Related Questions

A material capable of undergoing large permanent deformation, when subjected to tension is termed as
A Friable
B Ductile
C Brittle
D None of these
Whenever some external system of forces acts on a body, it undergoes some deformation. As the body undergoes some deformation, it sets up some resistance to the deformation. This resistance per unit area to deformation, is called
A Strain
B Stress
C Pressure
D Modulus of elasticity
The deformation of a bar under its own weight compared to the deformation of same body subjected to a direct load equal to weight of the body is
A Same
B Double
C Half
D Four times
The deformation of a bar under its own weight is _________ the deformation, if the same body is subjected to a direct load equal to weight of the body.
A Equal to
B Half
C Double
D Quadruple
The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as
A Rigid
B Tough
C Ductile
D Plastic
Deformation drag, which is caused by widespread deformation of fluid around the immersed body
A Occurs when NRe is very small
B Is primarily a friction drag
C Is independent of body length
D Depends mainly on cross-sectional shape
A material is capable of resisting softening at high temperature, because of its property termed as
A Hot temper
B Hot hardness
C Fatigue
D Creep
When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced in the bar is
A Tensile stress
B Compressive stress
C Shear stress
D Thermal stress
A material capable of absorbing large amount of energy before fracture is known as
A Ductility
B Toughness
C Resilience
D Shock proof
Slow plastic deformation of metals under a constant stress is termed as __________ failure.
A Fatigue
B Endurance
C Creep
D None of these

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