cswip paper 2

Welding Inspection:

Multi-Choice Questions

Paper 2

(Rev. 2)

Please return this paper unmared unmared 1.

Deflection of the arc arc by magnetic magnetic forces, that that can make make welding difficult to to control, is commonly known as ...... A B C D

2.

Which Which of the following following elect electrode rodess is classif classified ied to BS E E !"" # # B ' D

&.

it is wasteful the rod diameter be too large the "el "eld metal compositio ition n ma+ !e "rong the rod is too short

9or 07+ 07+ welding welding,, what benef benefit it does does a current current slo-e slo-e*out *out de/ice de/ice ha/e ha/e # A ' ' D

).

lack of inter*run fusion a reduction in #* toughness lack of sidewall fusion all of the abo/e

8ou notice that A electrodes, with with the flu4 co/ering remo/ed, are are being used used as filler filler rods for for 07+ welding. welding. 0his should not be allowed because ........ A B C D

(.

!asic ce cellulosic an and ru rutile neutral, cellulosic an and ru rutile basic, cellulosic and neutral rutile, low hydrogen and basic

A W3S may s-ecify a ma4imum width for indi/idual weld weld beads 5the 5the wea/e width6 width6 when welding '*n '*n steels. 7f the width is e4ceeded it may cause ..... A ' ' D

$.

rutile cellulosic high reco/ery rutile all of the abo/e

0he three three main main ty-es ty-es of A elect electrode rodess used for for welding welding '  '*n '*n steels steels are are ....... ......... # B ' D

.

$ %& % R   E $%1& E (%1) * + E 1 && B

Which Which of ty-e of electro electrode de is used for sto/e* sto/e*-i-e -i-e welding welding for for o/erland o/erland -i-eline -i-eliness constructi construction on # A ' ' D

!.

arc initiation arc misalignment arc !lo" arc constriction

it reduces 0ungsten s-atter   it re reduces th the ri ris o, o, cr crater cr cracing it reduces the risk of arc strikes it reduces the inter-ass tem-erature

Which Which ty-e of -ower -ower source charac characteri teristic stic is normal normally ly used for for manual weldi welding# ng# A B C D

constant /oltage flat ch characteristic constant current a motor generator  

0W7 orth, iddlesbrough

1

Welding Inspection:

Multi-Choice Questions

Paper 2

(Rev. 2)

Please return this paper unmared ".

7n A welding, -enetration is -rinci-ally controlled by ........ A B ' 

arc /oltage welding s-eed ferro*silicon in the electrode coating current

1%. 3i-e bores of some materials must be -urged with Argon before and during 07+ welding in order to ...... A B C D

-re/ent linear -orosity -re/ent burn*through prevent oidation o, the root !ead eliminate moisture -ick*u- in the root bead

11. 0he chemical com-osition of the weld metal de-osited by a '*n steel A electrode is usually controlled by .. A ' ' D

the core wire com-osition additions in the ,lu coating iron -owder in the flu4 coating dilution from the base material

12. Silicon is added to steel, and the co/ering of A electrodes, in order to gi/e ......... # B ' D

deoidation im-ro/e strength im-ro/e toughness more resistance to hydrogen cracking

1&. A fusible insert for 07+ welding hel-s to ........... A ' ' D

reduce -orosity give controlled root penetration a/oids the need for a back -urge all of the abo/e

1!. According to AWS 2.! a weld symbol for the other side is -laced ........ A B C D

abo/e the dashed line below the dashed line a!ove the solid line below the solid line

1. When low hydrogen A electrodes are s-ecified for what ty-e of co/ering will they ha/e # A B ' 

cellulosic rutile acid !asic

1$. A hydrogen controlled A electrode can always be recognised by the ........ # B ' D

$/ code letter (or #W0 code num!er) electrode length 0rade ame colour of the co/ering

0W7 orth, iddlesbrough

2

Welding Inspection:

Multi-Choice Questions

Paper 2

(Rev. 2)

Please return this paper unmared 1(. According to BS E 22& which of the following symbols re:uires weld toes to be smoothly blended on the ;other side # A

B

C

D

1). Which of the following units is used to e4-ress