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
Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold
A 220 Ohm, 5%
B 220 Ohm, 10%
C 22,000 Ohm, 5%
D 22, 000 Ohm, 10%
E None of the above
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
Materials having __________ lattice structure are usually most ductile.
A F.c.c.
B B.c.c.
C H.c.p.
D Cubic
Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.
A Hexagonal close, packed (hcp)
B Face centred cubic (fcc)
C Body centred cubic (bcc)
D Simple cubic
Closeness of packing is maximum in case of __________ crystal lattice.
A Face centred
B Simple cubic
C Body centred
D None of these
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
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

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