ISRO Mechanical Exam: Industrial Engineering Quiz

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Question 1

Determine critical time for the project and independent float for activity 3-4

• A11,2
• B10,0
• C12,1
• D10,2

Question 2

The demand and forecast for February are 18000 and 9725, respectively. Using single exponential smoothing method (smoothing coefficient=0.10), forecast for the month of March will be

• A431
• B9587
• C10552.5
• D11000

Question 3

Consider the following activity of a network

The total float on activity 1 - 2 is

• A19
• B0
• C18
• D37

Question 4

If there are m sources and n destinations in a transportation matrix, the total number of basic variables in a basic feasible solution is

• Am + n
• Bm + n + 1
• Cm + n — 1
• Dm

Question 5

A train reservation facility has 1 counter capable of handling 100 request per hour. The person’s coming for reservation arrive at a mean rate of 90/hour. What is the average length of queue at each counter?

• A7.2
• B8.1
• C9.6
• D10.7

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