ICC AST Installation/ Retrofitting UPDATED Exam
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Terms in this set (62)
to allow passage between 1/6 of the sum of the adjacent tank diameters, but not
tanks for inspection less then 3 feet.
provide a minimum of?
pressure vacuum vents 2 through 16 ounces per square Inch or a vacuum of
remain normally closed, 0.5 through 1.0 ounces per square inch.
only opened when the
pressure inside the tank
reaches?
the primary criterion for this ranges from 1,000 pounds per square foot for soft
tank foundation design is clay or 4,000 for coarse, compacted gravel
the allowable bearing
pressure of soil.
nominal vent must be at 2" nominal pipe size.
least?
, operating/ design the pressure setting of the venting device. usually 2
pressure ounces to 1 pound per square inch above
atmospheric pressure.
shop built tanks are
designed for operating
pressures between
atmospheric and 1.0 psig.
in order for air and vapor
to be expelled from a tank
during filling, the internal
pressure must increase to
at least?
pressure/ vacuum vents 2 through 16 ounces per square inch or a vacuum of
remain normally closed 0.5 through 1.0 ounces per square inch.
only when the pressure in
the tanks reaches a
predetermined pressure
setting of?
in order for air to enter a It is at least 1 ounce below atmospheric pressure.
tank during liquid
withdrawal the internal
tank pressure must be
reduced to a pont where?
A suitable foundation for 12" beyond the perimeter of the tank.
vertical tanks can be
constructed with a
finished course of clean,
compacted sand, gravel
or crushed rock that is
placed over the base
course. The base and the
Finnish courses should
extend at least?
Questions (2025) Complete Exam Questions and
Answers | already graded A+
Save
Terms in this set (62)
to allow passage between 1/6 of the sum of the adjacent tank diameters, but not
tanks for inspection less then 3 feet.
provide a minimum of?
pressure vacuum vents 2 through 16 ounces per square Inch or a vacuum of
remain normally closed, 0.5 through 1.0 ounces per square inch.
only opened when the
pressure inside the tank
reaches?
the primary criterion for this ranges from 1,000 pounds per square foot for soft
tank foundation design is clay or 4,000 for coarse, compacted gravel
the allowable bearing
pressure of soil.
nominal vent must be at 2" nominal pipe size.
least?
, operating/ design the pressure setting of the venting device. usually 2
pressure ounces to 1 pound per square inch above
atmospheric pressure.
shop built tanks are
designed for operating
pressures between
atmospheric and 1.0 psig.
in order for air and vapor
to be expelled from a tank
during filling, the internal
pressure must increase to
at least?
pressure/ vacuum vents 2 through 16 ounces per square inch or a vacuum of
remain normally closed 0.5 through 1.0 ounces per square inch.
only when the pressure in
the tanks reaches a
predetermined pressure
setting of?
in order for air to enter a It is at least 1 ounce below atmospheric pressure.
tank during liquid
withdrawal the internal
tank pressure must be
reduced to a pont where?
A suitable foundation for 12" beyond the perimeter of the tank.
vertical tanks can be
constructed with a
finished course of clean,
compacted sand, gravel
or crushed rock that is
placed over the base
course. The base and the
Finnish courses should
extend at least?
