Emergencies

Question 1

A gas leak becomes a potential blast zone when the levels are above ___% LEL

Answer 1

80%

Question 2

How is the potential blast zone identified at a major gas emergencies?

Answer 2

By red “danger do not enter” tape

Only to be entered for direct life saving purposes

Question 3

What fdny issued power equipment is intrinsically safe?

Answer 3

Handie talkies
Natural gas detectors
Natural gas meters
Flashlights issued by the fdny

Question 4

When can sewer manholes be removed by fd personnel?

Answer 4

With approval from on scene BC

Question 5

When can round electric manholes be removed by FD personnel?

Answer 5

When requested by Utility company
Approved by BC
Checked for stray voltage

Rectangular or square holes never pulled

Question 6

What is the level of the LEL that will cause the Altair meter to alarm?

Answer 6

10%

Question 7

What is the oxygen level in an oxygen enriched environment that will cause the Altair to alarm?

Answer 7

23.5%

Question 8

What is the oxygen level in an oxygen deficient environment that will cause the Altair to alarm?

Answer 8

19.5%

Question 9

What valves can FD members shut in a steam emergency?

Answer 9

Inside service valve

Question 10

When is a PFD worn over the cold water suit?

Answer 10

For ice rescues. Worn by the primary and secondary rescuers.
(Water rescue only CWS)