OPMA EXAM 2

Which of the following is the net requirement using an MRP program if the gross requirement is 1,250 and the inventory on hand is 50?

1,200

Using the cut-and-try method for aggregate operations planning, we can determine the production requirement in units of product. If the beginning inventory is 100 units, the demand forecast is 1,200, and the necessary safety stock is 20 percent of the demand forecast, which of the following is the production requirement?

1340

If the best operating level of a piece of equipment is at a rate of 400 units per hour and the actual output during an hour is 300 units, which of the following is the capacity cushion?

25 percent

Using the assembly-line balancing procedure, which of the following is the theoretical minimum number of workstations if the task times for the six tasks that make up the job are 4, 6, 7, 2, 6, and 5 minutes, and the cycle time is 10 minutes?

3

If the best operating level of a piece of equipment is at a rate of 400 units per hour and the actual output during an hour is 300 units, what is the capacity cushion?

33%

According to Little's Law, which of the following ratios is used to find throughput rate?

Inventory/Flow time

According to Little's law, which of the following ratios is used to find flow time?

Inventory/Throughput rate

To reduce process flow time, you might try which of the following actions?

All of the offered choices apply

Which of the following industry types have high expected benefits from the application of MRP?

Assemble-to-order

Which of the following best describes the term "cycle time"?

Average time between completions of successive units

Which of the following costs are relevant to aggregate operations planning?

Backordering costs

In conducting aggregate operations planning, there are a number of required inputs. Which of the following inputs are considered internal to the firm?

Current physical capacity and current workforce

Compared with a service operation, a manufacturing operation's capacity is characterized by which of the following?

Demand can be smoothed by inventory policies

Which of the following is one of the main purposes of an MRP system?

Determine the amount of materials needed to produce each end item.

The ability to rapidly and inexpensively switch production from one product to another enables what are sometimes referred to as

Economies of scope

According to our textbook authors, which of the following is not considered a major category of manufacturing facility layout?

Fabrication

Which of the following is NOT a step used in determining production capacity requirements?

Forecasting raw material usage

A product tree can do which of the following?

Help to compute component usage

Which of the following is an input file necessary to run an MRP system?

Inventory records file

Which of the following is a dynamic lot-sizing technique that calculates the order quantity by comparing the carrying cost and the setup (or ordering) costs for various lot sizes and then selects the lot in which these are most nearly equal?

Least total cost

Which of the following can be used for lot sizing in an MRP system?

Least unit cost

At a decision point in a decision tree, which machine would you select when trying to maximize payoff when the anticipated benefit of selecting machine A is $45,000, with a probability of 90%; the expected benefit of selecting machine B is $80,000, with a probability of 50%; and the expected benefit of selecting machine C is $60,000, with a probability of 75%?

Machine C

Under the lot-for-lot (L4L) lot sizing technique as used in MRP, we would expect which of the following?

Minimized carrying costs

Which of the following is an input to the master production schedule?

None of the offered choices applies. The offered choices for the most part refer to MRP systems rather than the master production schedule.

The capacity focus concept can be put into practice through a mechanism called which of the following?

Plant within a plant (PWP)

In an overview of the major operations planning activities in a typical organization, which of the following activities precedes aggregate sales and operations planning?

Process planning

A BOM file is also called which of the following?

Product tree

The way to build in greater flexibility in your workers is to do which of the following?

Provide a broader range of training.

In conducting aggregate operations planning, there are a number of required inputs. Which of the following inputs are considered external to the firm?

Raw material availability and competitor's behavior

A process flowchart uses which of the following symbols to represent tasks or operations in a flow diagram

Rectangle

Capacity planning involving consideration of production scheduling and inventory position is characterized by which one of the following time durations?

Short range

When balancing an assembly line, which of the following is not a way to reduce the longest task time below the required workstation cycle time?

Speed up the assembly line transfer mechanism

Which of the following is considered a "pure" production planning strategy?

Stable workforce, variable work hours

From an operational perspective, yield management is least effective under which of the following circumstances?

The product can be kept to be sold when demand is stronger.

In an overview of the major operations planning activities in a typical logistics organization, which of the following activities most immediately follows aggregate sales and operations planning?

Vehicle capacity planning

In an overview of the major operations planning activities in a typical service organization, which of the following activities follows aggregate sales and operations planning?

Workforce scheduling

When you compare the metrics of your company to another you are

benchmarking

Matching the production rate to the order rate by hiring and laying off employees as the order rate varies is which of the following pure production planning strategies?

chase

The ratio of output to input is called

productivity.

Which of the following basic types of process structures is one which similar equipment or functions are grouped together?

workcenter