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

T0B03: Under what circumstances is it safe to climb a tower without a helper or observer?

When no electrical work is being performed

When no mechanical work is being performed

When the work being done is not more than 20 feet above the ground

T0C04: What factors affect the RF exposure of people near an amateur station antenna?

Frequency and power level of the RF field

Distance from the antenna to a person

Radiation pattern of the antenna

T1A11: Which of the following stations transmits signals over the air from a remote receive site to a repeater for retransmission?

Beacon station

Relay station

Message forwarding station

T1B07: What amateur band are you using if you are transmitting on 223.50 MHz?

15 meter band

10 meter band

2 meter band

T1C10: How soon may you operate a transmitter on an amateur service frequency after you pass the examination required for your first amateur radio license?

Immediately

30 days after the test date

You must wait until you receive your license in the mail from the FCC

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

Transmissions to establish one-way communications

Transmissions to establish model aircraft control

Transmissions for third party communications

T1E03: Who must designate the station control operator?

The FCC

The frequency coordinator

The ITU

T1F13: When must the station licensee make the station and its records available for FCC inspection?

Any time upon request by an official observer

30 days prior to renewal of the station license

10 days before the first transmission

T2A03: What is a common repeater frequency offset in the 70 cm band?

Plus or minus 600 kHz

Minus 600 kHz

Plus 600 kHz

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

QRU

QSL

QRZ

T2C09: When may an amateur station use any means of radio communications at its disposal for essential communications in connection with immediate safety of human life and protection of property?

Only when FEMA authorizes it by declaring an emergency

Only when RACES authorizes it by declaring an emergency

Only when authorized by the local MARS program director

T3A07: What type of wave carries radio signals between transmitting and receiving stations?

Electrostatic

Surface acoustic

Magnetostrictive

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

T3C11: Why do VHF and UHF radio signals usually travel somewhat farther than the visual line of sight distance between two stations?

Radio signals move somewhat faster than the speed of light

Radio waves are not blocked by dust particles

Radio waves are blocked by dust particles

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

T4B09: Which of the following is an appropriate receive filter to select in order to minimize noise and interference for SSB reception?

500 Hz

1000 Hz

5000 Hz

T5A11: What is the basic unit of electromotive force?

The watt

The ampere

The ohm

T5B04: How many volts are equal to one microvolt?

One million volts

One thousand kilovolts

One one-thousandth of a volt

T5C04: What is the basic unit of inductance?

The coulomb

The farad

The ohm

T5D08: What is the current flowing through a 100-ohm resistor connected across 200 volts?

20,000 amperes

0.5 amperes

100 amperes

T6A11: Which battery type is not rechargeable?

Nickel-cadmium

Lead-acid

Lithium-ion

T6B11: Which semiconductor component has a gate electrode?

Bipolar transistor

Silicon diode

Bridge rectifier

T6C07: What is component 8 in figure T2?

Resistor

Inductor

Regulator IC

T6D10: What is the function of component 2 in Figure T1?

Give off light when current flows through it

Supply electrical energy

Convert electrical energy into radio waves

T7A10: What device increases the low-power output from a handheld transceiver?

A voltage divider

An impedance network

A voltage regulator

T7B12: What does the acronym "BER" mean when applied to digital communications systems?

Baud Enhancement Recovery

Baud Error Removal

Bit Exponent Resource

T7C06: What does an SWR reading of 4:1 mean?

An antenna loss of 4 dB

A good impedance match

An antenna gain of 4

T7D07: Which of the following measurements are commonly made using a multimeter?

SWR and RF power

Signal strength and noise

Impedance and reactance

T8A06: Which sideband is normally used for 10 meter HF, VHF and UHF single-sideband communications?

Lower sideband

Suppressed sideband

Inverted sideband

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

A special digital communications mode for some satellites

T8C05: What is a grid locator?

A letter-number designator assigned to an azimuth and elevation

An instrument for neutralizing a final amplifier

An instrument for radio direction finding

T8D05: Which of the following emission modes may be used by a Technician Class operator between 219 and 220 MHz?

Spread spectrum

SSB voice

Fast-scan television

T9A09: What is the approximate length, in inches, of a 6 meter 1/2-wavelength wire dipole antenna?

6

50

236

T9B02: What is the impedance of the most commonly used coaxial cable in typical amateur radio installations?

8 ohms

600 ohms

12 ohms