Ham Technician License Practice Quiz


• Percentage: 0%; Correct: 0; Total: 0 of 35

T0A06: What is a good way to guard against electrical shock at your station?

Use three-wire cords and plugs for all AC powered equipment
Connect all AC powered station equipment to a common safety ground
Use a circuit protected by a ground-fault interrupter
All of these choices are correct

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

T0C10: Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

It affects the average exposure of people to radiation
It affects the peak exposure of people to radiation
It takes into account the antenna feedline loss
It takes into account the thermal effects of the final amplifier

T1A02: What agency regulates and enforces the rules for the Amateur Radio Service in the United States?

FEMA
The ITU
The FCC
Homeland Security

T1B02: North American amateur stations are located in which ITU region?

Region 1
Region 2
Region 3
Region 4

T1C11: If your license has expired and is still within the allowable grace period, may you continue to operate a transmitter on amateur service frequencies?

No, transmitting is not allowed until the ULS database shows that the license has been renewed
Yes, but only if you identify using the suffix "GP"
Yes, but only during authorized nets
Yes, for up to two years

T1D06: Which of the following types of transmissions are prohibited?

Transmissions that contain obscene or indecent words or language
Transmissions to establish one-way communications
Transmissions to establish model aircraft control
Transmissions for third party communications

T1E11: Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

The station custodian
The third party participant
The person operating the station equipment
The station licensee

T1F03: When is an amateur station required to transmit its assigned call sign?

At the beginning of each contact, and every 10 minutes thereafter
At least once during each transmission
At least every 15 minutes during and at the end of a contact
At least every 10 minutes during and at the end of a contact

T2A04: What is an appropriate way to call another station on a repeater if you know the other station's call sign?

Say "break, break" then say the station's call sign
Say the station's call sign then identify with your call sign
Say "CQ" three times then the other station's call sign
Wait for the station to call "CQ" then answer it

T2B05: What determines the amount of deviation of an FM signal?

Both the frequency and amplitude of the modulating signal
The frequency of the modulating signal
The amplitude of the modulating signal
The relative phase of the modulating signal and the carrier

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

T3A10: What may occur if VHF or UHF data signals propagate over multiple paths?

Transmission rates can be increased by a factor equal to the number of separate paths observed
Transmission rates must be decreased by a factor equal to the number of separate paths observed
No significant changes will occur if the signals are transmitting using FM
Error rates are likely to increase

T3B06: What is the formula for converting frequency to wavelength in meters?

Wavelength in meters equals frequency in hertz multiplied by 300
Wavelength in meters equals frequency in hertz divided by 300
Wavelength in meters equals frequency in megahertz divided by 300
Wavelength in meters equals 300 divided by frequency in megahertz

T3C09: What is generally the best time for long-distance 10 meter band propagation?

During daylight hours
During nighttime hours
When there are coronal mass ejections
Whenever the solar flux is low

T4A01: Which of the following is true concerning the microphone connectors on amateur transceivers?

All transceivers use the same microphone connector type
Some connectors include push-to-talk and voltages for powering the microphone
All transceivers using the same connector type are wired identically
Un-keyed connectors allow any microphone to be connected

T4B08: What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

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

T5A09: What is the name for a current that reverses direction on a regular basis?

Alternating current
Direct current
Circular current
Vertical current

T5B04: How many volts are equal to one microvolt?

One one-millionth of a volt
One million volts
One thousand kilovolts
One one-thousandth of a volt

T5C03: What is the ability to store energy in a magnetic field called?

Admittance
Capacitance
Resistance
Inductance

T5D09: What is the current flowing through a 24-ohm resistor connected across 240 volts?

24,000 amperes
0.1 amperes
10 amperes
216 amperes

T6A01: What electrical component is used to oppose the flow of current in a DC circuit?

Inductor
Resistor
Voltmeter
Transformer

T6B11: Which semiconductor component has a gate 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

T6D11: Which of the following is a common use of coaxial cable?

Carry dc power from a vehicle battery to a mobile radio
Carry RF signals between a radio and antenna
Secure masts, tubing, and other cylindrical objects on towers
Connect data signals from a TNC to a computer

T7A07: If figure T5 represents a transceiver in which block 1 is the transmitter portion and block 3 is the receiver portion, what is the function of block 2?

A balanced modulator
A transmit-receive switch
A power amplifier
A high-pass filter

T7B05: What is a logical first step when attempting to cure a radio frequency interference problem in a nearby telephone?

Install a low-pass filter at the transmitter
Install a high-pass filter at the transmitter
Install an RF filter at the telephone
Improve station grounding

T7C09: Which of the following is the most common cause for failure of coaxial cables?

Moisture contamination
Gamma rays
The velocity factor exceeds 1.0
Overloading

T7D03: How is an ammeter usually connected to a circuit?

In series with the circuit
In parallel with the circuit
In quadrature with the circuit
In phase with the circuit

T8A05: Which of the following types of emission has the narrowest bandwidth?

FM voice
SSB voice
CW
Slow-scan TV

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

T8C08: What is required in place of on-air station identification when sending signals to a radio control model using amateur frequencies?

Voice identification must be transmitted every 10 minutes
Morse code ID must be sent once per hour
A label indicating the licensee's name, call sign and address must be affixed to the transmitter
A flag must be affixed to the transmitter antenna with the station call sign in 1 inch high letters or larger

T8D10: Which of the following can be used to transmit CW in the amateur bands?

Straight Key
Electronic Keyer
Computer Keyboard
All of these choices are correct

T9A05: How would you change a dipole antenna to make it resonant on a higher frequency?

Lengthen it
Insert coils in series with radiating wires
Shorten it
Add capacity hats to the ends of the radiating wires

T9B10: What electrical difference exists between the smaller RG-58 and larger RG-8 coaxial cables?

There is no significant difference between the two types
RG-58 cable has less loss at a given frequency
RG-8 cable has less loss at a given frequency
RG-58 cable can handle higher power levels