372. Which of the following metals can be easily drawn into wire
A.Tin
B.Copper
C.Lead
D.Zinc
373. Following element is added to molten cast iron to obtain nodular cast iron
A.Cr
B.Mg
C.Cu
D.Mo
374. Silicon when added to copper increases its
A.Machinability
B.Brittleness
C.Electrical conductivity
D.Hardness and strength
375. Which of the following is an amorphous material
A.Mica
B.Lead
C.Rubber
D.Glass
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