Static Electricity Flashcards

1
Q

Electricity that does not move

A

Static Electricity

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2
Q

Electrical connection between to or more metallic objects

A

Bonding

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3
Q

Connection of an object to the earth

A

Grounding

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4
Q

An electrically-charged atom

A

Ion

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5
Q

To replace one gas with another

A

Purge

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6
Q

Instrument for detecting static electricity

A

Electroscope

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7
Q

A precise electroscope used for measuring large static charges

A

Electrostatic voltmeter

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8
Q

Sensitive instrument for measuring small static charges

A

Electrostatic amplifier

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9
Q

Minimizes the potential difference between two objects

A

Bonding

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10
Q

A metal bar having many points

A

A static comb

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11
Q

How large must bonding and grounding wires be?

A

Large enough to carry the largest currents likely to occur

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12
Q

When filling a tank, when should you make electrical connection between the pipe and fill the tank?

A

Before opening the dome

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13
Q

To prevent damage from static discharge in a bearing, you can bind a shaft to the journal housing by means of a

A

Brush made of metal or carbon

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14
Q

To guard against spark ignition in a tank you should

A

Ground it and purge it

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15
Q

The kind and amount of charge generated when removing dust does NOT depend on the

A

Humidity

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16
Q

When using static electricity in spray painting, what kind of charge is given to the object being painted?

A

Either positive or negative