CWB 1
1. Which isn't a encouraged method for floor cleaning of a part for liquid penetrant examination?
A) Cleaning with organic solvents.
B) Blasting with shot or stupid sand.
C) Cleaning with de-greasers.
D) Use of de-scaling answers.
E) Ultrasonic cleansing strategies. - ANS-b) Blasting with shot or dull sand.
2. Which of the following weld defects is maximum likely to be overlooked by radiography in a
weld:
a) Undercutting.
B) Porosity.
C) Slag inclusions.
D) Cracking.
E) Burn thru . - ANS-d) Cracking.
3. In the alternatives given underneath, metallographic tests would be the least informative with
regard to the:
a) Presence of the non-metal inclusions.
B) Grain shape in the weld and fusion area.
C) Ability of the material to face up to repeated fluctuating masses.
D) Extent and shape of the heat affected area.
E) Number of weld passes. - ANS-c) Ability of the fabric to face up to repeated fluctuating
hundreds.
4. In generating a drawing for a scale of one:50, what might be the space represented by way of
a distance on
the drawing of 6 em?
A) 12 cm.
B) 30 cm.
C) 50 cm.
D) 240 cm.
E) 300 cm. - ANS-e) 300 cm.
5. The mechanical take a look at used to determine the potential of a material to withstand
failure via brittle fracture
requires using:
a) A tensile take a look at specimen.
B) A bend take a look at specimen.
,C) A compression test specimen.
D) An effect test specimen.
E) A spectrographic take a look at. - ANS-d) An effect test specimen.
6. The cooling charge 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 where the carbon equal is high .
D) Greater at the mid-phase than on the begin.
E) Greater at the mid-section than at the finish. - ANS-b) Greater than that during a butt joint.
7. What are slag and non-metal inclusions commonly resulting from?
A) Moisture in the weld joint.
B) High welding current.
C) Loss of protecting gasoline.
D) Inadequate interpass cleansing. - ANS-d) Inadequate interpass cleansing.
8. Where deviations from the drawings are warranted the inspector ought to do which of the
subsequent?
A) Authorize approval of the modifications.
B) Obtain professional popularity of the adjustments.
C) Reject the paintings without any similarly attention.
D) Stop the paintings until drawing revisions were finished. - ANS-b) Obtain legit approval for
the modifications.
Nine. With the best electrode, which of the following welding methods can perform with or
without
a protecting gas:
a) Electrogas welding procedure.
B) Gas metallic arc welding procedure.
C) Flux cored arc welding process.
D) Submerged arc welding procedure.
E) Pulsed gas steel arc welding technique. - ANS-c) Flux cored arc welding manner.
10. If there is inadequate penetration at the foundation of a double vee groove, which of the
subsequent
statements quality defines the cause for this:
a) Groove perspective exceeds exact quantity.
B) Root commencing too massive.
C) Groove depth too massive causing soften thru on the second facet
d) Groove angle is just too small.
E) Excessive plate thickness. - ANS-d) Groove angle is too small
eleven. The continuous technique of magnetic particle inspection means:
, a) Carrying out all the steps in the system with out pause.
B) Using DC current.
C) Applying magnetic debris to the weld whilst the cutting-edge is flowing inside the yoke.
D) Applying magnetic particle to the take a look at surface at the same time as contemporary
flows from one leg of the yoke
via the material to the opposite leg of the yoke.
E) Precautions must be taken to save you over-magnetization of the cloth. - ANS-c) Applying
magnetic debris to the weld even as the current is flowing in the yoke.
12. From the welding troubles diagnosed beneath which one of the 5 does no longer healthy the
sample set up
with the aid of the other four?
A) Insufficient throat.
B) Incorrect bevel perspective.
C) Loss of protective fuel.
D) Improper match up.
E) Use of incorrect consumable. - ANS-a) Insufficient throat.
Thirteen. A 10 mm fillet weld has a nominal:
a) Throat measurement of 10 mm.
B) Area of 10 sq. Mm.
C) Leg length of one 0 mm.
D) Face width of 10 mm. - ANS-c) Leg length of one 0 mm.
14. Which welding method has an arc drawn among the workpiece and the member being
welded to
it? Zero
a) SAW.
B) CAW-G.
C) PAW.
D) EGW.
E) SW. - ANS-e) SW.
15. When performing liquid penetrant examination, excess penetrant removal comes after which
one among
the subsequent penetrant steps:
a) Application of developer.
B) Application of penetrant
c) Penetrant stay time.
D) Final surface cleaning.
E) Drying of the fabric beneath check. - ANS-c) Penetrant reside time
sixteen. Which of the subsequent welding processes uses a non-consumable electrode?
A) GMAW.
1. Which isn't a encouraged method for floor cleaning of a part for liquid penetrant examination?
A) Cleaning with organic solvents.
B) Blasting with shot or stupid sand.
C) Cleaning with de-greasers.
D) Use of de-scaling answers.
E) Ultrasonic cleansing strategies. - ANS-b) Blasting with shot or dull sand.
2. Which of the following weld defects is maximum likely to be overlooked by radiography in a
weld:
a) Undercutting.
B) Porosity.
C) Slag inclusions.
D) Cracking.
E) Burn thru . - ANS-d) Cracking.
3. In the alternatives given underneath, metallographic tests would be the least informative with
regard to the:
a) Presence of the non-metal inclusions.
B) Grain shape in the weld and fusion area.
C) Ability of the material to face up to repeated fluctuating masses.
D) Extent and shape of the heat affected area.
E) Number of weld passes. - ANS-c) Ability of the fabric to face up to repeated fluctuating
hundreds.
4. In generating a drawing for a scale of one:50, what might be the space represented by way of
a distance on
the drawing of 6 em?
A) 12 cm.
B) 30 cm.
C) 50 cm.
D) 240 cm.
E) 300 cm. - ANS-e) 300 cm.
5. The mechanical take a look at used to determine the potential of a material to withstand
failure via brittle fracture
requires using:
a) A tensile take a look at specimen.
B) A bend take a look at specimen.
,C) A compression test specimen.
D) An effect test specimen.
E) A spectrographic take a look at. - ANS-d) An effect test specimen.
6. The cooling charge 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 where the carbon equal is high .
D) Greater at the mid-phase than on the begin.
E) Greater at the mid-section than at the finish. - ANS-b) Greater than that during a butt joint.
7. What are slag and non-metal inclusions commonly resulting from?
A) Moisture in the weld joint.
B) High welding current.
C) Loss of protecting gasoline.
D) Inadequate interpass cleansing. - ANS-d) Inadequate interpass cleansing.
8. Where deviations from the drawings are warranted the inspector ought to do which of the
subsequent?
A) Authorize approval of the modifications.
B) Obtain professional popularity of the adjustments.
C) Reject the paintings without any similarly attention.
D) Stop the paintings until drawing revisions were finished. - ANS-b) Obtain legit approval for
the modifications.
Nine. With the best electrode, which of the following welding methods can perform with or
without
a protecting gas:
a) Electrogas welding procedure.
B) Gas metallic arc welding procedure.
C) Flux cored arc welding process.
D) Submerged arc welding procedure.
E) Pulsed gas steel arc welding technique. - ANS-c) Flux cored arc welding manner.
10. If there is inadequate penetration at the foundation of a double vee groove, which of the
subsequent
statements quality defines the cause for this:
a) Groove perspective exceeds exact quantity.
B) Root commencing too massive.
C) Groove depth too massive causing soften thru on the second facet
d) Groove angle is just too small.
E) Excessive plate thickness. - ANS-d) Groove angle is too small
eleven. The continuous technique of magnetic particle inspection means:
, a) Carrying out all the steps in the system with out pause.
B) Using DC current.
C) Applying magnetic debris to the weld whilst the cutting-edge is flowing inside the yoke.
D) Applying magnetic particle to the take a look at surface at the same time as contemporary
flows from one leg of the yoke
via the material to the opposite leg of the yoke.
E) Precautions must be taken to save you over-magnetization of the cloth. - ANS-c) Applying
magnetic debris to the weld even as the current is flowing in the yoke.
12. From the welding troubles diagnosed beneath which one of the 5 does no longer healthy the
sample set up
with the aid of the other four?
A) Insufficient throat.
B) Incorrect bevel perspective.
C) Loss of protective fuel.
D) Improper match up.
E) Use of incorrect consumable. - ANS-a) Insufficient throat.
Thirteen. A 10 mm fillet weld has a nominal:
a) Throat measurement of 10 mm.
B) Area of 10 sq. Mm.
C) Leg length of one 0 mm.
D) Face width of 10 mm. - ANS-c) Leg length of one 0 mm.
14. Which welding method has an arc drawn among the workpiece and the member being
welded to
it? Zero
a) SAW.
B) CAW-G.
C) PAW.
D) EGW.
E) SW. - ANS-e) SW.
15. When performing liquid penetrant examination, excess penetrant removal comes after which
one among
the subsequent penetrant steps:
a) Application of developer.
B) Application of penetrant
c) Penetrant stay time.
D) Final surface cleaning.
E) Drying of the fabric beneath check. - ANS-c) Penetrant reside time
sixteen. Which of the subsequent welding processes uses a non-consumable electrode?
A) GMAW.
