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Mechanical Engineering Exam  >  Mechanical Engineering Tests  >  Test: Sequencing And Scheduling - Mechanical Engineering MCQ

Test: Sequencing And Scheduling - Mechanical Engineering MCQ


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28 Questions MCQ Test - Test: Sequencing And Scheduling

Test: Sequencing And Scheduling for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Test: Sequencing And Scheduling questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Sequencing And Scheduling MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Sequencing And Scheduling below.
Solutions of Test: Sequencing And Scheduling questions in English are available as part of our course for Mechanical Engineering & Test: Sequencing And Scheduling solutions in Hindi for Mechanical Engineering course. Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free. Attempt Test: Sequencing And Scheduling | 28 questions in 30 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study for Mechanical Engineering Exam | Download free PDF with solutions
Test: Sequencing And Scheduling - Question 1
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In sequencing for minimizing mean tardiness and average in process inventory, the rules to be used respectively are

Test: Sequencing And Scheduling - Question 2
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Which of the following rules minimizes maximum lateness?

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Test: Sequencing And Scheduling - Question 3
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Tardiness is the measure of

Test: Sequencing And Scheduling - Question 4
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Which of the following is not an assumption of scheduling and sequencing?
Test: Sequencing And Scheduling - Question 5
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The number of possible ways for ‘n’ jobs to sequence
Test: Sequencing And Scheduling - Question 6
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If critical ratio is < 1 then
Test: Sequencing And Scheduling - Question 7
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Which of the following minimizes the idle time of an n-jobs and 2 machine problem?
Test: Sequencing And Scheduling - Question 8
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Least slack is given by
Test: Sequencing And Scheduling - Question 9
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Critical ratio is given by
Test: Sequencing And Scheduling - Question 10
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Flow time is given by
Test: Sequencing And Scheduling - Question 11
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Apply FCFS rule and find the mean flow time
Detailed Solution for Test: Sequencing And Scheduling - Question 11

Sequence for FCFS will be 1 − 2 − 3 − 4 − 5

Test: Sequencing And Scheduling - Question 12
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The following jobs are to be processed on a machine as per the data listed in the table below

Using SPT rule, the total tardiness is _____________
Detailed Solution for Test: Sequencing And Scheduling - Question 12

Sequence using SPT: 2 − 3 − 1 − 4

Test: Sequencing And Scheduling - Question 13
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The sequence that would minimize the make span
Detailed Solution for Test: Sequencing And Scheduling - Question 13

Flow time will be minimum with SPT sequence = D − B − A − C

Total FT = 38

Minimum cost = 38 × 50 = Rs. 1900

*Answer can only contain numeric values
Test: Sequencing And Scheduling - Question 14
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Seven jobs arrived in a sequence as given below

Calculate average flow time (in days) for the above jobs using SPT rule.

Detailed Solution for Test: Sequencing And Scheduling - Question 14

Test: Sequencing And Scheduling - Question 15
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Four jobs has to be processed on a single machine. The details are given in following table

The average lateness using SPT rule is ___________
Detailed Solution for Test: Sequencing And Scheduling - Question 15

Average = −3

Test: Sequencing And Scheduling - Question 16
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A defense contractor has six different jobs in process with the delivery requirements shown. Today is day (60) and if the contractor uses a critical ratio method for sequencing, find the sequence.
Detailed Solution for Test: Sequencing And Scheduling - Question 16

Job sequence = A − E − C − F − D − B

Test: Sequencing And Scheduling - Question 17
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Four jobs have to be sequenced on a single facility with the objective of minimizing the maximum lateness.

The last job that should be taken up
Detailed Solution for Test: Sequencing And Scheduling - Question 17

EDD rule minimizes the max-lateness

Test: Sequencing And Scheduling - Question 18
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Consider the following data

The no. of tardy jobs using SPT rule
Detailed Solution for Test: Sequencing And Scheduling - Question 18

Sequence using SPT: 3 − 1 − 2 − 4

No. of tardy jobs = 2

Test: Sequencing And Scheduling - Question 19
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Consider the following data for a job-shop problem

The optimal sequence for the above problem is
Detailed Solution for Test: Sequencing And Scheduling - Question 19

Convert the given problem into a two machine problem and apply Johnson’s algorithm

Max {M2} ≤ min{M1} or min{M3}

10 ≤ 5 ✘

10 ≤ 12✓

The problem can be converted

Applying Johnson’s algorithm

Test: Sequencing And Scheduling - Question 20
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Using Johnson’s rule find the optimal sequence
Detailed Solution for Test: Sequencing And Scheduling - Question 20

Convert 3 machine problem into a two machine problem and apply Johnson’s rule

Max {M2} ≤ min{M1} or min{M3}

6 ≤ 6✓

6 ≤ 1✘

Test: Sequencing And Scheduling - Question 21
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Four jobs has to be processed on a single machine. The details are given in the following data

The minimum average tardiness is.
Detailed Solution for Test: Sequencing And Scheduling - Question 21

The average tardiness is minimized when EDD rule is used sequence using EDD rule C −A − B − D

Test: Sequencing And Scheduling - Question 22
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Four jobs need to be processed sequentially on two machines, first on Machine X and then on Machine Y. Each machine can process only one job at a time. The processing times in(hours) are given below

The make span of the jobs is ____________
Detailed Solution for Test: Sequencing And Scheduling - Question 22

Apply Johnson’s algorithm to find the make span

*Answer can only contain numeric values
Test: Sequencing And Scheduling - Question 23
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Consider the following data

What will be the earliest time that B can be delivered to the customer?

Detailed Solution for Test: Sequencing And Scheduling - Question 23

According to Johnson’s rule, the optimal sequence is

Make span = 34

Job B can be delivered at the end of 21 hours

*Answer can only contain numeric values
Test: Sequencing And Scheduling - Question 24
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Consider the following data

The optimal sequence using Johnson’s rule is A − D − B − F − C − E. Find the make span.

Detailed Solution for Test: Sequencing And Scheduling - Question 24

Make span = 55 hours

Test: Sequencing And Scheduling - Question 25
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The todays date in a production calendar of an industry is 175. Sequence the jobs listed below by critical ratio rule and also find the number of jobs that are behind the schedule.
Detailed Solution for Test: Sequencing And Scheduling - Question 25

Jobs should be arranged in the increasing order of critical ratio.

Sequence: F − C − G − E − D − B − A

Number of jobs behind schedule = no. of jobs whose critical ratio is less than 1

i.e., C & F in this case

∴ Number of jobs = 2

*Answer can only contain numeric values
Test: Sequencing And Scheduling - Question 26
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Consider the following 2 job and M-Machine problem

Job1 Lathe (2 hours) → Milling (1 hour)→→Drilling (4hours)

Job 2 Milling (1 hour)→ Lathe (3 hours) → Drilling (3 hours)

Find the make span.

Detailed Solution for Test: Sequencing And Scheduling - Question 26

Make span = 10 hours

*Answer can only contain numeric values
Test: Sequencing And Scheduling - Question 27
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Using graphical method, determine the minimum time needed to process the two jobs on four machines

Detailed Solution for Test: Sequencing And Scheduling - Question 27

Total completion time = 4+2+5+7+3 = 15

= 15 hours

Test: Sequencing And Scheduling - Question 28
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There are six cars waiting to be repaired at a car repair shop. Each car has first to be dented and then painted. The estimated times for each car are given below

Find the total idle time for machine.
Detailed Solution for Test: Sequencing And Scheduling - Question 28

Idle time = 8 hours

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