Related Questions

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 property of a material which enables it to retain the deformation permanently, is called
A Brittleness
B Ductility
C Malleability
D Plasticity
Indicate which of the following material does not retain magnetism permanently.
A Soft iron
B Stainless steel
C Hardened steel
D None of the above
'Virtue is knowledge and Education is the main thing to acquire virtue' কার উক্তি?
A এরিষ্টটল
B ম্যাকাইভার
C প্লেটো
D রুজভেল্ট
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
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
The material which can be deformed permanently by heat and pressure is called a
A thermoplastic
B thermoset
C chemical compound
D polymer
The property of a material by virtue of which a body returns to its original, shape after removal of the load is called
A Plasticity
B Elasticity
C Ductility
D Malleability
Ability of a material to absorb energy in deformation in the plastic range is characterised as its
A Ductility
B Toughness
C Creep
D Resilience

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