Related Questions

If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value?
A Maximum principal stress theory
B Maximum shear stress theory
C Maximum strain energy theory
D Maximum distortion energy theory
Out of the following, the most ductile material is
A Mild steel
B Copper
C Nickel
D Aluminium
__________ test is the appropriate test to determine whether a material is ductile or brittle.
A Impact
B Cupping
C Hardness
D Tensile
Antonym of DUCTILE is-
A Docile
B Pliable
C Stiff
D Supple
DUCTILE
A DOCILE
B PLIABLE
C STFF
D SUPPLE
Plastic flow in ductile materials
A Increases the seriousness of static loading stress concentration
B Lessens the seriousness of static loading stress concentration
C Has no effect on it
D Depends on other considerations
Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities?
A Sulphur
B Phosphorus
C Manganese
D Silicon
The following types of materials are usually the most ductile
A Face centered cubic lattice
B Body centered cubic lattice
C Hexagonal close packed lattice
D All of the above
The ductile materials, during machining, produce
A Continuous chips
B Discontinuous chips
C Continuous chips with built up edge
D Either (A) or (C)
Materials having __________ lattice structure are usually the most ductile.
A Body centred cubic (bcc)
B Hexagonal close packed (hcp)
C Face centred cubic (fcc)
D None of these

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