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Plastic deformation is recoverable while elastic deformation is irrecoverable.
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更多“Plastic deformation is recoverable while elastic deformation is irrecoverable.”相关的问题
第2题
A．cross linking occurs during deformation
B．oxidation occurs during deformation in air at room temperature
C．polymer chains tend to align themselves with the chain axis oriented along the direction of deformation
D．none of the above
第4题
Rapidly removing elastomeric impression materials will reduce()
A．permanent deformation
B．tear s~ength
C．setting time
D．syneresis
第5题
Elastic strain()
A．is strain thatpermanently remains,when the lvadcausing it is removed
B．occurs below the proportional limit
C．is also known as permammt deformation
D．none of the above
第6题
A．greater ductility
B．greater toughness
C．a higher modulus ofelasticity
D．more resistance to permanent deformation
第7题
Brittle materials have which of the following characteristics()
A．they undergo a lot of permanent deformation before fracturing
B．they tend to have a very ordered atomic structure
C．they respond poorly to tensile forces
D．A and B
第9题
A.when plastic becomes small enough to enter our food chain
B.because other animals are being killed by plastic
C.because plastic does not biodegrade
D.from plastic bags from supermarkets
第10题
A.plastic drum/gunny bag/wooden case
B.wooden case/plastic drum/gunny bag
C.wooden case/gunny bag/plastic drum
D.plastic drum/wooden case/gunny bag
