An electrical appliance A consists of three major components: B, C and D. One un
ID: 403572 • Letter: A
Question
An electrical appliance A consists of three major components: B, C and D. One unit of A consists of two units of B, one unit of C, and three units of D. Subassembly B consists of two units of D, one unit of E, and one unit of F. Subassembly C consists of two units of E. Subassembly D consists of one unit of E and one unit of F.
1. Draw a product structure tree for A.
2. If the requirement of A is 100 units, then what will be the corresponding requirements for B, C, D, E and F?
3. If the inventory on hand is given as follows, what will be the net requirements of all components and subassemblies?
Item A B C D E F
On hand 50 50 20 350 0 175
Explanation / Answer
A = 2B + C + 3D
B = 2D + E + F
C = 2E
D = E + F
A
B(2) C D(3)
E D(2) F E(2) E F
for A(100)
B = 200
C= 100
D = 300+400
E = 200+200+700
F = 200+700
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