Operations Modeling Quiz

1. The primary objective of a transportation model is to _______

2. a) Minimize production costs

3. b) Maximize sales revenue

4. c) Minimize the cost of transporting goods

5. d) Optimize resource allocation

• a

• b

• c

• d

In the context of transportation problems, degeneracy occurs when the number of allocated cells is _______ where m is the number of sources and n is the number of destinations.

a) Less than m+n−1

b) Equal to m+n−1

c) Greater than m+n−1

d) Equal to m×n

• a

• b

• c

• d

In the Economic Order Quantity (EOQ) model, the ordering cost is assumed to be:

a) Variable per unit

b) Constant per order

c) Dependent on demand rate

d) Zero

• a

• b

• c

• d

The capacity of a queuing system refers to the:

a) Number of servers

b) Maximum number of customers allowed in the system

c) Service rate

d) Arrival rate

• a

• b

• c

• d

For an (M/M/1): (GD/\infty/\infty) queue, GD stands for:

a) General Distribution

b) Group Discipline

c) General Discipline (meaning order of service is not specified beyond being a single queue)

d) Guaranteed Delivery

• a

• b

• c

• d

The role of Poisson and exponential distributions in queuing theory is primarily to model:

a) Costs associated with waiting lines

b) The deterministic flow of customers and service times

c) The random nature of arrivals and service times

d) The optimal number of servers

• a

• b

• c

• d

The notation (M/M/1) in queuing theory represents:

a) Markovian arrivals, Markovian service, and one server

b) Multiple arrivals, Multiple service, and one server

c) Mean arrival rate, Mean service rate, and one server

d) Machine arrivals, Machine service, and one server

• a

• b

• c

• d

A pure death process in queuing theory refers to a model where:

a) Only arrivals occur

b) Only departures occur

c) The arrival rate is zero

d) The service rate is zero

• a

• b

• c

• d

The Poisson distribution is often used to model:

a) Service times

b) Arrival rates

c) Queue length

d) Waiting time in the queue

• a

• b

• c

• d

In a probabilistic inventory model, demand is considered:

a) Constant and known

b) Variable and known

c) Constant but unknown

d) Variable and uncertain

• a

• b

• c

• d