Chapter 2 Flashcards

1
Q

Fire watch need if and when

A

when fire is possible
or the using areas not normally assigned for such operation
- 35ft radius and watching 30 min after free is out

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2
Q

ANSI

A

American national standard institute

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3
Q

ANSI Z49.1

A

Safety in welding cutting and alined processes

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4
Q

ANSI Z87.1

A

Occupational and educational eye and face protection

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5
Q

CRYOGENIC

A

VERY cold well below 0 degrees

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6
Q

Filer Lense

A

Shaded glass sense to protect against radiation

lenses are numbered - Higher # = greater protection

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7
Q

NEMA

A

National Electrical manufacturers association

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8
Q

Pascal

A

metric system unit for pressure

1 PSI = 6895 Pascal (Pa)

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9
Q

Primary shock currents

A

cause direct harm and shock currents greater than 6 milliamperes (mA)

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10
Q

Secondary Shock currents

A

.5 mA - 6mA are secondary currents - caused by involuntary muscular reactions without causing direct physiological harm

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11
Q

Current Perception threshold

A

.5 mA - the point you begin to feel tingle from currents

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12
Q

ANSI publication Z117.1

A

Safety requirements for working in tanks and confines spaces

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