11) The ratio of torque carrying capacity of solid shaft to that of a hollow shaft is given by
a) 1 – K4
b) (1 – K4)-1
c) K4
d) 1
12) The point of contra-flexure occurs only in
a) cantilever beam
b) overhanging beam
c) continuous beam
d) simply supported beam
13) The steel bards in reinforced cement concrete beam are located at
a) top
b) bottom
c) center
d) neutral axis
14) The product EI known as
a) selection modulus
b) modulus of rupture
c) flexural rigidity
d) polar modulus
15) Strain rosettes are used to
a) measure shear strain
b) measure linear strain
c) measure volumetric
d) relieve strain
16) The maximum principal stress theory is also known as
a) Beltrami’s theory
b) St. Venant’s theory
c) Rankine’s theory
d) Von Mises theory
17) The ratio of hoop stress to longitudinal stress in thin walled cylinders is
a) 1
b) ½
c) 2
d) ¼
18) In think spherical pressure vessels, the variation of the stresses is
a) Linear
b) Uniform
c) Parabolic
d) Cubic
19) What causes a short steel strut to fail ?
a) Fracture
b) Shearing
c) Buckling
d) Yielding
20) Music wire is concerned with
a) musical instruments
b) tuning forks
c) springs
d) measuring instruments
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