Chapter 6 Flashcards
The property of metal that describes their resistance to indentation is called A. Strength B. Toughness C. Hardness D. Ductility
C. Hardness
The property of metal that describes their ability to carry a load is A. Strength B. Toughness C. Hardness D. Ductility
A. Strength
Generally, as strength increases for carbon steels ,the ductility
A. Increases
B. Stays the same
C. Decreases
C. Decreases
The proper that describes the ability of a metal to deform when stressed is
A. Strength
B. Toughness
C. Hardness
D. Ductility
D. Ductility
The type of stress related to a metals behavior when the load is Applied in a cyclic manner is
A. Tensile
B. Hardness
C. Fatigue
D. Strength
C. Fatigue
The yield strength of a material it determined by
A. Impact testing B. Tensile testing C. Hardness testing D. The offset method E. B and D
E. B and D
B. Tensile testing
D. The offset method
Which metal properties are directly related
A. Strength and ductility
B. Strength and hardness
C. Ductility at toughness
D. B and C
D. B and C
B. Strength and hardness
C. Ductility and toughness
The ability of a metal to absorb energy is called
A. Strength
B. Ductility
C. Hardness
D. Toughness
D. Toughness
The metal property affected by the surface condition of the sample is
A. Tensile strength B. UTS C. Hardness D. Fatigue strength E. All of the above
E. All of the above
A. Tensile strength
B. UTS
C. Hardness
D. Fatigue strength
Which alloying element is generally considered to have the most pronounced
effect on the properties and performance of carbon steel
A. Magnesium
B. Chromium
C. Carbon
C. Carbon
Hydrogen in the molten weld metal can cause
A. Undercut B. Overlap C. Cracking D. Porosity E. C and D
E. C and D
C. Cracking
D. Porosity
Which property cannot be determined from a tensile test A. Ultimate Tensile Strength B. Percentage elongation C. Percentage reduction of area D. Impact strength
D. Impact strength
A metals ductility can be expressed as
A. Percent elongation
B. Percent reduction of area
C. Proportional limit
D. A and B
D. A and B
A. Percent elongation
B. Percent reduction of area
The point at which a metals behavior changes from elastic to plastic (onset of permanent deformation)
is referred to as
A. Yield strength
B. UST
C. Modulus of elasticity
A. Yield strength
The family of hardness tests that uses both a minor and major load is called
A. Brinell
B. Vickers
C. Rockwell
C. Rockwell
Which of the following tests are referred to as microhardness test
A. Rockwell
B. Vickers
C. Knoop
D. B and C
D. B and C
Vickers and Knoop
What type of test uses a weighted pendulum which strikes a notched test specimen
A. Fatigue test
B. Charpy impact test
B. Charpy impact test
Endurance limit is an expression used for what type of testing
A. Hardness
B. Fatigue
B. Fatigue
The metal property that relates to a metal’s deforming without failing is called
A. Tensile strength
B. Ductility
C. Toughness
B. Ductility
Which test is not considered a soundness test
A. Face bend
B. Root bend
C. Hardness
C. Hardness
The type of testing used to evaluate the type of microstructure present in a metal is called
A. Tensile
B. Hardness
C. Metallographic
C. Metallographic
Which of the following test can be used to judge the soundness of a weld
A. Nick break B. Side bend C. Face bend D. Fillet break E. All of the above
E. All of the above
A. Nick break
B. Side bend
C. Face bend
D. Fillet break
Which of the following test will generally be used to determine the behavior of a metal at a specific temperature
A. Guided bend test
B. Root bend test
C. Charpy impact test
C. Charpy impact test
The fillet weld break test is used to evaluate the
A. Impact strength of a weld
B. Tensile strength of the base metal
C. Quality of the fractured weld
C. Quality of the fractured weld
The welding inspector is not concerned with the mechanical and chemical properties of metals
A. True
B. False
B. False
Notch toughness and impact strength are not synonymous
A. True
B. False
Definition of synonymous
closely associated with or suggestive of something.
B. False
Hydrogen, oxygen, and nitrogen can all cause embrittlement in carbon steels.
A. True
B. False
A. True
Gauge marks on a tensile specimen are
A. Scratches caused by improper handling
B. Marks caused by using a gauge to measure sample area
C. Spaced a set distance apart
D. Used for calculating percent elongation
E. C and D above
E. C and D
Spaced a set distance
apart
Used for calculating percent elongation
The 'offset method' is used for determining which property A. Tensile strength B. Fatigue strength C. Yield strength
C. Yield strength
Surface preparation is not an important step in destructive testing
A. True
B. False
B. False
The Brinell hardness test is always a destructive test
A. True
B. False
B. False
In Charpy testing the test temperature is
A. Not important
B. Very important
B. Very important
In charpy testing the test data can be reported as
A. Foot-pounds energy absorbed
B. Lateral expansion
C. Percent shear
D. All of the above
D. All of the above
The object of the guided bend test is to break the sample
A. True
B. False
B. False
What does CFH mean in gas flow rate
A. Cubic feet per hour
B. Cubic feet per minute
A. cubic feet per hour