Related Questions

Three elastic constants for a completely anisotropic elastic material which follows the Hooke's law are young's modulus, elastic limit stress and yield stress. Which of the following properties is most sensitive to increase in strain rate ?
A Tensile strength
B Elastic limit
C Proportional limit
D Yield strength
A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?
A Steel
B Glass
C Rubber
D Brass
Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young's modulus, G = Modulus of rigidity or shear modulus v = Poisson's ratio)?
A E = 2G (1 + v)
B E = G (1 + v)
C $${\text{E}} = \frac{{{\text{G}}\left( {1 + {\text{v}}} \right)}}{2}$$
D E = 2G (1 + 2v)
All materials obey Hooke's law within elastic limit. When elastic limit is reached, the tensile strain
A Increases very quickly
B Decreases very quickly
C Increases in proportion to stress
D Decreases in proportion to stress
Elastic cartilage is not found in :
A Auricle of ear
B Epiphyseal plate of bone
C Auditroy tube
D Epiglottis
For each of these sentences, identify which quotation section is incorrect. Cotton fiber, 'alike' 'other' vegetable fibers, 'is composed' 'mostly' of cellulose.
A alike
B other
C is composed
D mostly
Sisal fibers extracted from-
A Sisal fibers extracted from
B leaf
C seeds
D fruits
Collagen fibers
A Appear banded when viewed in electron microscopy
B Are mainly responsible for the tensile strength of the tendons
C Contain considerable quantities of glycine
D Are produced by mast cells
E Are branched
The ventrolateral nucleus of the thalamus is an important synaptic site for fibers from the
A Cerebellum and basal ganglia
B Medial lemniscus
C Superior colliculus
D Amygdala and hypothalamus
E Thalamus
The following processes are brought about by activation of parasympathetic nerve fibers
A Defaecation
B Micturition
C Sweating
D Ejaculation of semen
E Dilatation of pupil

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