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Engineering :: Engineering Materials


221.  Every material obeys the Hooke's law within
A. Elastic limit B. Plastic limit
C. Breaking limit D. Yield limit
E. Limit of proportionality    

222.  When elastic limit is reached
A. Tensile strain decreases in proportion to stress B. Tensile strain increases in proportion to stress
C. Tensile strain increases more quickly D. Tensile strain decreases more quickly
E. None of the above    

223.  Bainiti is a fine maxture of
A. ferrite and cementite B. cementitie and peoitite
C. pearlite and ferrite D. austenti and ferrite

224.  If a material has similar properties throughout its volume, it is said to be
A. Isotropic B. Isentropic
C. Continuous D. Uniform
E. Homogeneous    

225.  The property of metal when the recovery after unloading is complete but not instantaneous is
A. Elasticity B. Plsticity
C. Inelasticity D. An elasticity
E. Visco elasticity    

226.  The ability of material to absorb a large amount of energy is
A. Ductility B. Malleability
C. Toughness D. Resilience
E. Hardness    

227.  The property by which a body returns to its original shape after the removal to the load is called
A. Ductility B. Malleability
C. Softness D. Elasticity
E. Plasticity    

228.  The property of materials by which they can be drawn into wires is known as
A. Ductility B. Elasticity
C. Plasticity D. Malleability
E. Creep    

229.  The property of material by which it can be rolled into sheets is called
A. Plasticity B. Elasticity
C. Malleability D. Ductility
E. Creep    

230.  The phenomenon of materials in which slow extension of materials takes place with the time at constant load is known as
A. Plasticity B. Elasticity
C. Malleability D. Ductility
E. Creep    




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