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AAS 2 > DC > Flashcards

DC Flashcards

1
Q

What describes a substance that cannot be reduced to a more simple substance using chemical means?

A

Element

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2
Q

There are two types of batteries used on aircraft. They are:

A

Lead Acid and Nickel-Cadmium cells

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3
Q

Which circuit control device incorporates a mechanical pivot arm to connect to a secondary circuit?

A

Relay

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4
Q

What two (2) types of fuses are used in aircraft?

A

Cartridge & Fuse link

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5
Q

What determines the strength of the magnetic field around a conductor?

A

The amount of current

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6
Q

Which circuit control device incorporates a movable core to connect to a secondary circuit?

A

Solenoid

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7
Q

What type of battery is installed in aircraft as the primary electrical source?

A

Secondary cell

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8
Q

How are older style fuses designated?

A

Using numbers and letters

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9
Q

How many styles of fuses are used on aircraft?

A

2

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10
Q

How are new style fuses designated?

A

By letters only

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11
Q

What type of switch uses a locking feature to prevent the switch from accidentally turned on or off?

A

Locking Switch

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12
Q

what safety tool holds energy-isolation devices in a safe or off position?

A

Lockout

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13
Q

What describes a chemical combination of elements that can be separated by chemical means but not by physical means?

A

Compound

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14
Q

What can be used to clean corrosion from a Ni-Cad battery?

A

Boric Acid

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15
Q

When troubleshooting a relay a _____ can be used.

A

Voltmeter

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16
Q

In order to increase voltage in a circuit, batteries should be connected in?

A

Series

17
Q

What type of fuse is used in most low current applications?

A

Plug

18
Q

Which circuit control device incorporates a mechanical pivot arm to connect to a secondary circuit?

A

Relay

19
Q

To increase both voltage and current available to a circuit, batteries should be connected in:

A

Series-Parallel

20
Q

What describes a combination of elements and compounds that are not chemically joined but physically joined?

A

Mixture

21
Q

If a resistance to which a constant voltage is applied is halved, what power dissipation will result?

A

power Doubled

22
Q

What two types of batteries are used on aircraft?

A

Lead-acid and Ni-Cad

23
Q

What safety tool is a device that an
employee fastens to an energy-isolation device to warn other
employees to not energize the circuit or machine?

A

Tagout

24
Q

What describes a substance that cannot
be reduced to a more
simple substance using chemical means?

A

Element

25
Q

To check a fuse, remove it from the circuit and test if for continuity by?

A

Using an ohmmeter

26
Q

To increase the current available in a circuit, the batteries should be connected in:

A

Parallel

AAS 2 (6 decks)

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