Ham Technician License Practice Quiz
• Percentage: 0%; Correct: 0; Total: 0 of 35
T0A03: What is connected to the green wire in a three-wire electrical AC plug?
Neutral
Hot
Safety ground
The white wire
T0B05: What is the purpose of a gin pole?
To temporarily replace guy wires
To be used in place of a safety harness
To lift tower sections or antennas
To provide a temporary ground
T0C03: What is the maximum power level that an amateur radio station may use at VHF frequencies before an RF exposure evaluation is required?
1500 watts PEP transmitter output
1 watt forward power
50 watts PEP at the antenna
50 watts PEP reflected power
T1A08: Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?
Frequency Spectrum Manager
Frequency Coordinator
FCC Regional Field Office
International Telecommunications Union
T1B09: Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?
To allow for calibration error in the transmitter frequency display
So that modulation sidebands do not extend beyond the band edge
To allow for transmitter frequency drift
All of these choices are correct
T1C03: What types of international communications are permitted by an FCC-licensed amateur station?
Communications incidental to the purposes of the amateur service and remarks of a personal character
Communications incidental to conducting business or remarks of a personal nature
Only communications incidental to contest exchanges, all other communications are prohibited
Any communications that would be permitted on an international broadcast station
T1D09: Under which of the following circumstances are amateur stations authorized to transmit signals related to broadcasting, program production, or news gathering, assuming no other means is available?
Only where such communications directly relate to the immediate safety of human life or protection of property
Only when broadcasting communications to or from the space shuttle.
Only where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
Only when using amateur repeaters linked to the Internet
T1E01: When must an amateur station have a control operator?
Only when the station is transmitting
Only when the station is being locally controlled
Only when the station is being remotely controlled
Only when the station is being automatically controlled
T1F01: What type of identification is being used when identifying a station on the air as 'Race Headquarters'?
Tactical call
Self-assigned designator
SSID
Broadcast station
T2A07: Which of the following is true when making a test transmission?
Station identification is not required if the transmission is less than 15 seconds
Station identification is not required if the transmission is less than 1 watt
Station identification is required only if your station can be heard
Station identification is required at least every ten minutes during the test and at the end
T2B02: What is the term used to describe the use of a sub-audible tone transmitted with normal voice audio to open the squelch of a receiver?
Carrier squelch
Tone burst
DTMF
CTCSS
T2C09: When may an amateur station use any means of radio communications at its disposal for essential communications in connection with immediate safety of human life and protection of property?
Only when FEMA authorizes it by declaring an emergency
When normal communications systems are not available
Only when RACES authorizes it by declaring an emergency
Only when authorized by the local MARS program director
T3A05: When using a directional antenna, how might your station be able to access a distant repeater if buildings or obstructions are blocking the direct line of sight path?
Change from vertical to horizontal polarization
Try to find a path that reflects signals to the repeater
Try the long path
Increase the antenna SWR
T3B11: What is the approximate velocity of a radio wave as it travels through free space?
3000 kilometers per second
300,000,000 meters per second
300,000 miles per hour
186,000 miles per hour
T3C01: Why are "direct" (not via a repeater) UHF signals rarely heard from stations outside your local coverage area?
They are too weak to go very far
FCC regulations prohibit them from going more than 50 miles
UHF signals are usually not reflected by the ionosphere
They collide with trees and shrubbery and fade out
T4A03: Which is a good reason to use a regulated power supply for communications equipment?
It prevents voltage fluctuations from reaching sensitive circuits
A regulated power supply has FCC approval
A fuse or circuit breaker regulates the power
Power consumption is independent of load
T4B09: Which of the following is an appropriate receive filter to select in order to minimize noise and interference for SSB reception?
500 Hz
1000 Hz
2400 Hz
5000 Hz
T5A06: How much voltage does a mobile transceiver usually require?
About 12 volts
About 30 volts
About 120 volts
About 240 volts
T5B02: What is another way to specify a radio signal frequency of 1,500,000 hertz?
1500 kHz
1500 MHz
15 GHz
150 kHz
T5C04: What is the basic unit of inductance?
The coulomb
The farad
The henry
The ohm
T5D08: What is the current flowing through a 100-ohm resistor connected across 200 volts?
20,000 amperes
0.5 amperes
2 amperes
100 amperes
T6A03: What electrical parameter is controlled by a potentiometer?
Inductance
Resistance
Capacitance
Field strength
T6B10: Which semiconductor component has an emitter electrode?
Bipolar transistor
Field effect transistor
Silicon diode
Bridge rectifier
T6C08: What is component 9 in figure T2?
Variable capacitor
Variable inductor
Variable resistor
Variable transformer
T6D07: Which of the following is commonly used as a visual indicator?
LED
FET
Zener diode
Bipolar transistor
T7A09: Which of the following devices is most useful for VHF weak-signal communication?
A quarter-wave vertical antenna
A multi-mode VHF transceiver
An omni-directional antenna
A mobile VHF FM transceiver
T7B09: What could be happening if another operator reports a variable high-pitched whine on the audio from your mobile transmitter?
Your microphone is picking up noise from an open window
You have the volume on your receiver set too high
You need to adjust your squelch control
Noise on the vehicle's electrical system is being transmitted along with your speech audio
T7C10: Why should the outer jacket of coaxial cable be resistant to ultraviolet light?
Ultraviolet resistant jackets prevent harmonic radiation
Ultraviolet light can increase losses in the cable's jacket
Ultraviolet and RF signals can mix together, causing interference
Ultraviolet light can damage the jacket and allow water to enter the cable
T7D06: Which of the following might damage a multimeter?
Measuring a voltage too small for the chosen scale
Leaving the meter in the milliamps position overnight
Attempting to measure voltage when using the resistance setting
Not allowing it to warm up properly
T8A10: What is the typical bandwidth of analog fast-scan TV transmissions on the 70 cm band?
More than 10 MHz
About 6 MHz
About 3 MHz
About 1 MHz
T8B10: What do the initials LEO tell you about an amateur satellite?
The satellite battery is in Low Energy Operation mode
The satellite is performing a Lunar Ejection Orbit maneuver
The satellite is in a Low Earth Orbit
The satellite uses Light Emitting Optics
T8C11: What name is given to an amateur radio station that is used to connect other amateur stations to the Internet?
A gateway
A repeater
A digipeater
A beacon
T8D05: Which of the following emission modes may be used by a Technician Class operator between 219 and 220 MHz?
Spread spectrum
Data
SSB voice
Fast-scan television
T9A09: What is the approximate length, in inches, of a 6 meter 1/2-wavelength wire dipole antenna?
6
50
112
236
T9B01: Why is it important to have a low SWR in an antenna system that uses coaxial cable feedline?
To reduce television interference
To allow the efficient transfer of power and reduce losses
To prolong antenna life
All of these choices are correct






