API-570無料問題集「API Piping Inspector」

質問 1

Besides ultrasonic instruments, what other method can be used to determine thickness measurements?

（A）AET

（B）MT

（C）ET

（D）RT

正解：D 解答を投票する

質問 2

Exemptions for preheating and post weld heat treatment must be approved by the____.

（A）repair procedure.

（B）applicable standard, API 570

（C）piping engineer

（D）inspector

正解：C 解答を投票する

質問 3

If the supporting PQR is used, are the P-no's correct on the attached WPS?

（A）Yes

（B）Could be if properly preheated

（C）No

（D）Not enough information

正解：C 解答を投票する

質問 4

What classification does the majority of unit process piping fall in to?

（A）Class 1

（B）Owner/user designated system

（C）Class 2

（D）Class 3

正解：C 解答を投票する

質問 5

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 6

The preheat zone shall extend beyond each edge of a pipe weld

（A）1"

（B）3T

（C）2T

（D）2"

正解：A 解答を投票する

質問 7

Excessive cyclic stresses that are well below the static yield strength of the material result in.

（A）failure cracking

（B）fatigue cracking

（C）creep cracking

（D）material failure

正解：B 解答を投票する

質問 8

The three well-known methods of determining soil resistivity are, soil bar, soil box and______.

（A）holiday pipe survey

（B）A-C Bridge

（C）six pin method

（D）Wenner (4-pin) method

正解：D 解答を投票する

質問 9

All proposed methods of design, execution, materials, welding procedures, examination and testing must be approved by the.

（A）inspector or piping engineer

（B）inspector only

（C）new construction contracts

（D）plant manager

正解：A 解答を投票する

質問 10

An area defined by a circle having a diameter not greater than 2 inches for a line diameter not exceeding 10 inches, in which thickness readings may be averaged is

（A）Test point

（B）WFMT

（C）Averaging point

（D）TML

正解：A 解答を投票する

API-570 無料問題集「API Piping Inspector」

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