Which is the following reason is essential for an enterprise to have an inventory?

• A) It provides adequate service to the customers.
• B) All above reasons are equivalent
• C) It reduces the possibility of duplication of orders.
• D) It helps in smooth and efficient running of the business.

The objective function and ----------- together form a Linear Programming problem.

• A) a set of constraints
• B) feasible region
• C) optimal solution
• D) unrestricted variables

Which of the following is uncertain in PERT?

• A) Activity Cost
• B) Activities’ completion times
• C) Resources associated with each activity
• D) Activities’ precedence relation

In a development project, if an activity (m,n) of seven days duration, starts late on 5rd day then which of the following will be its latest finish time?

• A) 5th day
• B) 12th day
• C) 5th or 7th day
• D) 7th day

In a network flow diagram, which of the following method through computations provides, i) start and completion times for each activity, ii) critical and non critical activities and iii) total and free slacks?

• A) CPM
• B) PERT
• C) Resource Scheduling
• D) Resource Allocation

In Project Management, Program Evaluation and Review Technique (PERT) is based on ------------- times.

• A) stochastic
• B) serial
• C) probabilistic
• D) deterministic

In the phase of Late Start and Late Finish, to find the Critical Path in a network flow diagram, which of the following will be taken as latest finish time of the final event?

• A) Expected Time of final event
• B) Late Start of the final event
• C) Early Start of the final event
• D) Early Finish of final event

Which of the following value is correct for the Variance of an activity times having optimistic, pessimistic and most likely values as 4, 8 and 6 days respectively?

• A) 0.444
• B) 0.147
• C) 01
• D) 2.666

The task which is executed by the usage of resources and time is called -------------.

• A) project
• B) event
• C) node
• D) activity

Which of the following is true about the Manufacturing model without Shortage?

• A) None of the above choices
• B) Demand rate < Replacement rate
• C) Demand rate = Replacement rate
• D) Demand rate > Replacement rate

Linear Programming is the backbone of Operations Research models due to---------.

• A) linearity of objective function and constraints
• B) its fantastic computational efficiency
• C) unrestricted signs of decision variables
• D) non-negativity of decision variables

Excess of inventories are undesirable due to the following reasons;

• A) It may not lead to high volume of output instead it might hamper the production.
• B) It includes the expenses of stores, equipment, personnel, insurance etc..
• C) It locks up the capital of the enterprise.
• D) All above reasons are equivalent

Which factor is often used to prioritize jobs when allocating resources?

• A) Resource availability
• B) Activity slack
• C) Activity duration
• D) Project budget

Which of the following times are not directly related to the activity cost as there is no certainty of time in such activities so their duration cannot be reduced, hence the cost cannot be expressed correctly?

• A) CPM Times
• B) PERT Times
• C)
• D)

While finding the Critical Path, in the phase of Early Start and Early Finish computations, we start from first event and proceed calculations from left to right up to the ---------- event.

• A) arbitrary
• B) starting
• C) last
• D) middle

In a network flow diagram, if two jobs ‘a(l,n)’ and ‘b(m,n)’ of ‘8’ and ‘9’ days durations respectively, start earlier simultaneously on 2nd day, then the next activity containing ‘n’ as head event can’t start until the entering activity_______________is completed.

• A) (m,l)
• B) (m,n)
• C) (l,m)
• D) (l,n)

About which of the following it is true that, “they only signify with the passage of time, the beginning and ending of some activities under no consumption of resources” ?

• A) dummy
• B) branch
• C) nodes
• D) project

In the phase of Early Start and Early Finish, to find the Critical Path in a network flow diagram, for the first node(event), we start with time -------------.

• A) with strict positive value
• B) t = 0
• C) t = infinity
• D) t = a (arbitrary)

A network flow diagram can have ___________ Critical Path(s).

• A) at most two
• B) depends on number of dummies
• C) multiple
• D) unique

In a network flow diagram, for an activity (i,j) of six days duration, if its Late Finish time is of nine days, then which of the following will be its Late Start time?

• A) Twelve days
• B) Fifteen days
• C) Six days
• D) Three days