Prepare API-577 Question Answers – API-577 Exam Dumps [Q59-Q81]

QUESTION 59
What increases when a welder increases the amperage?

QUESTION 60
For SMAW welding, the last number of the electrode identification identifies:

QUESTION 61
The simplest weldability tests are those that evaluate:

QUESTION 62
At least how far on each side of the weld should preheat be maintained?

QUESTION 63
When radiographic examination is used for welder qualification utilizing the GMAW-S process, the minimum length of the test coupon to be examined is:

QUESTION 64
Refer to the following diagram:

Item#1 represents:

QUESTION 65
Which of the following determines the necessity for preheat and postweld heat treatment?

QUESTION 66
When welding nickel alloys, it is important that:

QUESTION 67
The most common measure of weldability and susceptibility to hot cracking of austenitic stainless steels is the ferrite content of the weld metal. Which of the following ranges is the recommended minimum ferrite content of the weld metal needed to prevent cracking?

QUESTION 68
Which of the following transfer methods associated with GMAW is characterized by a highly directed stream of discrete drops that are accelerated by arc forces, and negligible spatter?

QUESTION 69
The carbon equivalent formula indicates:

QUESTION 70
Which term is used to describe a groove melted into the base metal adjacent to the weld toe or weld root and left unfilled by weld metal?

QUESTION 71
General awareness of metallurgy is important to the welding inspector because:

QUESTION 72
Hardness testing of production welds and the HAZ requires test areas to be:

QUESTION 73
One limitation of a shielded metal arc welding (SMAW) process is that:

QUESTION 74
Hot tapping and in-service welding should be carried out only with:

QUESTION 75
Which of the following is a hazard associated with in-service welding on a carbon steel pipe containing chlorine?

QUESTION 76
Which welding process has been associated most with lack of fusion with shop-fabricated piping?

QUESTION 77
Heating a round bar to an elevated temperature and then quenching one end is a test method to determine:

QUESTION 78
What is(are) the most appropriate action(s) to prepare an in-service carbon steel piping system that has been in caustic service for welding?

QUESTION 79
Eddy current can be used to measure the:

QUESTION 80
How much should each pass of the transducer overlap the previous path during a weld scan?

QUESTION 81
The direction of magnetic flux can be confirmed by the use of a: