Question 1

What term is used to describe a discontinuity that is caused by slag trapped in the metal during manufacturing?

Accepted Answer

A)   Delamination
B)   Lamination
C)   Lamellar tear
D)   Linear slag inclusionsE) All of the above
F) B) and D)

Question 2

Explain how ultrasound can be used for weld inspection.

Accepted Answer

Sound is directed into the part with a p...

Question 3

The two methods used in product quality control are ____ testing.

Accepted Answer

A)   mechanical and nondestructive
B)   destructive and visual inspection
C)   mechanized and destructive
D)   mechanical and destructiveE) A) and B)
F) B) and C)

Question 4

____ is/are nonmetallic materials trapped in the weld metal, between weld beads, or between the weld and the base metal.

Accepted Answer

A)   Porosity
B)   Inclusions
C)   Incomplete fusion
D)   LaminationsE) A) and B)
F) All of the above

Question 5

What units are used to record the energy required to break the specimen in an Izod test?

Accepted Answer

A)   Pounds per square inch
B)   Pounds per square inch gauge pressure
C)   Inches of water pressure
D)   Foot-poundsE) All of the above
F) C) and D)

Question 6

What term is used to describe the fact that not enough filler metal was added to the weld groove?

Accepted Answer

A)   Low-weld bead
B)   Under welding
C)   Underfill
D)   Inadequate welding filler metalE) C) and D)
F) B) and C)

Question 7

The E7018 electrode should not be weaved wider than ____ times the electrode diameter because very little shielding gas is produced.

Accepted Answer

A)   one and one-half
B)   two
C)   two and one-half
D)   threeE) A) and D)
F) C) and D) C

Question 8

The formula for the cross-sectional area of a specimen at the middle is ____.

Accepted Answer

A)   pi times the diameter
B)   pi times the radius
C)   pi times the diameter squared
D)   pi times the radius squaredE) B) and C)
F) C) and D) D

Question 9

With ____________________ testing all welds can be tested and the part can be used for its intended purpose.

Accepted Answer

The answer of With ____________________ testing all welds can be...

Question 10

In a free-bend test, the width of the specimen is ____ multiplied by the thickness of the specimen.

Accepted Answer

A)   0.5
B)   1.5
C)   2.5
D)   3.5E) A) and B)
F) A) and C)

Question 11

What can cause small localized hard spots on the metal surface?

Accepted Answer

A)   Too high of a welding current setting
B)   Arc strikes
C)   Slag popping
D)   Incorrect shielding gasE) B) and C)
F) None of the above

Question 12

What problem can be caused by improper joint fitup or not enough welding current?

Accepted Answer

A)   Inadequate joint penetration
B)   Cracks
C)   Lamellar tears
D)   Metallic inclusionsE) A) and C)
F) A) and D)

Question 13

Explain how eddy current inspection works.

Accepted Answer

This method is based upon magnetic induc...

Question 14

Using a(n) ____________________ is an alternative nonstandard way of looking at what is hidden beneath the surface of a weld.

Accepted Answer

oxyacetylene gouging torch

Question 15

In a fatigue test, the results are reported as ____.

Accepted Answer

A)   pounds per square inch
B)   number of stress cycles resisted without failure and total stress used
C)   number of stress cycles per square inch
D)   foot-pounds per square inchE) B) and C)
F) A) and D)

Question 16

Each code gives the ____ that changes a discontinuity to a defect.

Accepted Answer

A)   procedure
B)   correction
C)   tolerance
D)   flawE) A) and B)
F) None of the above

Question 17

The percent of elongation is found by ____.

Accepted Answer

A)   dividing the elongation by 100
B)   dividing the elongation by the gauge length and multiplying by 100
C)   dividing the gauge length by 100
D)   dividing the gauge length by the elongation and multiplying by 100E) All of the above
F) B) and D)

Question 18

The four wheels beneath a railroad car are referred to as a(n) ____________________.

Accepted Answer

The answer of The four wheels beneath a railroad car...

Question 19

Longitudinal 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 sum of the length of welds that ruptured
C)   dividing the maximum force by twice the width of the specimen
D)   dividing the maximum force by the sum of the length of welds that rupturedE) A) and B)
F) A) and C)

Question 20

In an alternate bend test, the specimen is bent ____ from the gauge lines through an angle of ____.

Accepted Answer

A)   away, 15 ° to 30 °
B)   away, 30 ° to 45 °
C)   toward, 15 ° to 30 °
D)   toward, 30 ° to 45 °E) A) and C)
F) A) and B)

Exam 25: Testing and Inspection

What term is used to describe a discontinuity that is caused by slag trapped in the metal during manufacturing?

Correct AnswerverifiedShow Answer

Explain how ultrasound can be used for weld inspection.

Correct AnswerverifiedSound is directed into the part with a p...View AnswerShow Answer

The two methods used in product quality control are ____ testing.

Correct AnswerverifiedShow Answer

____ is/are nonmetallic materials trapped in the weld metal, between weld beads, or between the weld and the base metal.

Correct AnswerverifiedShow Answer

What units are used to record the energy required to break the specimen in an Izod test?

Correct AnswerverifiedShow Answer

What term is used to describe the fact that not enough filler metal was added to the weld groove?

Correct AnswerverifiedShow Answer

The E7018 electrode should not be weaved wider than ____ times the electrode diameter because very little shielding gas is produced.

Correct AnswerverifiedC

The formula for the cross-sectional area of a specimen at the middle is ____.

Correct AnswerverifiedD

With ____________________ testing all welds can be tested and the part can be used for its intended purpose.

Correct AnswerverifiedShow Answer

In a free-bend test, the width of the specimen is ____ multiplied by the thickness of the specimen.

Correct AnswerverifiedShow Answer

What can cause small localized hard spots on the metal surface?

Correct AnswerverifiedShow Answer

What problem can be caused by improper joint fitup or not enough welding current?

Correct AnswerverifiedShow Answer

Explain how eddy current inspection works.

Correct AnswerverifiedThis method is based upon magnetic induc...View AnswerShow Answer

Using a(n) ____________________ is an alternative nonstandard way of looking at what is hidden beneath the surface of a weld.

Correct Answerverifiedoxyacetylene gouging torch

In a fatigue test, the results are reported as ____.

Correct AnswerverifiedShow Answer

Each code gives the ____ that changes a discontinuity to a defect.

Correct AnswerverifiedShow Answer

The percent of elongation is found by ____.

Correct AnswerverifiedShow Answer

The four wheels beneath a railroad car are referred to as a(n) ____________________.

Correct AnswerverifiedShow Answer

Longitudinal shearing strength is obtained by ____.

Correct AnswerverifiedShow Answer

In an alternate bend test, the specimen is bent ____ from the gauge lines through an angle of ____.

Correct AnswerverifiedShow Answer

Correct Answer
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Sound is directed into the part with a p...
View Answer

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C

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D

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This method is based upon magnetic induc...
View Answer

Correct Answer
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oxyacetylene gouging torch

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In an alternate bend test, the specimen is bent from the gauge lines through an angle of .

Correct Answer
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