Which of these cast iron would allow the greatest amount of plastic deformation before fracture . Nodular cast iron Grey cast iron White cast iron None of them can be worked. If the diameter of steel specimen stretched by tension load is doubled , then it’s tensile strength will be Halved Remain unaffected Doubled Become four times Temperature is proportional with Percent of elongation Tensile strength Modulus of elasticity All above
Which of these cast iron would allow the greatest amount of plastic deformation before fracture . Nodular cast iron Grey cast iron White cast iron None of them can be worked. If the diameter of steel specimen stretched by tension load is doubled , then it’s tensile strength will be Halved Remain unaffected Doubled Become four times Temperature is proportional with Percent of elongation Tensile strength Modulus of elasticity All above
Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter8: Engineering Materials
Section: Chapter Questions
Problem 8.5P: The frame of a space shuttle type vehicle must have a high yield strength and high stillness, and...
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Which of these cast iron would allow the greatest amount of plastic deformation before fracture .
Nodular cast iron
Grey cast iron
White cast iron
None of them can be worked.
If the diameter of steel specimen stretched by tension load is doubled , then it’s tensile strength will be
Halved
Remain unaffected
Doubled
Become four times
Temperature is proportional with
Percent of elongation
Tensile strength
Modulus of elasticity
All above
The tensile strength of a steel specimen that have a 182 HB , equals to
490 MPa
910 MPa
627 MPa
Not given
Compacted iron contains carbon in form of
Nodules
Cementite
Flacks
Not given
The most ductile structure is
Pearlitic matrix with flaky graphite
Pearlitic matrix with vermicular graphite
Pearlitic matrix with nodular graphite
Ferritic matrix with flaky graphite
The maximum damping vibration resulting when graphite has been as
Rosettes
Nodules
Wormy-like
Flacks
The percent of elongation of materials is a function of
Diameter of testing specimen
Gauge length of the testing specimen
Geometry of the specimen
All above
The hardness specified by 70HR 30N representing
Brinell hardness of 70 at 30N scale
Rockwell hardness of 30 at N scale
Superficial Rockwell hardness of 70 at 30N scale
Rockwell hardness of 70 at 30N Scale
Which of the following have higher compressive strength
Compacted iron
White iron
Grey iron
Ductile iron
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