T0A12: What kind of hazard might exist in a power supply when it is turned off and disconnected?

Static electricity could damage the grounding system

Circulating currents inside the transformer might cause damage

The fuse might blow if you remove the cover

T0B11: Which of the following establishes grounding requirements for an amateur radio tower or antenna?

FCC Part 97 Rules

FAA tower lighting regulations

Underwriters Laboratories' recommended practices

T0C02: Which of the following frequencies has the lowest Maximum Permissible Exposure limit?

3.5 MHz

440 MHz

1296 MHz

T1A05: What is the FCC Part 97 definition of a space station?

Any multi-stage satellite

An Earth satellite that carries one of more amateur operators

An amateur station located less than 25 km above the Earth's surface

T1B11: What emission modes are permitted in the mode-restricted sub-bands at 50.0 to 50.1 MHz and 144.0 to 144.1 MHz?

CW and RTTY

SSB only

CW and SSB

T1C08: What is the normal term for an FCC-issued primary station/operator license grant?

Five years

Life

Twenty years

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 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

T1E02: Who is eligible to be the control operator of an amateur station?

Only a person holding an amateur service license from any country that belongs to the United Nations

Only a citizen of the United States

Only a person over the age of 18

T1F09: What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Beacon station

Earth station

Message forwarding station

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 "CQ" three times then the other station's call sign

Wait for the station to call "CQ" then answer it

T2B11: What is the "Q" signal used to indicate that you are changing frequency?

QRU

QSL

QRZ

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

FEMA Rules

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 the long path

Increase the antenna SWR

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

T3C10: What is the radio horizon?

The distance from the ground to a horizontally mounted antenna

The farthest point you can see when standing at the base of your antenna tower

The shortest distance between two points on the Earth's surface

T4A05: What type of filter should be connected to a TV receiver as the first step in trying to prevent RF overload from a nearby 2 meter transmitter?

Low-pass filter

High-pass filter

Band-pass filter

T4B01: What may happen if a transmitter is operated with the microphone gain set too high?

The output power might be too high

The frequency might vary

The SWR might increase

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

Volts

Watts

Ohms

T5B09: What is the approximate amount of change, measured in decibels (dB), of a power increase from 5 watts to 10 watts?

2 dB

5 dB

10 dB

T5C02: What is the basic unit of capacitance?

The ohm

The volt

The henry

T5D01: What formula is used to calculate current in a circuit?

Current (I) equals voltage (E) multiplied by resistance (R)

Current (I) equals voltage (E) added to resistance (R)

Current (I) equals voltage (E) minus resistance (R)

T6A08: What electrical component is used to connect or disconnect electrical circuits?

Zener Diode

Inductor

Variable resistor

T6B10: Which semiconductor component has an emitter electrode?

Field effect transistor

Silicon diode

Bridge rectifier

T6C03: What is component 2 in figure T1?

Resistor

Indicator lamp

Connector

T6D06: What component is commonly used to change 120V AC house current to a lower AC voltage for other uses?

Variable capacitor

Transistor

Diode

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 power amplifier

A high-pass filter

T7B03: Which of the following may be a cause of radio frequency interference?

Fundamental overload

Harmonics

Spurious emissions

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

Gamma rays

The velocity factor exceeds 1.0

Overloading

T7D05: What instrument is used to measure resistance?

An oscilloscope

A spectrum analyzer

A noise bridge

T8A10: What is the typical bandwidth of analog fast-scan TV transmissions on the 70 cm band?

More than 10 MHz

About 3 MHz

About 1 MHz

T8B04: Which amateur stations may make contact with an amateur station on the International Space Station using 2 meter and 70 cm band amateur radio frequencies?

Only members of amateur radio clubs at NASA facilities

Only the astronaut's family members who are hams

You cannot talk to the ISS on amateur radio frequencies

T8C01: Which of the following methods is used to locate sources of noise interference or jamming?

Echolocation

Doppler radar

Phase locking

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

Straight Key

Electronic Keyer

Computer Keyboard

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 impedance on receive or transmit compared to a reference antenna

T9B11: Which of the following types of feedline has the lowest loss at VHF and UHF?

50-ohm flexible coax

Multi-conductor unbalanced cable

75-ohm flexible coax