GATE 2022 ME: Industrial Engineering Quiz - 2

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Question 1

Which of the following scheduling method is accepted by default if no other method is specifically mention while solving problems in scheduling to maintain the flow of job smooth.

• ALIFO
• BFIFO
• CSTR
• DLPT

Question 2

The objective of sequencing problem is:

• ATo find the order in which jobs are to be made
• BTo find the time required for completing all the jobs on hand
• CTo find the sequence in which jobs in hand are to be processed to minimize the total time required for processing the jobs
• DTo maximize the effectiveness

Question 3

A set of 5 jobs is to be processed on a single machine. The processing time (in days) is given in the table below. The holding cost for each job is Rs. K per day.

A schedule that minimizes the total inventory cost is

• AT-S-Q-R-P
• BP-R-S-Q-T
• CT-R-S-Q-P
• DP-Q-R-S-T

Question 4

Four jobs 1, 2, 3,... 4 are to be processed on a single machine. The processing times, due dates are represented in table. The ratio of mean flow time for shortest processing time rule to earliest due date rule is ______.

• A0.62
• B0.67
• C0.71
• D0.76

Question 5

For the data given below:

Use the Jackson’s Extension to calculate the total processing time.

• A43 hours
• B39 hours
• C45 hours
• DCan’t be calculated

Question 6

Service workshop has four jobs on hand to be processed. The date and processing time for each of the jobs are given below:

Using the shortest processing time (SPT) rule, total tardiness is

• A14
• B16
• C20
• D18

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