TB 6 A Natural Gasoline Leak

Question 1

A mechanical ditch digger first broke off a small part of a ___ sewer line located in a pit about 16 feet below ground level.

Answer 1

12-inch

Question 2

Sometime later the ditch digger struck and ruptured a 4-inch Natural gasoline transmission line which was operating at a pressure of about ___.

Answer 2

325 p.s.i

Question 3

The gas line was located about ____ below ground level in the same pit and about 15 feet from the break in the sewer line.

Answer 3

3 ½ feet

Question 4

It was estimated that this particular gasoline contained a large amount of L.P. gas with a vapor pressure of about 60 lbs. and that during the 60 minutes before a shut-off could be effected, ____ escaped through the crack in the ruptured line.

Answer 4

21,000 gallons

Question 5

Natural or Casing-head gasoline is a product of ____ and is usually extracted from Natural gas.

Answer 5

crude petroleum

Question 6

It is used for ___ blending and for the recovery of specific flammable liquids and gases.

Answer 6

commercial gasoline

Question 7

It may contain the following products in various combinations: ___, ethane, butane, propane, pentane and hexane.

Answer 7

methane