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The elemental timings are given below along with the respective ratings. Assuming rest and personal allowance as 12% and contingency allowance of 2%, calculate the standard time for the operation.
written 6.2 years ago by gravatar for teamques10 teamques10 ★ 65k •   modified 2.4 years ago
Element Observed time Rating Remark
A 0.20 90 -
B 0.05 80 -
C 0.03 100 -
D 0.78 100 -
E 0.06 100 -
F 0.05 100 -
G 0.02 85 Once in 5 pieces
H 0.06 80 -
I 0.10 90 -
J 0.04 90 Once in 20 pieces
industrial engineering and management
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written 6.2 years ago by gravatar for teamques10 teamques10 ★ 65k •   modified 6.2 years ago

The normal time for each component as shown in following table:

Element Observed time Rating Frequency Normal time
A 0.20 90 1 0.180
B 0.05 80 1 0.040
C 0.03 100 1 0.030
D 0.78 100 1 0.780
E 0.06 100 1 0.060
F 0.05 100 1 0.050
G 0.02 …

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