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

In a development project, if an activity (q,r) of five days duration, starts late on 2nd day then which of the following will be its latest finish time?

• A) 4th day
• B) 7th day
• C) 3rd day
• D) 10th day

Choose the correct one for the project times that are used in project management.

• A) Latest start time, Latest finish time, Earliest start time, CPM
• B) Latest start time, Latest finish time, PERT, Earliest finish time
• C) Latest start time, Latest finish time, Earliest start time, Earliest finish time
• D) PERT, CPM

The first step in the application of ____________ is to develop a network representation of the project plan.

• A) linear programming
• B) probability
• C) none of these
• D) CPM

While identifying the Critical Path of a network flow diagram, the Late Start and Late Finish phase confirms that project start time is -----------.

• A) arbitrary
• B) infinity
• C) zero
• D) serial

If weights are 2, 9 and 20 or optimistic, most likely and pessimistic time estimates, respectively, then select the most suitable answer.

• A) $V_t = 9$
• B) $t_e = 9$
• C) $t_e = \frac{{{t_o} + 4{t_m} + {t_p}}}{6}$
• D) $S_t = 4$

In a project, a network diagram shows the precedence relations of inter related activities along with their corresponding activity ----------.

• A) cost
• B) times
• C) profit
• D) quantity

In a network flow diagram, a/an ----------- is shown by dotted arrows and these consume no time or resources.

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

For a development project, if its Standard Normal variable = 1.38, expected and the scheduled durations of the project are 100 and 110 days respectively, then Variance in the project length is ---------------.

• A) 52.50
• B) 7.246
• C) -7.246
• D) -52.50