API 575 Practice Questions with 100% Correct

API 575 Practice Questions with 100% Correct Who may use API RP 575? - Answer- Anyone desiring to use API RP 575 may do so. API RP 575 covers: - Answer- maintenance and inspection of atmosphere and low- pressure storage tanks. The generic meaning for atmosperic pressure is up to but not exceeding _______ ibf/in2 gage pressure. - Answer- 2.5 The exterior surface of the tank bottom is known as the : - Answer- bottom- side. When describing the amount of product the tank can hold, it is referred to as: - Answer- shell capacity The pressure on the surface of a confined liquid caused by the vapors of that liquid is known as: - Answer- vapor pressure A device that protects atmospheric storage tanks by maintaining the pressure difference between the tank vapor space and the outside atmosphere to just a few ounces per square inch is called : - Answer- a pressure vacuum vent. The most common type of atmospheric storage tank is the fixed : - Answer- cone-roof tank. An older style of a floating roof has only a single deck without pontoons. It has no reserve buoyancy and is susceptible to sinking in service. This type of floating roof is known as a: - Answer- pan type. Fixed cone-roof tanks may typically be up to _______ in diameter and _________in height. - Answer- 300 feet,64 feet Fixed cone - roof tank roofs ( diameter greater than 60 feet) are usually supported by: - Answer- internal structural members The purpose of a geodesic dome is to: - Answer- reduce product vapor loss or to eliminate the need to drain rainwater from the roof . A tank with an annular- pontoon floating roof that has a geodesic dome is considered to be : - Answer- an internal floating roof tank. A low pressure storage tank operates between: - Answer- 2.5 and 15 ibf/15 2 Reducing the incidence of leaking petroleum storage tan