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Mechanical Engineering Objective Questions { Industrial Engineering }

113. In queuing theory, the nature of the wait ing situation can be studied and analysed mathematically if
A.Complete detailg- of items in;waiting line are known
B.Arrival and waiting times are known and can be grouped to form a waiting ,line model
C.All variables and constants are known and form a linear equation the laws governing arrivals, service times, and the order in which the arriving units are taken into source are known
D.(e) all of the above.
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114. The reasons which are basically responsible for the formation of a queue should be that
A.The average service rate a less "than the average arrival rate
B.Output rate is linearly proportional to input
C.Output rate is constant and be input varies in a random manner
D.All of the above
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115. Monte Carlo solutions in queuing theory are extremely useful in queuing problems
A.That can't be analysed mathematically
B.Involving multistage queuing
C.To verify mathematical results
D.All of the above
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116. In perpetual inventory control, the material is checked as it reaches its
A.Minimum value
B.Maximum value
C.Average value
D.Middle value
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117. A milestone chart
A.Shows the inter-dependences of various jobs
B.None of the above.
C.Points outgoing ahead of schedule of jobs, if any
D.All of the above
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118. Bar charts are suitable for
A.Minor works
B.Major works
C.Large projects
D.All of the above
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119. The first method invented for planning projects was
A.Bar chart method
B.Milestone chart
C.Critical path method (CPM)
D.Programme evaluation and review technique (PERT)
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