API 570 memorize

Question 0

RT -

Double wall technique- single wall viewing

Answer 0

Requires at least three exposures for 360° coverage of a circumferential weld

Question 1

RT-

Preferred technique!

Answer 1

Single wall, but Requires access to both sides of the component.

Question 2

RT -

Double wall technique with double wall viewing

Answer 2

Requires at least 2 exposures at 360° coverage of the circumferential weld

Question 3

RT -

Double wall technique is limited to?

Answer 3

Outside diameters equal or less then 3 1/2 inches

Question 4

RT-

Whole type IQI’s are normally placed where?

Answer 4

Placed next to weld parallel to the weld

Question 5

RT-

Wire type IQI’s are placed where?

Answer 5

Perpendicular to the weld

Question 6

RT -

If a shim is used under a hole type IQI how many sides should be visible in the RT?

Answer 6

3 sides

Question 7

RT-

If an IQI just placed on a film side what letter should should appear?

Answer 7

“F” Near the IQI

Question 8

RT -

What are the film density limits for an IQI weld?

Answer 8

2.0 to 4.0

Question 9

RT-

When a hole type IQI is used what hole size should be visible in the radiograph?

Answer 9

2T

Question 10

RT-

A faint light B indicates what?

Answer 10

Backscatter radiation

Question 11

MT-

Prod spacing

Answer 11

Shall not exceed 8”

Question 12

MT-

Alternating current electromagnetic yoke shall have a lifting power of what?

Answer 12

10 LBS

Question 13

MT-

Direct-current or permanent yoke show have a lifting part of what?

Answer 13

40 LBS

Question 14

MT-

Each weight should be weighed with a scale from a reputable manufacture and stenciled with what?

Answer 14

Nominal weight prior to first use

Question 15

Direction of magnetization

Answer 15

At least two separate examination shall be performed on each area. During the second examination, the lines of magnetic flux shall be approximately perpendicular to those used in the first examination.

Question 16

MT-

Where should fluorescent magnetic particles be examined?

Answer 16

In a darkened area

Question 17

MT-

Blacklight intensity shall be measured with a black lighter light meter

Answer 17

With a minimum of 1000 micro watts on the surface of the part being examined