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CWB 1 QUESTIONS AND ANSWERS RATED A+ 2024/2025
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CWB 1 QUESTIONS AND ANSWERS RATED A+ 2024/2025
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CWB 11. Which isn't always a encouraged technique for floor cleansing of a component for liquid
penetrant examination?
A) Cleaning with organic solvents.
B) Blasting with shot or dull sand.
C) Cleaning with de-greasers.
D) Use of de-scaling answers.
E) Ultrasonic cleansing techniques. - ANSb) Blasting with shot or dull sand.
2. Which of the subsequent weld defects is most in all likelihood to be missed by radiography in
a weld:
a) Undercutting.
B) Porosity.
C) Slag inclusions.
D) Cracking.
E) Burn via . - ANSd) Cracking.
3. In the picks given beneath, metallographic exams would be the least informative with
reference to the:
a) Presence of the non-metallic inclusions.
B) Grain structure inside the weld and fusion region.
C) Ability of the material to face up to repeated fluctuating loads.
D) Extent and structure of the heat affected quarter.
E) Number of weld passes. - ANSc) Ability of the material to face up to repeated fluctuating
loads.
4. In generating a drawing for a scale of one:50, what could be the distance represented with
the aid of a distance on
the drawing of 6 em?
A) 12 cm.
B) 30 cm.
C) 50 cm.
D) 240 cm.
E) three hundred cm. - ANSe) 300 cm.
Five. The mechanical take a look at used to determine the ability of a material to withstand
failure by way of brittle fracture
requires using:
a) A tensile check specimen.
B) A bend take a look at specimen.
C) A compression check specimen.
,D) An effect take a look at specimen.
E) A spectrographic take a look at. - ANSd) An effect check specimen.
6. The cooling fee of aT-joint is:
a) Less than that in a butt joint.
B) Greater than that during a butt joint.
C) Greater than that in a butt joint only wherein the carbon equivalent is high .
D) Greater on the mid-phase than at the start.
E) Greater on the mid-segment than at the finish. - ANSb) Greater than that in a butt joint.
7. What are slag and non-metallic inclusions commonly because of?
A) Moisture inside the weld joint.
B) High welding contemporary.
C) Loss of protective fuel.
D) Inadequate interpass cleansing. - ANSd) Inadequate interpass cleaning.
8. Where deviations from the drawings are warranted the inspector have to do which of the
subsequent?
A) Authorize approval of the adjustments.
B) Obtain authentic approval for the modifications.
C) Reject the paintings without any similarly attention.
D) Stop the paintings until drawing revisions were finished. - ANSb) Obtain authentic acclaim for
the adjustments.
9. With the perfect electrode, which of the subsequent welding processes can perform without
or with
a protective gasoline:
a) Electrogas welding manner.
B) Gas metallic arc welding procedure.
C) Flux cored arc welding manner.
D) Submerged arc welding procedure.
E) Pulsed gas metallic arc welding manner. - ANSc) Flux cored arc welding process.
10. If there may be insufficient penetration at the root of a double vee groove, which of the
following
statements exceptional defines the reason for this:
a) Groove attitude exceeds particular amount.
B) Root establishing too massive.
C) Groove depth too massive inflicting melt via on the second facet
d) Groove attitude is just too small.
E) Excessive plate thickness. - ANSd) Groove angle is just too small
eleven. The non-stop approach of magnetic particle inspection method:
a) Carrying out all of the steps in the procedure with out pause.
, B) Using DC modern-day.
C) Applying magnetic debris to the weld while the cutting-edge is flowing in the yoke.
D) Applying magnetic particle to the check floor whilst modern-day flows from one leg of the
yoke
via the cloth to the opposite leg of the yoke.
E) Precautions need to be taken to prevent over-magnetization of the cloth. - ANSc) Applying
magnetic particles to the weld whilst the modern is flowing in the yoke.
12. From the welding troubles identified underneath which one of the five does not suit the
pattern installed
through the other four?
A) Insufficient throat.
B) Incorrect bevel perspective.
C) Loss of protective fuel.
D) Improper fit up.
E) Use of incorrect consumable. - ANSa) Insufficient throat.
13. A 10 mm fillet weld has a nominal:
a) Throat measurement of 10 mm.
B) Area of 10 sq. Mm.
C) Leg length of 1 zero mm.
D) Face width of 10 mm. - ANSc) Leg length of one zero mm.
14. Which welding system has an arc drawn between the workpiece and the member being
welded to
it? 0
a) SAW.
B) CAW-G.
C) PAW.
D) EGW.
E) SW. - ANSe) SW.
15. When appearing liquid penetrant exam, excess penetrant removal comes and then one in
every of
the subsequent penetrant steps:
a) Application of developer.
B) Application of penetrant
c) Penetrant live time.
D) Final surface cleansing.
E) Drying of the cloth below test. - ANSc) Penetrant stay time
sixteen. Which of the following welding processes makes use of a non-consumable electrode?
A) GMAW.
B) GTAW.
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