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Industrial Engineering Miscellaneous

Industrial Engineering

  1. The annual requirement of rivets at a ship manufacturing company is 2000 unit. The rivets are supplied in units of 1 kg costing Rs. 25 each. The costs Rs. 100 to place an order and the annual cost of carrying one unit is 9% of its purchase cost, the cycle length of the order (in days) will be ______.
    1. 76.9457 days
    2. 75.9457 days
    3. 73.9457 days
    4. 74.9457 days
Correct Option: A

D = 2000 unit
C = Rs 25
CO = Rs 100

Ch =
9
× 25 = 2.25
100


= 421.637
No of orders per year
N =
P
Q*

=
2000
421.637

⇒ 4.7434
Cycle length of order
No. of days in a year
N

365
⇒ 76.9457 days
4.474



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