Quiz: Section 4.2 Laminate Code

How many plies does a [03/902/30]s have?
   (A)   6
   (B)   9
   (C)   11
   (D)   12

What is the laminate code for [0/90/0] laminate?
   (A)   [0/90]s[0/90]s
   (B)   [0/90]s
   (C)   [0/90]

Expand the [0/902/30]s laminate.
   (A)   [0/90/90/30/0/90/90/30]
   (B)   [0/90/90/30]
   (C)   [0/90/90/30/30/90/90/0]
   (D)   [0/90/30/30/90/0]

Expand the laminate code [30/-30]2s
   (A)   [30/-30/30/-30/30/-30/30/-30]
   (B)   [30/-30/30/-30/-30/30/-30/30]
   (C)   [30/-30/-30/30]
   (D)   [30/-30/30/-30]

The [B] matrix is equal to zero in which of the following laminates?
   (A)   [30/56/56/30]
   (B)   [0/90/90]
   (C)   [0/90]
   (D)   [30/56/30/56]