Ham Technician License Practice Quiz
• Percentage: 0%; Correct: 0; Total: 0 of 35
T0A13: What safety equipment should always be included in home-built equipment that is powered from 120V AC power circuits?
A fuse or circuit breaker in series with the AC "hot" conductor
An AC voltmeter across the incoming power source
An inductor in series with the AC power source
A capacitor across the AC power source
T0B07: Which of the following is an important safety rule to remember when using a crank-up tower?
This type of tower must never be painted
This type of tower must never be grounded
This type of tower must never be climbed unless it is in the fully retracted position
All of these choices are correct
T0C02: Which of the following frequencies has the lowest Maximum Permissible Exposure limit?
3.5 MHz
50 MHz
440 MHz
1296 MHz
T1A04: Which of the following meets the FCC definition of harmful interference?
Radio transmissions that annoy users of a repeater
Unwanted radio transmissions that cause costly harm to radio station apparatus
That which seriously degrades, obstructs, or repeatedly interrupts a radio communication service operating in accordance with the Radio Regulations
Static from lightning storms
T1B02: North American amateur stations are located in which ITU region?
Region 1
Region 2
Region 3
Region 4
T1C08: What is the normal term for an FCC-issued primary station/operator license grant?
Five years
Life
Ten years
Twenty years
T1D04: What is the only time an amateur station is authorized to transmit music?
When incidental to an authorized retransmission of manned spacecraft communications
When the music produces no spurious emissions
When the purpose is to interfere with an illegal transmission
When the music is transmitted above 1280 MHz
T1E04: What determines the transmitting privileges of an amateur station?
The frequency authorized by the frequency coordinator
The class of operator license held by the station licensee
The highest class of operator license held by anyone on the premises
The class of operator license held by the control operator
T1F06: Which of the following formats of a self-assigned indicator is acceptable when identifying using a phone transmission?
KL7CC stroke W3
KL7CC slant W3
KL7CC slash W3
All of these choices are correct
T2A11: What are the FCC rules regarding power levels used in the amateur bands?
Always use the maximum power allowed to ensure that you complete the contact
An amateur may use no more than 200 watts PEP to make an amateur contact
An amateur may use up to 1500 watts PEP on any amateur frequency
An amateur must use the minimum transmitter power necessary to carry out the desired communication
T2B11: What is the "Q" signal used to indicate that you are changing frequency?
QRU
QSY
QSL
QRZ
T2C10: What is the preamble in a formal traffic message?
The first paragraph of the message text
The message number
The priority handling indicator for the message
The information needed to track the message as it passes through the amateur radio traffic handling system
T3A07: What type of wave carries radio signals between transmitting and receiving stations?
Electromagnetic
Electrostatic
Surface acoustic
Magnetostrictive
T3B07: What property of radio waves is often used to identify the different frequency bands?
The approximate wavelength
The magnetic intensity of waves
The time it takes for waves to travel one mile
The voltage standing wave ratio of waves
T3C06: What mode is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?
Tropospheric scatter
D layer refraction
F2 layer refraction
Faraday rotation
T4A11: Where should a mobile transceiver's power negative connection be made?
At the battery or engine block ground strap
At the antenna mount
To any metal part of the vehicle
Through the transceiver's mounting bracket
T4B01: What may happen if a transmitter is operated with the microphone gain set too high?
The output power might be too high
The output signal might become distorted
The frequency might vary
The SWR might increase
T5A01: Electrical current is measured in which of the following units?
Volts
Watts
Ohms
Amperes
T5B03: How many volts are equal to one kilovolt?
One one-thousandth of a volt
One hundred volts
One thousand volts
One million volts
T5C08: What is the formula used to calculate electrical power in a DC circuit?
Power (P) equals voltage (E) multiplied by current (I)
Power (P) equals voltage (E) divided by current (I)
Power (P) equals voltage (E) minus current (I)
Power (P) equals voltage (E) plus current (I)
T5D04: What is the resistance of a circuit in which a current of 3 amperes flows through a resistor connected to 90 volts?
3 ohms
30 ohms
93 ohms
270 ohms
T6A02: What type of component is often used as an adjustable volume control?
Fixed resistor
Power resistor
Potentiometer
Transformer
T6B05: Which of the following electronic components can amplify signals?
Transistor
Variable resistor
Electrolytic capacitor
Multi-cell battery
T6C03: What is component 2 in figure T1?
Resistor
Transistor
Indicator lamp
Connector
T6D01: Which of the following devices or circuits changes an alternating current into a varying direct current signal?
Transformer
Rectifier
Amplifier
Reflector
T7A13: Where is an RF preamplifier installed?
Between the antenna and receiver
At the output of the transmitter's power amplifier
Between a transmitter and antenna tuner
At the receiver's audio output
T7B10: What might be the problem if you receive a report that your audio signal through the repeater is distorted or unintelligible?
Your transmitter may be slightly off frequency
Your batteries may be running low
You could be in a bad location
All of these choices are correct
T7C11: What is a disadvantage of "air core" coaxial cable when compared to foam or solid dielectric types?
It has more loss per foot
It cannot be used for VHF or UHF antennas
It requires special techniques to prevent water absorption
It cannot be used at below freezing temperatures
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
T8A08: What is the approximate bandwidth of a single sideband voice signal?
1 kHz
3 kHz
6 kHz
15 kHz
T8B06: What can be used to determine the time period during which an amateur satellite or space station can be accessed?
A GPS receiver
A field strength meter
A telescope
A satellite tracking program
T8C04: Which of the following is good procedure when contacting another station in a radio contest?
Be sure to sign only the last two letters of your call if there is a pileup calling the station
Work the station twice to be sure that you are in his log
Send only the minimum information needed for proper identification and the contest exchange
All of these choices are correct
T8D03: Which of the following is normally used when sending automatic location reports via amateur radio?
A connection to the vehicle speedometer
A WWV receiver
A connection to a broadcast FM sub-carrier receiver
A Global Positioning System receiver
T9A11: What is meant by the gain of an antenna?
The additional power that is added to the transmitter power
The additional power that is lost in the antenna when transmitting on a higher frequency
The increase in signal strength in a specified direction when compared to a reference antenna
The increase in impedance on receive or transmit compared to a reference antenna
T9B07: Which of the following is true of PL-259 type coax connectors?
They are good for UHF frequencies
They are water tight
The are commonly used at HF frequencies
They are a bayonet type connector
