The Mean and Variance of probabilistic nature of activity times in PERT are expressed by -------------distribution.

• A) Chi
• B) Beta
• C) Binomial
• D) Bernoulli

Which of the following Probabilistic time in PERT has the same analogical meaning of Deterministic time (time to complete any activity) in CPM?

• A) Optimistic
• B) Pessimistic
• C) Expected
• D) Most Likely

Which of the following is an operations research (OR) process?

• A) Linear programming
• B) Simplex method
• C) Networking
• D) Observation

In a network flow diagram, if two jobs ‘a(i,j)’ and ‘b(i,k)’ of ‘4’ and ‘3’ days duration, finish late simultaneously on 7th day, then on which of the following day the event ‘i’ will finish earlier?

• A) 4th
• B) 1st
• C) 6th
• D) 3rd

In a development project, if an activity (i,j) of six days duration, starts late on 3rd day then which of the following will be its latest finish time?

• A) 18th day
• B) 2nd day
• C) 3rd day
• D) 9th day

Which of the following situations would typically favor using PERT over CPM?

• A) Routine factory maintenance
• B) Optimizing existing production
• C) Construction project with a fixed budget
• D) Developing a new software product

Duration of dummy activity is _______.

• A) latest start time
• B) 1
• C) zero
• D) early start time

If both jobs ‘a(l,n)’ and ‘b(m,n)’ of ‘7’ and ‘8’ days durations respectively, start earlier simultaneously on 4th day, then ‘n’ can start earlier on -----------day.

• A) 15th
• B) 11th
• C) 8th
• D) 12th

In a network flow diagram, two jobs (i,j) and (i,k) of ‘9’and ‘6’ days duration leaves the node ‘i’ then which of the following will be Late start time for ‘i’, if it is provided that both (i,j) and (i,k) finish late on 12th and 8th day respectively?

• A) 3rd day
• B) 1st day
• C) 2nd day
• D) 6th day

In the phase of Early Start and Early Finish, to find the Critical Path in a network flow diagram, the computations are proceeded from --------------- to the final event.

• A) bottom to top
• B) right to left
• C) top to bottom
• D) left to right

Which of the following would be the objective of the daily loss of heat in a heating system?

• A) Average
• B) Minimization
• C) Inflection
• D) Maximization

Which of the following is the major objective of the ABC analysis of inventory?

• A) To replace the required items in proper time
• B) To classify the items in different categories
• C) To control the inventories
• D) To fulfill the demand of items

When resource limits conflict with a fixed project deadline, what is the likely outcome?

• A) Increased resource costs
• B) Improved resource efficiency
• C) Reduced project scope
• D) Delayed project completion

Which mathematical models are commonly used in inventory control to answer questions about how much to stock and how often to buy?

• A) Production scheduling models
• B) Economic production quantity models
• C) Economic order quantity models
• D) Inventory optimization models

Under which of the following condition the economic order quantity in case of Purchasing Model with Shortage can be transformed into Purchasing Model with no Shortage?

• A) When Shortag Cost tends to infinity
• B) When Carrying Cost tends to zero
• C) When Carrying Cost tends to infinity
• D) When shortage Cost tends to zero

In an optimization problem, we seek for maximizing or minimizing a specific quantity, called the ----------.

• A) objective function
• B) feasible solution
• C) decision variables
• D) constraints

Which of the following cost of an item vary directly with its lack of quantity and delaying time ?

• A) Shortage Cost
• B) Item cost
• C) Set-up cost
• D) Inventory holding cost

In Wilson's model, what is the average inventory level?

• A) Half of the maximum order quantity (Q/2)
• B) Equal to the annual demand (D)
• C) The maximum order quantity (Q)
• D) Zero, since there are no shortages

In the graph of Purchasing Model with shortages, the area above the horizontal axis represents -----------.

• A) shortage cost of item
• B) set up cost of item
• C) purchase cost of item
• D) carrying cost of item

For an industrialist, optimization means ------------.

• A) both maximizing its profit and minimizing its cost
• B) change the business strategy and looking forward new customers
• C) minimizing its cost only
• D) maximizing its profit only