API-570無料問題集「API Piping Inspector」

質問 1

A transverse crack was discovered in the root pass of a completed weld on the outside of a Category D Fluid Service piping system during a PT test.
Which of the following," statements is most accurate?

（A）The PT test should be repeated

（B）The welder should be requalified

（C）The weld is acceptable

（D）The PT test will not show this type of discontinuity from the outside

正解：D 解答を投票する

質問 2

More than one contractor, manufacturer or installer may simultaneously qualify a welder. In such case, each participating organization shall be represented by during the test.

（A）The welder's supervisor

（B）A responsible employee

（C）A welding engineer

（D）A certified welding inspector

正解：B 解答を投票する

質問 3

The weld ripples of reinforcement of butt-welded joints shall be before radiography.

（A）ground flush, with grinding direction parallel to the weld

（B）removed

（C）removed if irregularities mask discontinuities

（D）ground flush, with grinding direction perpendicular to the weld

正解：C 解答を投票する

質問 4

Where should the numbers be placed on a radiograph?

（A）Under the film

（B）On the material being radiographed

（C）Under the material being radiographed

（D）On the film source pack

正解：B 解答を投票する

質問 5

Who is authorized to make a tack weld?

（A）A qualified welder

（B）The welding foreman

（C）A fitter

（D）A helper

正解：A 解答を投票する

質問 6

Without the benefit of an impact test, what is the minimum operating temperature for A-106 Grade B material used in a Category D Fluid Service?

（A）-20°F

（B）-29°F

（C）0°F

（D）-20°C

正解：A 解答を投票する

質問 7

Which of the following methods can be used to join cast iron pipe?

（A）Welding

（B）Compression

（C）Epoxy resin

（D）Bell and spigot

正解：D 解答を投票する

質問 8

Bolts should extend during the installation of flanged connections.

（A）at least 0.5 inches (12.7 mm) past their nuts

（B）completely through their nuts

（C）two threads past their nuts

（D）only half way through their nuts

正解：B 解答を投票する

質問 9

What is the maximum thickness measurement inspection interval for an injection point?

（A）10 years

（B）3 years

（C）5 years

（D）By Class

正解：B 解答を投票する

質問 10

Penetrameters are normally placed on the side of the part being examined.

（A）reverse

（B）source

（C）weld

（D）film

正解：B 解答を投票する

API-570 無料問題集「API Piping Inspector」

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