Marina Power Tools is a manufacturing company wants to process the following seven jobs in two operations A and B. All the seven jobs must go through the following sequence, B first and then A. Apply Johnson's rule, to find the optimal sequence order in which the jobs should be sequenced through the process using these times. Also find the elapsed time and total idle time. Job Process A (Hrs) Process B (Hrs) P 10 7 Q 9. 8. 8. S 7 4 2. 3 3 7 V 8 The Production Manager likes to remove job T from the sequence and introduce job D. Job D takes 5 hours in process A and 6 hours in process B. Find the modified duration taken to complete the process and idle time.

Marina Power Tools is a manufacturing company wants to process the following seven jobs in two operations A and B. All the seven jobs must go through the following sequence, B first and then A. Apply Johnson's rule, to find the optimal sequence order in which the jobs should be sequenced through the process using these times. Also find the elapsed time and total idle time. Job Process A (Hrs) Process B (Hrs) P 10 7 Q 9. 8. 8. S 7 4 2. 3 3 7 V 8 The Production Manager likes to remove job T from the sequence and introduce job D. Job D takes 5 hours in process A and 6 hours in process B. Find the modified duration taken to complete the process and idle time.

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Concept explainers

Counting Principles

In statistics, the counting principle can be said to be the concept in which the quantity of an item is determined. There can be a single item, or a group of items, or items that are related to each other. In every possible set of items, the quantity of the possible item groups or their sorting measures can be determined with counting principles.

Question

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Marina Power Tools is a manufacturing company wants to process the following seven jobs in two
operations A and B. All the seven jobs must go through the following sequence, B first and then A. Apply
Johnson's rule, to find the optimal sequence order in which the jobs should be sequenced through the
process using these times. Also find the elapsed time and total idle time.
Job Process A (Hrs) Process B (Hrs)
P
10
7
Q
9.
8.
8.
S
7
4
2.
3
3
7
V
8
The Production Manager likes to remove job T from the sequence and introduce job D. Job D takes 5
hours in process A and 6 hours in process B. Find the modified duration taken to complete the process
and idle time.

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