A. Elasticity
B. Plasticity
C. Ductility
D. Malleability
Ans-: B
Q.2 The ability of a material to undergo Large per-manent deformation in tension i.e. material to be drawn into a wire known as
A. Ductility
B. Malleability
C. Machinability
D. Plasticity
Ans-: A
Q.3 A material , which can be only slightly defor-med without rupture is termed as _____.
A. Brittle material
B. Ductile material
C. Elastic material
D. Plastic material
Ans-: A
Q.4 A material which have ability to resist defor-mation under stress called ______ material.
A. Brittle
B. Ductile
C. Stiff
D. None of the above
And -: C
Q.5 Which of the following is the opposite term of plasticity?
A. Elasticity
B. Malleability
C. Ductility
D. Brittleness
Ans-: D
Q.6 The " factor of safety " is the ratio of ultimate strength of the material to the _______.
A. Strain
B. Allowable stress
C. Ultimate stress
D. Yield point
Ans-: B
Q.7 The ability of a material to deform and return to its original shape upon removal of the load is called?
A. Elasticity
B. Plasticity
C. Toughness
D. Stiffness
Ans-: A
Q.8 The property of the material which permits material to be beaten or rolled into thin sheets.
A. Toughness
B. Hardness
C. Malleability
D. Ductility
Ans-: C
Q.9 Which property of the material provide the ability to resist very small indentation , abrasion and plastic deformation ?
A. Hardness
B. Toughness
C. Brittleness
D. Stiffness
Ans-: A
Q.10 The ability to withstand high unit stress to-gether with great unit deformation without comp-lete fracture.
A. Hardness
B. Brittleness
C. Stiffness
D. Toughness
Ans-: D
Q.11 Cast iron is a _____ material .
A. Malleable
B. Brittle
C. Ductile
D. Plastic
Ans-: B
Q.12 Which of the following are not the ductile material?
A. Coper
B. Steel
C. Aluminum
D. Glass
Ans-: D
Q.13 Which of the following material is most elastic?
A. Rubber
B. Steel
C. Plastic
D. Glass
Ans-: B
Q.14 The material which exhibit the same elastic properties in all directions are called ?
A. Isentropic
B. Isotropic
C. Homogeneous
D. None of the other
Ans-: B
Q.15 The total strain energy stored in a body is termed as ____.
A. Toughness
B. Hardness
C. Resilience
D. Stiffness
Ans-: C
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