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
T0B08: What is considered to be a proper grounding method for a tower?
A single four-foot ground rod, driven into the ground no more than 12 inches from the base
A ferrite-core RF choke connected between the tower and ground
Separate eight-foot long ground rods for each tower leg, bonded to the tower and each other
A connection between the tower base and a cold water pipe
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
T1A03: Which part of the FCC rules contains the rules and regulations governing the Amateur Radio Service?
Part 73
Part 95
Part 90
Part 97
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
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
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
T1F11: To which foreign stations do the FCC rules authorize the transmission of non-emergency third party communications?
Any station whose government permits such communications
Those in ITU Region 2 only
Those in ITU Regions 2 and 3 only
Those in ITU Region 3 only
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
T2B03: Which of the following describes the muting of receiver audio controlled solely by the presence or absence of an RF signal?
Tone squelch
Carrier squelch
CTCSS
Modulated carrier
T2C01: What set of rules applies to proper operation of your station when using amateur radio at the request of public service officials?
RACES Rules
ARES Rules
FCC Rules
FEMA Rules
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
T3B04: How fast does a radio wave travel through free space?
At the speed of light
At the speed of sound
Its speed is inversely proportional to its wavelength
Its speed increases as the frequency increases
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
T4A10: What is the source of a high-pitched whine that varies with engine speed in a mobile transceiver's receive audio?
The ignition system
The alternator
The electric fuel pump
Anti-lock braking system controllers
T4B05: Which of the following would reduce ignition interference to a receiver?
Change frequency slightly
Decrease the squelch setting
Turn on the noise blanker
Use the RIT control
T5A10: Which term describes the rate at which electrical energy is used?
Resistance
Current
Power
Voltage
T5B01: How many milliamperes is 1.5 amperes?
15 milliamperes
150 milliamperes
1,500 milliamperes
15,000 milliamperes
T5C03: What is the ability to store energy in a magnetic field called?
Admittance
Capacitance
Resistance
Inductance
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
T6A09: What electrical component is used to protect other circuit components from current overloads?
Fuse
Capacitor
Shield
Inductor
T6B12: What is the term that describes a transistor's ability to amplify a signal?
Gain
Forward resistance
Forward voltage drop
On resistance
T6C06: What is component 6 in figure T2?
Resistor
Capacitor
Regulator IC
Transistor
T6D10: What is the function of component 2 in Figure T1?
Give off light when current flows through it
Supply electrical energy
Control the flow of current
Convert electrical energy into radio waves
T7A01: What is the function of a product detector?
Detect phase modulated signals
Demodulate FM signals
Detect CW and SSB signals
Combine speech and RF signals
T7B03: Which of the following may be a cause of radio frequency interference?
Fundamental overload
Harmonics
Spurious emissions
All of these choices are correct
T7C03: What, in general terms, is standing wave ratio (SWR)?
A measure of how well a load is matched to a transmission line
The ratio of high to low impedance in a feedline
The transmitter efficiency ratio
An indication of the quality of your station's ground connection
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
T8A03: Which type of voice modulation is most often used for long-distance or weak signal contacts on the VHF and UHF bands?
FM
AM
SSB
PM
T8B02: How much transmitter power should be used on the uplink frequency of an amateur satellite or space station?
The maximum power of your transmitter
The minimum amount of power needed to complete the contact
No more than half the rating of your linear amplifier
Never more than 1 watt
T8C09: How might you obtain a list of active nodes that use VoIP?
From the FCC Rulebook
From your local emergency coordinator
From a repeater directory
From the local repeater frequency coordinator
T8D09: What code is used when sending CW in the amateur bands?
Baudot
Hamming
International Morse
Gray
T9A04: What is a disadvantage of the "rubber duck" antenna supplied with most handheld radio transceivers?
It does not transmit or receive as effectively as a full-sized antenna
It transmits a circularly polarized signal
If the rubber end cap is lost it will unravel very quickly
All of these choices are correct
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
