GATE Mechanical Engineering (ME) 2020 Shift 1 Solved Paper

Question : 51 of 65

Marks: +1, -0

For assembly line, the production rate was 4 pieces per hour and the average processing time was 60 minutes. The WIP inventory was calculated. Now, the production rate is kept the same, and the average processing time is brought down by 30 percent. As a result of this change in the processing time, the WIP inventory

decreases by $30 \%$
increases by $30 \%$
increases by $25 \%$
decreases by $25 \%$

Validate

Solution:

Production

=4

units

2^{\;\text "nd "\;}

case
Production

=4 × 0.7=2.8

2.8

units

\% \;\text " reduction "\;=(\;{4-2.8}/{4}) × 100

\;\; =0.3 × 100

\;\; =30 \%

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