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SEPTIC TANK MANUFACTURER LICENSE STUDY GUIDE
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SEPTIC TANK MANUFACTURER LICENSE STUDY GUIDE...
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SEPTIC TANK MANUFACTURERLICENSE STUDY GUIDE
What are the two commandments? - ANSWER Must be watertight and
structurally sound.
What is a holding tank? - Answer Water-tight containers used to temporarily
store sewage.
What is a septic tank? - ANSWER A water-tight container that collects sewage
from a building.
What is a dosing tank? - ANSWER Used to transport wastewater from one
component, such as a septic tank, to another.
What is a d box? - ANSWER Used to transfer effluent from one system
component to another. Typically feature one inlet and several outlets and are
used to connect to individual lines in the system.
What is a grease trap? - ANSWER They function similarly to septic tanks, but
are more typically connected with commercial food companies. Food
establishment sewage is often higher in organic content. Designed to intercept
oil and other food items.
What are the two sorts of aggregate? - ANSWER Fine aggregates—sand
course aggregates—rock
What is the diameter of #67 and #57 rocks? ANSWER: 57-3/4 67/ 1 inch
, What is an aggregate with no fluctuation in size? Poorly graded.
What are aggregates with little variation in size? ANSWER Gap graded
aggregates
ANSWER: Aggregates with good variety in aggregate size. Well-graded
aggregates
What are the four varieties of vibrators? - ANSWER: hydraulic phumatic
turbine and electric
What are the two sorts of vibrations? Internal and External
What are the ways to apply for form release? Spraying, whipping, dipping,
fogging, painting or swabbing
What exactly does it mean to spray? - ANSWER The most typical method for
applying form release. A high-pressure tank containing form release agent
misted through a nozzle.
There are two sorts of form releases: barrier release agents and reactive release
agents.
How do you determine slump? - ANSWER With a slump cone filled 1/3 of the
way, rodded 25 times, and repeated until the cone is 3/3 full, the distance from
the cone to the center point of the concrete is measured after the cone is
removed.
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