Engineering Materials

Which of the ff are two well-known nickel alloys with magnetic properties ideal for permanent magnets?

The Portland cement is manufacture from the ff elements except:

What gives the average ratio of stress to strain for materials operating in the nonlinear region in the stress strain diagram?

What test determines the hardenability of a steel specimen?

What steel relief process is used with hypoeutectoid steels to change martenite into pearlite?

What is another term for tempering?

All are steel surface hardening process except one

For metric wire gage, the No. 2 wire is _______ in diameter

Bus bars of rectangular cross section are generally used for carrying _______

What are used for interconnection on printed circuit boards?

Yellow brass is a copper alloy with improved mechanical properties but reduced corrosion resistance and electrical conductivity. How many percent of yellow brass is copper?

What type of copper alloy is used as collectors for electric generators?

What is the electrical resistivity of pure copper in µohm-cm?

What should be the resistivity in µohm-cm of a resistor material?

What is the most widely used dielectric material in the electrical and electronics industry?

What are the natural or synthetic rubberlike materials which have outstanding elastic characteristics?

What are cellular forms of urethanes, polystyrenes, vinyls, polyethylenes, polypropylenes, phenolics, epoxies, and a variety of other plastics?

What is the widely used electrical insulator?

What is the dielectric strength of an unimpregnated cellulose paper or kraft paper?

What is the most widely known carbide?