570 Examination Sample Items SAMPLE API-570 Exam Items The items below are examples of what an exam item might look like. If you have questions about an item or disagree with the answer, please email us at
[email protected] and we will forward to one of our subject matter experts. !orrect "nswer# $ ". %hich of the following following are least likely to experience corrosion under insulation &!'I() *. "reas subject to process spills, moisture, and+or acid vapors . "reas exposed to mist from cooling towers $. -iping systems that operate above /0 1 2. "reas exposed to steam vents !orrect "nswer# 3. %hich of the following descriptions best identifies the cracks expected in corrosion observed during a visual inspection for a chlorine leak that has been dripping on an austenitic pipe) *. 1ollowing the grain boundaries . Transgranular and branching $. 3right and faceted 2. " pattern of carbon stringers !orrect "nswer# 2 !. The preferred method for inspecting piping injection points involves# *. visual inspection and ultrasonics. . ultrasonics and+or acoustic emission testing. $. eddy current and+or radiography. 2. radiography and+or ultrasonics. !orrect "nswer# 2 4. %hen dial5type indicating and recording pressure gauges are used to monitor leak testing, the maximum gauge range shall not exceed which multiple of the expected test pressure) *. * 6 times . 6 times $. $ times 2. 2 times !orrect "nswer# 7. "n 8-9 * 6 level bridle on a propane storage drum shall undergo thickness measurements# *. at intervals not to exceed */ years or half the remaining life,
whichever is sooner. . at intervals not to exceed years or half the remaining life, whichever is sooner. $. only when corrosion rates exceed mils per year. 2. optionally. !orrect "nswer# $ 1. Inspection records contain the following information for a particular thickness measurement location &T:;( in a return bend#
Thickness
/.//
/
/.2
/.2//
*/
=n the basis of the information above, the long5term corrosion rate for the location is# * . * 6 mils per year. . mils per year. $. */ mils per year. 2. *// mils per year. !orrect "nswer# $ >. %hich of the following defines the term hold point) *. " pipe hanger that utili?es springs and sliding shoes to accommodate expansion and contraction . " dog welded onto piping and used to align joints prior to welding $. " point beyond which work may not proceed until inspections have been performed and documented 2. " trunnion, gimbal, or sliding shoe used for piping support systems !orrect "nswer# 2 . eat treatment is required for all thicknesses of piping over 6 inch for which of the following materials) *. - 8os. * and . - 8os. * and $ $. - 8os. and $ 2. - 8os. 2 and !orrect "nswer# * I. " welder has made 9:"% groove welds, but the guided bend test for the welderAs qualification was never performed. In order to avoid
cutting out all of the production welds made by this welder, which of the following minimum steps would be taken to validate the qualification) * . Badiograph the welderAs first production weld and accept the qualification based on acceptable weld quality by radiography. . There is no alternative to qualifying a welder by the guided bend test. $. ave the welder prepare a test coupon and have the bend test done on that. 2. Badiograph all welds, regardless of the governing specifications for sample selection.
