Material science MCQ with Answers

36) German Silver contains

Answer is:

No silver

Explanation:

The usual formulation of German silver is 60% copper, 20% nickel and 20% zinc. German silver is named due to its silvery appearance, but it contains no elemental silver unless plated.

37) Monel metal is an alloy of

Answer is:

Nickel and copper

38) Nimonic contains

Answer is:

80 percent nickel, 20 percent chromium

39) The property of metal, by the virtue of which it can be drawn into wire is called

Answer is:

Ductility

Explanation:

Ductility is a property of a material enabling it to be drawn into wires.
Malleability is a property of a material enabling it to be drawn into thin sheets.

The property of metal, by the virtue of which it can be drawn into wire is called

40) Failure of a material below yield point stress due to repeated stresses is called

Answer is:

36) German Silver contains

No silver

37) Monel metal is an alloy of

Nickel and copper

38) Nimonic contains

80 percent nickel, 20 percent chromium

39) The property of metal, by the virtue of which it can be drawn into wire is called

Ductility

40) Failure of a material below yield point stress due to repeated stresses is called

Fatigue