Question 1

____________________ inclusions can resemble porosity, but, unlike porosity, they are generally not spherical.

Accepted Answer

The answer of ____________________ inclusions can resemble porosity, but, unlike...

Question 2

Tensile strength is determined by ____.

Accepted Answer

A)   dividing the maximum load by the original cross-sectional area of the specimen at the middle
B)   multiplying the maximum load by the original cross-sectional area of the specimen at the middle
C)   dividing the original cross-sectional area by the maximum load
D)   the diameter squared times 0.785E) C) and D)
F) B) and D)

Question 3

Which of the following is true of penetrant inspection?

Accepted Answer

A)   There are two types penetrants used: color contrast, and fluorescent.
B)   It is a form of destructive testing.
C)   It requires the use of an X-ray machine.
D)   Protective eyewear should be worn to prevent serious burns from the acid used.E) C) and D)
F) B) and C)

Question 4

Arc strikes will always appear when an acid ____________________ is used.

Accepted Answer

The answer of Arc strikes will always appear when an...

Question 5

____________________ or destructive testing may be used in a random sample testing procedure in mass production.

Accepted Answer

The answer of ____________________ or destructive testing may be used...

Question 6

Explain the causes for lamellar tears and how they can be prevented.

Accepted Answer

Lamellar tears appear as cracks parallel...

Question 7

The acceptance criteria for all inspections are based on______________.

Accepted Answer

A)   the federal government's requirements from the Bureau of Standards
B)   internationally accepted codes and standards
C)   local and state building code requirements
D)   welding engineers' reports and recommendationsE) A) and B)
F) A) and C)

Question 8

A ____ is an interruption in the typical structure of the weld, whereas a ____ is a flaw which renders the part unable to meet minimum acceptance standards.

Accepted Answer

A)   tolerance, flaw
B)   tolerance, discontinuity
C)   failure, discontinuity
D)   discontinuity, defectE) A) and B)
F) A) and C)

Question 9

____ is a groove melted into the base metal adjacent to the weld toe or weld root and left unfilled by weld metal.

Accepted Answer

A)   Arc strike
B)   Crater crack
C)   Cold lap
D)   UndercutE) All of the above
F) A) and C)

Question 10

In a free-bend test, each corner lengthwise should be rounded in a radius not exceeding ____ the thickness of the specimen.

Accepted Answer

A)   1/2
B)   1/4
C)   1/8
D)   1/10E) B) and C)
F) All of the above

Question 11

Which test is done on specimens that are at a specific temperature?

Accepted Answer

A)   Izod
B)   Charpy
C)   Acid
D)   Nick-breakE) A) and C)
F) All of the above

Question 12

What causes crater cracks and how can they be prevented?

Accepted Answer

Crater cracks are the tiny cracks that d...

Question 13

Transverse shearing strength is obtained by ____.

Accepted Answer

A)   dividing the maximum force by the width of the specimen
B)   multiplying the maximum force by the length of the ruptured weld
C)   dividing the maximum force by twice the width of the specimen
D)   dividing the maximum force by the length of the ruptured weldE) A) and B)
F) All of the above

Question 14

When using hydrochloric acid in an etch test, the welds are immersed in the reagent ____.

Accepted Answer

A)   at room temperature
B)   at or near freezing
C)   at or near boiling temperature
D)   at 100 degrees FahrenheitE) B) and C)
F) A) and D)

Question 15

____________________ has the capacity to etch rapidly and should be used on polished surfaces only.

Accepted Answer

The answer of ____________________ has the capacity to etch rapidly...

Question 16

What is the most frequently used nondestructive test?

Accepted Answer

A)   Visual inspection
B)   Penetrant inspection
C)   Magnetic particle inspection
D)   Radiographic inspectionE) B) and D)
F) C) and D)

Question 17

In a(n) ____________________ test, two specimens are prepared and tested, one face bend and one root bend.

Accepted Answer

The answer of In a(n) ____________________ test, two specimens are...

Question 18

____________________ testing is used to determine how well a weld can resist repeated fluctuating stresses or cyclic loading.

Accepted Answer

The answer of ____________________ testing is used to determine how...

Question 19

____ result(s)  when gas that was dissolved in the molten weld pool forms bubbles that are trapped as the metal cools to become solid.

Accepted Answer

A)   Porosity
B)   Inclusions
C)   Incomplete fusion
D)   LaminationsE) All of the above
F) None of the above

Question 20

What type of discontinuity can be expected if prior welds were improperly cleaned?

Accepted Answer

A)   Porosity
B)   Inclusions
C)   Overlap
D)   UndercutE) None of the above
F) A) and B)

Exam 25: Testing and Inspection

Arc strikes will always appear when an acid ____________________ is used.

Correct AnswerverifiedShow Answer

What type of discontinuity can be expected if prior welds were improperly cleaned?

Correct AnswerverifiedShow Answer

____________________ inclusions can resemble porosity, but, unlike porosity, they are generally not spherical.

Correct AnswerverifiedShow Answer

Tensile strength is determined by ____.

Correct AnswerverifiedShow Answer

____________________ has the capacity to etch rapidly and should be used on polished surfaces only.

Correct AnswerverifiedShow Answer

When using hydrochloric acid in an etch test, the welds are immersed in the reagent ____.

Correct AnswerverifiedShow Answer

Which of the following is true of penetrant inspection?

Correct AnswerverifiedShow Answer

Which test is done on specimens that are at a specific temperature?

Correct AnswerverifiedShow Answer

In a(n) ____________________ test, two specimens are prepared and tested, one face bend and one root bend.

Correct AnswerverifiedShow Answer

A ____ is an interruption in the typical structure of the weld, whereas a ____ is a flaw which renders the part unable to meet minimum acceptance standards.

Correct AnswerverifiedShow Answer

In a free-bend test, each corner lengthwise should be rounded in a radius not exceeding ____ the thickness of the specimen.

Correct AnswerverifiedShow Answer

____ is a groove melted into the base metal adjacent to the weld toe or weld root and left unfilled by weld metal.

Correct AnswerverifiedShow Answer

Transverse shearing strength is obtained by ____.

Correct AnswerverifiedShow Answer

____________________ testing is used to determine how well a weld can resist repeated fluctuating stresses or cyclic loading.

Correct AnswerverifiedShow Answer

____________________ or destructive testing may be used in a random sample testing procedure in mass production.

Correct AnswerverifiedShow Answer

____ result(s) when gas that was dissolved in the molten weld pool forms bubbles that are trapped as the metal cools to become solid.

Correct AnswerverifiedShow Answer

Explain the causes for lamellar tears and how they can be prevented.

Correct AnswerverifiedLamellar tears appear as cracks parallel...View AnswerShow Answer

What is the most frequently used nondestructive test?

Correct AnswerverifiedShow Answer

The acceptance criteria for all inspections are based on______________.

Correct AnswerverifiedShow Answer

What causes crater cracks and how can they be prevented?

Correct AnswerverifiedCrater cracks are the tiny cracks that d...View AnswerShow Answer

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A is an interruption in the typical structure of the weld, whereas a is a flaw which renders the part unable to meet minimum acceptance standards.

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Lamellar tears appear as cracks parallel...
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Crater cracks are the tiny cracks that d...
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