CSWIP 3.1 Certification Exam Prep Test
- 1.During inspection of a fillet weld you notice slag in the toes of the weld. What action will you take?
- A.
As a fillet weld does not need to be strong, slag will not be a problem
- B.
Measure slag, if it is less than 3mm it will not be a problem
- C.
Have the welder to remove the slag in as this could mask any discontinuity
- D.
Tell the welder to leave the slag in as it will add strength to the fillet weld
- 2.Which is the most accurate method of ensuring that the correct preheat is applied
- A.
Measure it with heat sensitive crayon (tempil stick)
- B.
Using calibrated digital thermometer
- C.
Using heat treatment equipment with thermocouples attached and a chart recorder
- D.
Temperature measuring paint
- 3.For which of the following types of NDT does the term prod related?
- A.
Ultrasonic testing
- B.
Radiography testing
- C.
Penetrant testing
- D.
Magnetic particle testing
- 4.During root weld which of the following would be main cause lack of root penetration?
- A.
The root gap is too large in accordance with wps
- B.
Preheat was not used
- C.
The current is too low
- D.
Root face is too small
- 5.A weld all around symbol is not required when:
- A.
Indicating circumferential joint
- B.
Indicating a pipe to pipe butt weld
- C.
Indicating a nozzle to shell weld
- D.
All of the answers indicated
- 6.What are the three metal transfer modes when using MIG/MAG (GMAW):
- A.
Dip, drop, drag
- B.
Trailing, vertical, leading
- C.
Pulse, dip, flood
- D.
Dip, spray, pulse
- 7.Which of these statements is true concerning lamellar tearing?
- A.
As material gets thicker the ductility decreases
- B.
As material gets thicker the resistance to lamellar tearing improves
- C.
As material gets thicker the ductility improves
- D.
Thick material don't suffer from lamellar tearing
- 8.The similarities between EN ISO 22553 and AWS A2.4 in depicting welding symbols are:
- A.
Both have the same rule for depicting "weld all around"
- B.
Both have the same rule for depicting "other side"
- C.
Both have the same rule for depicting "sequence of operations"
- D.
Both have the same method
- 9.When would you measure the minimum preheat temperature?
- A.
On completion of each pass
- B.
Immediately prior to commencing the first pass and subsequent passes
- C.
When the welding is completed
- D.
Minimum preheat temperature measurement is only required if the heat input lower than the specified in WPS
- 10.A typical temperature for stress relieving carbon steel is:
- A.
100oC
- B.
200oC
- C.
600oC
- D.
900oC
- 11.When examining a completed macro test, the recorded hardness figures were 5HV points over the maximum permitted. what would your course of action be?
- A.
Apply for concession
- B.
Reject the whole procedure
- C.
Request a retest
- D.
Accept it is as only just over the permitted value
- 12.What does the term of wps mean?
- A.
Weld productivity specifications
- B.
Weld production scheme
- C.
Welding production specification
- D.
Work productivity standard
- 13.Due to the high heating effect in the electrode when TIG welding with AC it is usual that a tungsten electrode used for AC welding is?
- A.
Ground to a fine vertex angle of >30o before welding
- B.
Use straight from packet without any grinding
- C.
Lightly ground to a slight chamfer (corners only removed)
- D.
Use without grinding and baked at 300oC for an hour before use
- 14.Usually liquid penetrant is applicable at temperature range of approximately?
- A.
0oC - 100oC
- B.
-5oC - 90oC
- C.
-20oC - 60oC
- D.
5oC - 60oC
- 15.What heat treatment is used to create a high strength but brittle microstructure?
- A.
Quenching hardening
- B.
Normalizing
- C.
Annealing
- D.
Stress relieving
- 16.In the GMAW process the use of pulsed current usually result in between?
- A.
Globular transfer and dip transfer
- B.
Spray and globular transfer
- C.
Spray and dip transfer
- D.
None of the answer given are correct
- 17.According to AWS A2.4, where does the symbol go for welding on the arrow side?
- A.
Below solid line
- B.
Above solid line
- C.
Depend on the joint
- D.
Answer weld where the arrow is pointing
- 18.Which of the following defect are the most difficult to size correctly when ultrasonically testing a weld?
- A.
Isolated pore > 3mm diameter
- B.
Clustered porosity
- C.
Slag
- D.
Lack of root penetration
- 19.Slag line found in MMA welds are usually associated with:
- A.
The voltage being too low
- B.
The open circuit current being too high
- C.
Improper cleaning between weld runs
- D.
Low open circuit voltage
- 20.At what level is H2 considered to be more critical in cracking?
- A.
Less than 5ml/100gr of weld metal deposited
- B.
Between 5ml/100gr and 10ml/100gr of weld metal deposited
- C.
Between 5ml/100gr and 15ml/100gr of weld metal deposited
- D.
Over 15ml/100gr of weld metal deposited
- 21.In SAW at higher currents or in the case of multiple electrode system, AC is often preferred to:
- A.
Avoid the problem of lack of fusion
- B.
Avoid the problem of excess of penetration
- C.
Avoid the problem of arc blow
- D.
Avoid the problem of dilution
- 22.At what level is the hardness value a problem when trying to minimize the risk of HAZ cracking?
- A.
270 to 290 HV
- B.
300 to 350 HV
- C.
100 to 150 HV
- D.
160 to 200 HV
- 23.A transverse tensile test was carried out on a welding procedure. The cross sectional area was 30mm wide and 15mm thick. The maximum load applied was 170kN. What is the ultimate tensile strength value?
- A.
377 kN/mm2
- B.
377 N/mm2
- C.
300 N/mm2
- D.
600 N/mm2
- 24.The correct joint preparation is very important since it decides of the volume of weld metal. To be use high volume of weld metal deposited can?
- A.
Increased residual stress
- B.
Be useful since joint will have better strength
- C.
Give a longer service life
- D.
Give superior corrosion resistance
- 25.Which of the following types of imperfection is generally considered to be the most serious?
- A.
Surface breaking planar
- B.
Root concavity
- C.
Buried planar
- D.
Surface breaking non planar
Questions: 25 | Attempts: 48822 | Last updated: Nov 19, 2021
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