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Technician's Course Practice Test #1
Technician Class Written Examination - Element 2
To pass this exam you must correctly answer 26 of the 35 questions
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When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?
*
1 point
When using a club station whose trustee holds an Amateur Extra Class license
As part of a multi-operator contest team
When designated as the control operator by an Amateur Extra Class licensee
At no time
What is a “talkgroup” on a DMR repeater?
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1 point
A net that meets at a specified time
A group of operators sharing common interests
A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together
A way for groups of users to share a channel at different times without hearing other users on thechannel
What is the most common impedance of coaxial cables used in amateur radio?
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1 point
50 ohms
600 ohms
8 ohms
12 ohms
Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?
*
1 point
PM
DRM
SSB
FM
Which of the following is a reason to use shielded wire?
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1 point
To increase the current carrying capability of the wire
To prevent coupling of unwanted signals to or from the wire
To decrease the resistance of DC power connections
To couple the wire to other signals
What is the electrical term for the force that causes electron flow?
*
1 point
Inductance
Capacitance
Voltage
Ampere-hours
What does the abbreviation "PSK" mean?
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1 point
Packet Short Keying
Pulse Shift Keying
Phase Shift Keying
Phased Slide Keying
What telemetry information is typically transmitted by satellite beacons?
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1 point
Health and status of the satellite
The signal strength of received signals
Time of day accurate to plus or minus 1/10 second
All these choices are correct
Which of the following is a disadvantage of FM compared with single sideband?
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1 point
Voice quality is poorer
All these choices are correct
Only one signal can be received at a time
FM signals are harder to tune
Which of the following can provide power gain?
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1 point
Resistor
Reactor
Transistor
Transformer
If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?
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1 point
No, you must wait until the license has been renewed
Yes, as soon as you apply for renewal
Yes, for up to one year
Yes, for up to two years
What happens to power lost in a feed line?
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1 point
It is radiated as harmonics
It distorts the signal
It increases the SWR
It is converted into heat
What is generally the best time for long-distance 10 meter band propagation via the F region?
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1 point
From dawn to shortly after sunset during periods of low sunspot activity
From dawn to shortly after sunset during periods of high sunspot activity
From shortly after sunset to dawn during periods of high sunspot activity
From shortly after sunset to dawn during periods of low sunspot activity
Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?
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1 point
By calculation based on computer modeling
By measurement of field strength using calibrated equipment
By calculation based on FCC OET Bulletin 65
All these choices are correct
What is Voice Over Internet Protocol (VoIP)?
*
1 point
A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
A method of delivering voice communications over the internet using digital techniques
A technique employed to “spot” DX stations via the internet
A set of rules specifying how to identify your station when linked over the internet to another station
What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?
*
1 point
All these choices are correct
Your transmitter is slightly off frequency
You are in a bad location
Your batteries are running low
Which of the following is true when installing grounding conductors used for lightning protection?
*
1 point
Common grounds must be avoided
Sharp bends must be avoided
Wires must be carefully routed with precise right-angle bends
Use only non-insulated wire
Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?
*
1 point
VHF ionospheric propagation is very sensitive to path length
The signal path encounters different concentrations of water vapor
Multipath propagation cancels or reinforces signals
All these choices are correct
What frequency range is referred to as HF?
*
2 points
3 to 30 MHz
300 to 3000 MHz
300 to 3000 kHz
30 to 300 MHz
Which of the following components can consist of three regions of semiconductor material?
*
1 point
Triode
Transistor
Alternator
Pentagrid converter
In addition to frequency, which of the following is used to identify amateur radio bands?
*
1 point
Channel numbers
Traditional letter/number designators
All these choices are correct
The approximate wavelength in meters
What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?
*
1 point
The ITU maintains a list of words that are not permitted to be used on amateur frequencies
The FCC maintains a list of words that are not permitted to be used on amateur frequencies
There is no such prohibition
Any such language is prohibited
When configured to measure current, how is a multimeter connected to a component?
*
1 point
In series
In phase
In quadrature
In parallel
What is the function of component 2 in figure T-1?
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1 point
Give off light when current flows through it
Control the flow of current
Convert electrical energy into radio waves
Supply electrical energy
What is the FCC Part 97 definition of a space station?
*
1 point
An amateur station using amateur radio satellites for relay of signals
A manned satellite orbiting Earth
An amateur station located more than 50 km above Earth's surface
Any satellite orbiting Earth
Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?
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1 point
Computer “line in” to transceiver push-to-talk
Computer “line in” to transceiver speaker connector
Computer “line out” to transceiver speaker connector
Computer “line out” to transceiver push-to-talk
What should be done to all external ground rods or earth connections?
*
1 point
Bond them together with heavy wire or conductive strap
Waterproof them with silicone caulk or electrical tape
Keep them as far apart as possible
Tune them for resonance on the lowest frequency of operation
Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?
*
1 point
By calculation based on computer modeling
By calculation based on FCC OET Bulletin 65
By measurement of field strength using calibrated equipment
All these choices are correct
When may an amateur station transmit without identifying on the air?
*
1 point
When the transmitted power level is below 1 watt
When the transmissions are of a brief nature to make station adjustments
When the transmissions are unmodulated
When transmitting signals to control model craft
What is a grid locator?
*
1 point
A letter-number designator assigned to a geographic location
A letter-number designator assigned to an azimuth and elevation
An instrument for neutralizing a final amplifier
An instrument for radio direction finding
Which frequency is in the 6 meter amateur band?
*
1 point
49.00 MHz
52.525 MHz
222.15 MHz
28.50 MHz
What is the function of a transceiver’s PTT input?
*
1 point
Input for a preamplifier tuning tone
Switches transceiver from receive to transmit when grounded
Provides a transmit tuning tone when grounded
Input for a key used to send CW
Which of the following describes combining speech with an RF carrier signal?
*
1 point
Low-pass filtering
Oscillation
Impedance matching
Modulation
What does an SWR reading of 4:1 indicate?
*
1 point
Good impedance match
Gain of +4 dB
Impedance mismatch
Loss of -4 dB
What frequency range is referred to as HF?
*
1 point
30 to 300 MHz
3 to 30 MHz
300 to 3000 kHz
300 to 3000 MHz
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