Nickel is magnetic.

The quiz consists of 10 questions (2.5 points each) . You will have unlimited attempts to get your best score, the highest score will be kept.

Acrylic is a better material for manufacturing car headlights than glass

What is anisotropy in a material? 

Epoxy resin is a thermoplastic

Rubies are used in CMM probes because it is the hardest natural material and will not deform and mess up the measurements.

Diamonds have ionic bonds

Classify the triangle connecting the points P(-1,3,1)P(-1,3,1), Q(1,-1,4)Q(1,-1,4), and R(0,5,3)R(0,5,3) as right, acute, or obtuse. Do this by finding the angles between each pair of sides.

Suppose a material (non-composite) has an ultimate strength of 150 MPa and a yield strength of 80 MPa, what does this imply about the material?

In steel making, what is the purpose of adding calcium carbonate to the iron?