# Caco Knowledge Test V2

64 Questions | Attempts: 142
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• 1.
Frequency is ...
• A.

Pitch

• B.

Volume

• C.

Decibel

• 2.
Speed of Sound equals
• A.

1130 ft per second

• B.

1130 ft per decible

• C.

1130 miles per minute

• 3.
Referring to the loudness of a system.
• A.

Level

• B.

XLR

• C.

Floor

• D.

SPL

• 4.
Unit used in measuring the intensity of a sound, usually in relationship to other sounds.
• A.

Level

• B.

Hertz

• C.

Decibel (dB)

• D.

Feedback

• 5.
The measurement of a frequency.
• A.

Level

• B.

Hertz (Hz)

• C.

Decibel (dB)

• D.

On axis

• 6.
The scientific name for a pitch.
• A.

Feedback

• B.

Level

• C.

Frequency

• D.

Speakon

• 7.
A series of connections from a single source.
• A.

On axis

• B.

Daisy chain

• C.

Hertz (Hz)

• D.

Decibel (dB)

• 8.
The musical term for the doubling (or halving) of frequency is
• A.

Pitch

• B.

Octave

• C.

Sharp

• D.

Harmonic

• E.

Inversion

• 9.
To what does the .1 in 5.1 or 2.1 refer?
• A.

Volumetric sound positioning

• B.

Subwoofer

• C.

Midrange driver

• D.

Reverb positional matrices

• 10.
what is the best method to protect a wire that goes through a fire wall in a vehicle?
• A.

Use bright colored wires

• B.

Use a solid core wire

• C.

Plastic or rubber grommet

• D.

Split loom

• 11.
which one of the following values is the same as 1000 ohms
• A.

.1k ohms

• B.

1.0k ohms

• C.

1.0m ohms

• D.

10m ohms

• 12.
a "bass blocker" low passive crossover is an application when a polarized capacitors is utilized
• A.

True

• B.

False

• 13.
what will be the resulting amount of current flow?
• A.

1 amp

• B.

5 amps

• C.

10 amps

• D.

100 amps

• 14.
when two 3 ohm loads are connected in parallel, the ohm load will be more then 3 ohms
• A.

True

• B.

False

• 15.
how many millivolts is equal to .02v
• A.

200 mv

• B.

2 mv

• C.

20 mv

• D.

2000 mv

• 16.
does this diagram correctly identify the two terminals of a silicone diode IN THE CORRECT POSITION
• A.

True

• B.

False

• 17.
if the following circuit is closed, will the light bulb illuminate
• A.

True

• B.

False

• 18.
what electronic component does this symbol represent on a schematic?
• A.

Diode

• B.

Potentiometer

• C.

Resistor

• D.

LED

• 19.
the purpose of a fuse at the battery on an amplifiers power wire is to protect the amplifier itself
• A.

False

• B.

True

• 20.
which two poles on this SPDT relay are the coil terminals
• A.

A and B

• B.

A and E

• C.

C and E

• D.

D and C

• 21.
what is the difference of potential between two points in an electrical circuit?
• A.

Current

• B.

Ohm

• C.

Voltage

• D.

Resistance

• 22.
what style of fuse is this?
• A.

Atc/ato

• B.

Mini automotive

• C.

Usb

• D.

Maxi

• 23.
which two terminals on this SPDT relay are normally open
• A.

A and E

• B.

C and E

• C.

B and D

• D.

A and B

• 24.
when a vehicles engine is running, what is its primary source of power for the electrical system
• A.

Gasoline

• B.

Battery

• C.

Capacitor

• D.

Alternator

• 25.
an increase in current from a vehicles alternator is  directly related to an increase in magnetism
• A.

True

• B.

False