D3 Trivia

Question 1

metals are better than ceramics in terms of:
hardness, ductility, toughness, yield strength

Answer 1

ductility

Question 2

a material is said to be refractory if it is:

Answer 2

retains its strength at high temp

Question 3

What are the major classes of engineering materials?

Answer 3

Metals, ceramics, polymers, semiconductors and composites

Question 4

What types of materials behave like iron when placed in a magnetic field?

Answer 4

Ferromagnetic materials

Question 5

What is a combination of one or more metals with a nonmetallic element?

Answer 5

Ceramic

Question 6

The engineering materials known as “plastics” are more correctly called ____________.

Answer 6

Polymers

Question 7

Which cannot be used as biomaterials?
Metals, ceramics, polymers, NOTA

Answer 7

NOTA

Question 8

Polymers
-have high MW
-do not have a linear stress-strain curve
-have high strength to mass ratio
-AOTA

Answer 8

AOTA

Question 9

Polymers
-have high MW
-do not have a linear stress-strain curve
-have high strength to mass ratio
-AOTA

Answer 9

AOTA

Question 10

All are attributes of ceramics, except:
covalently bonded, low melting point, high stiffness, high hardness

Answer 10

low melting point

Question 11

All are not attributes of metals, except:
electrical insulators, thermal insulators, high melting points, ductile

Answer 11

ductile