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What is the greatest advantage of radiographic inspection over ultrasonic inspection?
What is the greatest advantage of radiographic inspection over ultrasonic inspection?
Open 50At what level is H2 considered to be more critical in cracking?
At what level is H2 considered to be more critical in cracking?
Open 51What would the effect be if the polarity were changed from DC- to DC+ when MMA welding?
What would the effect be if the polarity were changed from DC- to DC+ when MMA welding?
Open 52Which of the following is not classed as a weld with backing?
Which of the following is not classed as a weld with backing?
Open 53Which of the following would you not need to check in a welding consumable?
Which of the following would you not need to check in a welding consumable?
Open 54Prior to production welding commencing you notice that the drawing has been revised and now includes a pipe with a wall thickness of 30 mm, WPB only covers wall thickness of 28mm,
Prior to production welding commencing you notice that the drawing has been revised and now includes a pipe with a wall thickness of 30 mm, WPB o...
Open 55Prior to commencing production welding using MAG you notice the earth clamp is in a very poor condition what would you do?
Prior to commencing production welding using MAG you notice the earth clamp is in a very poor condition what would you do?
Open 56Is it permissible to allow a welder to carry out MMA (SMAW) welding procedure test if he is not qualified?
Is it permissible to allow a welder to carry out MMA (SMAW) welding procedure test if he is not qualified?
Open 57You notice that a welder using an unapproved WPB for production welding, what course of action would you take?
You notice that a welder using an unapproved WPB for production welding, what course of action would you take?
Open 58During root welding which of the following would be the main cause of lack of penetration?
During root welding which of the following would be the main cause of lack of penetration?
Open 59You have noticed several times that a certain welder is having his welds rejected due to poor cap profile, what course of action would you follow?
You have noticed several times that a certain welder is having his welds rejected due to poor cap profile, what course of action would you follow...
Open 60During post weld heat treatment what is the sequence for the PWHT chart?
During post weld heat treatment what is the sequence for the PWHT chart?
Open 61You find out that contractor has carried the radiography as per the 10% contractual percentage required by the specification or code. The specification also insist that an addition
You find out that contractor has carried the radiography as per the 10% contractual percentage required by the specification or code. The specifi...
Open 62Weld decay is caused by the formation of a compound with carbon, the other element in this compound is
Weld decay is caused by the formation of a compound with carbon, the other element in this compound is
Open 63When examining a completed macro test the recorded hardness figures were 5HV points over the maximum permitted. What course of action would you take?
When examining a completed macro test the recorded hardness figures were 5HV points over the maximum permitted. What course of action would you t...
Open 64When using DC-VE polarity, what is the typical OCV?
When using DC-VE polarity, what is the typical OCV?
Open 65A post weld heat treatment may also be of benefit in minimizing the risk of weld decay, this heat treatment would be called
A post weld heat treatment may also be of benefit in minimizing the risk of weld decay, this heat treatment would be called
Open 66Which of the following defects are not associated with the MMA (BMAW) welding process?
Which of the following defects are not associated with the MMA (BMAW) welding process?
Open 67At what level hardness value a problem when trying to minimise the risk of hydrogen cracking
At what level hardness value a problem when trying to minimise the risk of hydrogen cracking
Open 68An arc strike on a high carbon steel plate is likely to have the following microstructure beneath its surface
An arc strike on a high carbon steel plate is likely to have the following microstructure beneath its surface
Open 69On general routine surveillance of the welding shop floor you notice a welder has completed a weld so you decide to quickly inspect it. The weld is still at the minimum preheat tem
On general routine surveillance of the welding shop floor you notice a welder has completed a weld so you decide to quickly inspect it. The weld...
Open 70An 80mm diameter pipe, 8mm wall thickness is to be radiographed using the double wall single image technique. The source to be used is iridium. Which of the following statements is
An 80mm diameter pipe, 8mm wall thickness is to be radiographed using the double wall single image technique. The source to be used is iridium. W...
Open 71While inspecting weld on a 100mm thick high carbon steel, you notice that the weld is visually acceptable, however the parent material has several arc strikes present adjacent to t
While inspecting weld on a 100mm thick high carbon steel, you notice that the weld is visually acceptable, however the parent material has severa...
Open 72What are the three metal transfer methods when using MIG?
What are the three metal transfer methods when using MIG?
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