Week 1 Flashcards

1
Q

Chemical makeup of natural gas?

A

CH4

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2
Q

Who dug the first national gas line and where?

A

William hart

Fredonia, New York

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3
Q

First gas pipe used?

A

Bamboo

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4
Q

What is fracking?

A

Hydraulic fracturing of the earth to release natural gas pockets

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5
Q

Liquid natural gas cooling temp?

A

-260 degrees

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6
Q

Main industry code?

A

NFPA 54 National fuel gas code.

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7
Q

What is the chemical makeup of natural gases?

A

Hydrocarbons

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8
Q

Natural gas is a fossil fuel?

A

True!

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9
Q

Consumer grade natural gas makeup?

A

90% methane

10% other gases

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10
Q

What is asphyxiation?

A

Death by lack of breathable oxygen

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11
Q

What is specific gravity?

A

The density of gas in relation to air which is 1.000

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12
Q

Specific gravity weights?

A
Air - 1.000
Carbon dioxide - 1.5189
Propane - 1.5219
Oxygen - 1.1044
Carbon monoxide - 0.9667
Methane - 0.5537
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13
Q

Where do gases heavier than air pool?

A

On the ground

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14
Q

Where to gases lighter than air pool?

A

On the ceiling

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15
Q

What is corrosion?

A

The chemical damage of physical materials such as steel pipes.

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16
Q

Transmission pressure?

A

1000 Psi

17
Q

Distribution pressure?

A

60 Psi

18
Q

Service (house) pressure?

A

7” wc (water column)

19
Q

Range of combustion?

A

5-15%