Ham Technician License Practice Quiz


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T0A07: Which of these precautions should be taken when installing devices for lightning protection in a coaxial cable feedline?

Include a parallel bypass switch for each protector so that it can be switched out of the circuit when running high power
Include a series switch in the ground line of each protector to prevent RF overload from inadvertently damaging the protector
Keep the ground wires from each protector separate and connected to station ground
Ground all of the protectors to a common plate which is in turn connected to an external ground

T0B02: What is a good precaution to observe before climbing an antenna tower?

Make sure that you wear a grounded wrist strap
Remove all tower grounding connections
Put on a climbing harness and safety glasses
All of the these choices are correct

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

T1A06: What is the FCC Part 97 definition of telecommand?

An instruction bulletin issued by the FCC
A one-way radio transmission of measurements at a distance from the measuring instrument
A one-way transmission to initiate, modify or terminate functions of a device at a distance
An instruction from a VEC

T1B06: Which 23 cm frequency is authorized to a Technician Class operator license?

2315 MHz
1296 MHz
3390 MHz
146.52 MHz

T1C09: What is the grace period following the expiration of an amateur license within which the license may be renewed?

Two years
Three years
Five years
Ten years

T1D01: With which countries are FCC-licensed amateur stations prohibited from exchanging communications?

Any country whose administration has notified the ITU that it objects to such communications
Any country whose administration has notified the United Nations that it objects to such communications
Any country engaged in hostilities with another country
Any country in violation of the War Powers Act of 1934

T1E09: What type of control is being used when transmitting using a handheld radio?

Radio control
Unattended control
Automatic control
Local control

T1F07: Which of the following restrictions apply when appending a self-assigned call sign indicator?

It must be more than three letters and less than five letters
It must be less than five letters
It must start with the letters AA through AL, K, N, or W and be not less than two characters or more than five characters in length
It must not conflict with any other indicator specified by the FCC rules or with any call sign prefix assigned to another country

T2A06: What must an amateur operator do when making on-air transmissions to test equipment or antennas?

Properly identify the transmitting station
Make test transmissions only after 10:00 p.m. local time
Notify the FCC of the test transmission
State the purpose of the test during the test procedure

T2B01: What is the term used to describe an amateur station that is transmitting and receiving on the same frequency?

Full duplex communication
Diplex communication
Simplex communication
Half duplex communication

T2C07: What should you do to minimize disruptions to an emergency traffic net once you have checked in?

Whenever the net frequency is quiet, announce your call sign and location
Move 5 kHz away from the net's frequency and use high power to ask other hams to keep clear of the net frequency
Do not transmit on the net frequency until asked to do so by the net control station
Wait until the net frequency is quiet, then ask for any emergency traffic for your area

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

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

T3C07: What band is best suited to communicating via meteor scatter?

10 meters
6 meters
2 meters
70 cm

T4A08: Which type of conductor is best to use for RF grounding?

Round stranded wire
Round copper-clad steel wire
Twisted-pair cable
Flat strap

T4B06: Which of the following controls could be used if the voice pitch of a single-sideband signal seems too high or low?

The AGC or limiter
The bandwidth selection
The tone squelch
The receiver RIT or clarifier

T5A01: Electrical current is measured in which of the following units?

Volts
Watts
Ohms
Amperes

T5B08: How many microfarads are 1,000,000 picofarads?

0.001 microfarads
1 microfarad
1000 microfarads
1,000,000,000 microfarads

T5C11: How many amperes are flowing in a circuit when the applied voltage is 12 volts DC and the load is 120 watts?

0.1 amperes
10 amperes
12 amperes
132 amperes

T5D06: What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

3 ohms
16 ohms
48 ohms
8 Ohms

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

T6C06: What is component 6 in figure T2?

Resistor
Capacitor
Regulator IC
Transistor

T6D08: Which of the following is used together with an inductor to make a tuned circuit?

Resistor
Zener diode
Potentiometer
Capacitor

T7A04: What circuit is pictured in Figure T7, if block 1 is a frequency discriminator?

A double-conversion receiver
A regenerative receiver
A superheterodyne receiver
An FM receiver

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

T7C01: What is the primary purpose of a dummy load?

To prevent the radiation of signals when making tests
To prevent over-modulation of your transmitter
To improve the radiation from your antenna
To improve the signal to noise ratio of your receiver

T7D10: What is probably happening when an ohmmeter, connected across a circuit, initially indicates a low resistance and then shows increasing resistance with time?

The ohmmeter is defective
The circuit contains a large capacitor
The circuit contains a large inductor
The circuit is a relaxation oscillator

T8A01: Which of the following is a form of amplitude modulation?

Spread-spectrum
Packet radio
Single sideband
Phase shift keying

T8B07: With regard to satellite communications, what is Doppler shift?

A change in the satellite orbit
A mode where the satellite receives signals on one band and transmits on another
An observed change in signal frequency caused by relative motion between the satellite and the earth station
A special digital communications mode for some satellites

T8C05: What is a grid locator?

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

T8D04: What type of transmission is indicated by the term NTSC?

A Normal Transmission mode in Static Circuit
A special mode for earth satellite uplink
An analog fast scan color TV signal
A frame compression scheme for TV signals

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

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