API-570無料問題集「API Piping Inspector」

質問 1

What is the prescribed alignment for the inside surfaces of circumferential welds to be groove welded?

（A）Within the dimensional limits in the WPS

（B）The fabricator's discretion

（C）? 1/32"

（D）? 1/16"

正解：A 解答を投票する

質問 2

The type of joints generally limited to piping in non critical service NPS 2 and smaller is.

（A）clamped

（B）brazed

（C）butt welded

（D）threaded

正解：D 解答を投票する

質問 3

Why should a leaking threaded joint not be tightened while the system is in service?

（A）Rust or corrosion might be holding the pressure

（B）A crack in a thread root might fail

（C）The craftsman should not be near the threaded connection

（D）The joint might be unscrewed

正解：B 解答を投票する

質問 4

To evaluate the effects of fire damage, an assessment should be performed in accordance with____.

（A）API RP 2207 Section 2

（B）API 598, Section 1

（C）API RP 579, Section 11

（D）ASME 816.5

正解：C 解答を投票する

質問 5

A leak test was performed on a buried piping system. The system was re pressured to 125 psi four hours into the test. Sometime during the final four hours, the gauge fell 5

（A）The piping system failed.

（B）The piping system passed

（C）The test must be repeated

（D）The piping system must be visually inspected

正解：B 解答を投票する

質問 6

What is the design thickness of NPS 2 ½, SA106 Gr.B pipe that operates at 25 psi / 200°F

（A）0.275"

（B）not enough information given

（C）0.100"

（D）0.002"

正解：D 解答を投票する

質問 7

Lower levels of soil resistivity are:

（A）More corrosive than higher resistivity soils

（B）Less corrosive than higher resistivity soils.

（C）Has no effect on corrosion.

（D）More desirable because of increased electrolyte.

正解：A 解答を投票する

質問 8

What is the working pressure of a 150 Ib. flange, SA 350 Gr.LF6 CL 1, used at 400°F?

（A）200 psig

（B）230 psig

（C）170 psig

（D）140 psig

正解：A 解答を投票する

質問 9

The repair organization shall use welders and welding operators qualified in accordance with the code to which the piping was built or alternatively_____.

（A）ASME Section V

（B）ASME B 31.3

（C）API 1104

（D）AWS D 1.1

正解：B 解答を投票する

質問 10

What is the root face limitation as listed on the attached WPS and PQR

（A）3/32"

（B）No limit

（C）1/8"

（D）Not designated

正解：D 解答を投票する

API-570 無料問題集「API Piping Inspector」

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