-voltage power wires
C	The antenna will not work properly because of induced voltages
D	The utility company will charge you an extra monthly fee

35. - T0C02

Which of the following frequencies has the lowest value for Maximum Permissible Exposure limit?

Select	Answer
A	3.5 MHz
B	440 MHz
C	1296 MHz
D	50 MHz

Figure T1

Figure T2