A. Non-crystalline solid
B. Crystalline
C. Rubbery
D. Non-crystalline organic polymeric
Related Mcqs:
- Visco-elastic behaviour of materials which is time dependent is common in______________?
A. Plastics
B. Crystalline solid
C. Non-crystalline solids
D. Non-crystalline organic polymer - 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 - An elastic behaviour of materials is expressed in terms of_______________?
A. Hysteresis loop area
B. Stress-strain curve
C. Relaxation time
D. None of these - The ability of a material to absorb energy in the elastic range is a measure of its __________________?
A. Toughness
B. Resilience
C. Malleability
D. Brittleness - Which of the following is the most elastic material ?
A. Plastic
B. Glass
C. Steel
D. Rubber - Common house hold glass (i.e., soda-lime glass) is a/an _____________ material?
A. Fully crystalline
B. Partly crystalline
C. Amorphous
D. None of these - The malleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the maximum malleability ?
A. Lead
B. Copper
C. Aluminium
D. Wrought iron - Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the ______________ stress?
A. Ultimate
B. Yield point
C. Proof
D. None of these - Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the__________________?
A. Ultimate tensile strength (U.T.S.)
B. Endurance limit
C. Elastic limit
D. None of these - Materials having _____________ lattice structure are usually most ductile?
A. FCC
B. BCC
C. HCP
D. Cubic
