weld 20 test 6-11-12

39問 • 1年前

ユーザ名非公開

通報

問題一覧

Which of the following statements is true?

Groove welds can be combined with fillet welds to maintain strength.

Open-root weld coupons generally have a bevel angle of --•

30 degrees

Welding codes typically allow the root face on open-root groove welds to be within a range of

0 to 1/8" (0 to 3.2 mm)

When preparing to tack weld an open root V-groove weld coupon, align the beveled strips on a flat surface with a

0' to 1/8" (0 to 3.2 mm) root opening

When making an open-root V-groove weld, the hole made when the two root faces of two plate edges are melted away by the arc is called an

keyhole

When the plates are vertical and the axis of the weld is also vertical, the code for this position of groove weld is-

When making weave beads on flat open-root V-groove welds, keep the electrode work angle at 90 degrees to the plate surface with a -

10-to 15-degree angle

To control the weld puddle when welding and open-root V-groove in the horizontal position, the electrode work angle can be__.

Dropped up to 10 degrees

When practicing horizontal open-root V-grooves welds, pay particular attention at the termination of the weld to fill the _

Crater

For better puddle control when welding open-root V-groove welds in the 3G position,_

Set the amperage to the lower part of the allowable range

Which section of the ASME Boiler and Pressure Vessel Code contains the specifications for acceptable ferrous (Part A) and nonferrous (Part B) base metals?

The minimum requirements for the design, materials, fabrication, erection, testing, and inspection of various types of piping systems are covered by -

ASM E B31

If you are directed to perform a weld for which you are not qualified, you should

try to resolve the matter with your immediate supervisor

Which of the following is considered a nonessential variable for a welding performance qualification

travel speed

The presence of voids or empty spots in the weld metal is called

porosity

The type of porosity in which the weld exhibits a localized grouping of pores is known as

clustered porosity

The type of weld discontinuity referred to as wormholes is

piping porosity

One method of reducing weld metal cracking is to use

low-hydrogen electrodes

Dross from flame cutting, if not removed, is likely to cause

porosity

Dimensional accuracy of a weld is checked by

radiography

A vacuum box is used to check for __

leaks

The test method shown in Review Question Figure 2 is the

fillet weld break test

To properly prepare a test specimen, it is important to

remove any face or root reinforcement from the weldment

The nick-break test is a type of

soundness test

A typical AWS welder qualification test is a V-groove weld with metal backing in the 3G and 4G positions using an _____

F4 electrode

An ASME welder qualification that qualifies a welder to weld pipe in all positions and plate in all positions is ___

6G position test

Match the correct picture to the following discontinuity, linear porosity

Match the correct picture to the following discontinuity, Surface slag inclusion____

Match the correct picture to the following discontinuity, toe crack

Read

The portion of a joint where the two separate components to be welded are the closest to each other is called the ____

joint root

When preparing welding coupons for V-groove welds with backing, the backing should extend beyond the end of the coupons ____

1/4” (6.4mm)

Which of the following is an incorrect statement about running low-hydrogen electrodes?

You should always whip the electrode.

The V-groove weld with backing is a common weld normally made with ___

fast-fill electrodes

A way to eliminate the need for back goug-ing, and to quickly and effectively prepare a joint for welding, is to use

a backing weld run with E7018 electrodes

When using weave beads on flat V-groove welds, keep the electrode at a 10- to 15-degree drag angle and a work angle of

45 degrees

When practicing horizontal (2G) V-groove welding using stringer beads, the work angle should be___

45 degrees

When using stringer beads on V-groove welds in the vertical (3G) position, keep the electrode at a

90-degree push angle

Select

weld 20 mod 5-8-10 weld 24 midterm

ユーザ名非公開 · 41問 · 1年前

weld 20 mod 5-8-10 weld 24 midterm

weld 21 test 1,2,7

weld 21 test 1,2,7

weld 21 test 1,2,7 / wld 24 midterm

ユーザ名非公開 · 57問 · 11ヶ月前

weld 21 test 1,2,7 / wld 24 midterm

57問 • 11ヶ月前

ユーザ名非公開

問題一覧

Which of the following statements is true?

Groove welds can be combined with fillet welds to maintain strength.

Open-root weld coupons generally have a bevel angle of --•

30 degrees

Welding codes typically allow the root face on open-root groove welds to be within a range of

0 to 1/8" (0 to 3.2 mm)

When preparing to tack weld an open root V-groove weld coupon, align the beveled strips on a flat surface with a

0' to 1/8" (0 to 3.2 mm) root opening

When making an open-root V-groove weld, the hole made when the two root faces of two plate edges are melted away by the arc is called an

keyhole

When the plates are vertical and the axis of the weld is also vertical, the code for this position of groove weld is-

When making weave beads on flat open-root V-groove welds, keep the electrode work angle at 90 degrees to the plate surface with a -

10-to 15-degree angle

To control the weld puddle when welding and open-root V-groove in the horizontal position, the electrode work angle can be__.

Dropped up to 10 degrees

When practicing horizontal open-root V-grooves welds, pay particular attention at the termination of the weld to fill the _

Crater

For better puddle control when welding open-root V-groove welds in the 3G position,_

Set the amperage to the lower part of the allowable range

Which section of the ASME Boiler and Pressure Vessel Code contains the specifications for acceptable ferrous (Part A) and nonferrous (Part B) base metals?

The minimum requirements for the design, materials, fabrication, erection, testing, and inspection of various types of piping systems are covered by -

ASM E B31

If you are directed to perform a weld for which you are not qualified, you should

try to resolve the matter with your immediate supervisor

Which of the following is considered a nonessential variable for a welding performance qualification

travel speed

The presence of voids or empty spots in the weld metal is called

porosity

The type of porosity in which the weld exhibits a localized grouping of pores is known as

clustered porosity

The type of weld discontinuity referred to as wormholes is

piping porosity

One method of reducing weld metal cracking is to use

low-hydrogen electrodes

Dross from flame cutting, if not removed, is likely to cause

porosity

Dimensional accuracy of a weld is checked by

radiography

A vacuum box is used to check for __

leaks

The test method shown in Review Question Figure 2 is the

fillet weld break test

To properly prepare a test specimen, it is important to

remove any face or root reinforcement from the weldment

The nick-break test is a type of

soundness test

A typical AWS welder qualification test is a V-groove weld with metal backing in the 3G and 4G positions using an _____

F4 electrode

An ASME welder qualification that qualifies a welder to weld pipe in all positions and plate in all positions is ___

6G position test

Match the correct picture to the following discontinuity, linear porosity

Match the correct picture to the following discontinuity, Surface slag inclusion____

Match the correct picture to the following discontinuity, toe crack

Read

The portion of a joint where the two separate components to be welded are the closest to each other is called the ____

joint root

When preparing welding coupons for V-groove welds with backing, the backing should extend beyond the end of the coupons ____

1/4” (6.4mm)

Which of the following is an incorrect statement about running low-hydrogen electrodes?

You should always whip the electrode.

The V-groove weld with backing is a common weld normally made with ___

fast-fill electrodes

A way to eliminate the need for back goug-ing, and to quickly and effectively prepare a joint for welding, is to use

a backing weld run with E7018 electrodes

When using weave beads on flat V-groove welds, keep the electrode at a 10- to 15-degree drag angle and a work angle of

45 degrees

When practicing horizontal (2G) V-groove welding using stringer beads, the work angle should be___

45 degrees

When using stringer beads on V-groove welds in the vertical (3G) position, keep the electrode at a

90-degree push angle

Select