ICC AST INSTALLATION |RETROFITTING EXAM WITH GUARANTEED ACCURATE ANSWERS |VERIFIED
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ICC AST INSTALLATION |RETROFITTING
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ICC AST INSTALLATION |RETROFITTING
To allow passage between tanks for inspection provide a minimum of? - accurate answers 1/6 of the sum of the adjacent tank diameters, but not less then 3 feet.
Pressure vacuum vents remain normally closed, only opened when the pressure inside the tank reaches? - accurate answers 2 through 16 oun...
ICC AST INSTALLATION |RETROFITTING
EXAM 2024\2025
ICC AST INSTALLATION |RETROFITTING EXAM 2024\2025 WITH GUARANTEED
ACCURATE ANSWERS |VERIFIED
To allow passage between tanks for inspection provide a minimum of? -
accurate answers✔✔ 1/6 of the sum of the adjacent tank diameters, but
not less then 3 feet.
Pressure vacuum vents remain normally closed, only opened when the
pressure inside the tank reaches? - accurate answers✔✔ 2 through 16
ounces per square inch or a vacuum of 0.5 through 1.0 ounces per square
inch.
The primary criterion for tank foundation design is the allowable bearing
pressure of soil. - accurate answers✔✔ this ranges from 1,000 pounds
per square foot for soft clay or 4,000 for coarse, compacted gravel
, Nominal vent must be at least? - accurate answers✔✔ 2" nominal pipe
size.
Operating/ design 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? -
accurate answers✔✔ the pressure setting of the venting device. Usually
2 ounces to 1 pound per square inch above atmospheric pressure.
Pressure/ vacuum vents remain normally closed only when the pressure
in the tanks reaches a predetermined pressure setting of? - accurate
answers✔✔ 2 through 16 ounces per square inch or a vacuum of 0.5
through 1.0 ounces per square inch.
In order for air to enter a tank during liquid withdrawal the internal tank
pressure must be reduced to a pont where? - accurate answers✔✔ it is at
least 1 ounce below atmospheric pressure.
A suitable foundation for 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? - accurate answers✔✔ 12" beyond the perimeter of the
tank.
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