Cap screws are

A.Used on sheet metal work only and are generally self-threading type
B.Used by welding to the structure for relative location of parts
C.Similar to small size bolts except that a great variety of shades of heads are available
D.Unsed in furniture work only
E.Generally nickel plated and used where external show is important

In cross or regular lay ropes

A.The direction of twist in wires in strands is the same as the direction of twist of strands
B.The direction of twist in wires in strands is opposite to the direction of twist of strands
C.Wires in two adjacent strands are twisted in opposite direction
D.Wires are never twisted
E.Only one wire is twisted and wrapped around