Chapter 2

Question 1

Fire watch need if and when

Answer 1

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

Question 2

ANSI

Answer 2

American national standard institute

Question 3

ANSI Z49.1

Answer 3

Safety in welding cutting and alined processes

Question 4

ANSI Z87.1

Answer 4

Occupational and educational eye and face protection

Question 5

CRYOGENIC

Answer 5

VERY cold well below 0 degrees

Question 6

Filer Lense

Answer 6

Shaded glass sense to protect against radiation

lenses are numbered - Higher # = greater protection

Question 7

NEMA

Answer 7

National Electrical manufacturers association

Question 8

Pascal

Answer 8

metric system unit for pressure

1 PSI = 6895 Pascal (Pa)

Question 9

Primary shock currents

Answer 9

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

Question 10

Secondary Shock currents

Answer 10

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

Question 11

Current Perception threshold

Answer 11

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

Question 12

ANSI publication Z117.1

Answer 12

Safety requirements for working in tanks and confines spaces