SCMN 4770 Test 3 Strickland

Theory of constraints (TOC) activities span all three areas of manufacturing planning and control (front end, engine, and back end). a. True b. False

a. true

Under theory of constraints (TOC), conflicts between material requirements planning (MRP) and finite scheduling are reduced. a. True b. False

a. true

Vendor scheduling is critical in a just-in-time (JIT) system. a. True b. False

a. true

When multiple warehouses are part of a system, distribution requirements planning (DRP) data are generated for each warehouse. a. True b. False

a. true

Using the error add-back method, what would the revised forecast for period 2 become in this example? a. 80 b. 100 c. 120 d. 200

c. 120

What is the most likely value for the safety stock in this example? a. 50 units b. 100 units c. 150 units d. 200 units

c. 150 units

What is the shipping quantity in this example? a. 100 b. 200 c. 300 d. 400

c. 300

What is the required capacity in work center 100 for period 6? (Choose the best answer.) a. 35 b. 40 c. 45 d. 50

c. 45

What will the planned shipments be for periods 2, 3, and 4? a. 25 units each period b. 50 units in periods 2 and 4, zero units in period 3 c. 50 units in each period d. 100 units in period 2, zero units in period 3, and 50 units in period 4

c. 50 units in each period

Theory of constraints (TOC) systems are most concerned with a. Reducing inventory b. Machine efficiency c. Bottleneck utilization d. Labor efficiency

c. Bottleneck utilization

The theory of constraints (TOC) scheduling approach is referred to as a. Drum-buffer-constraint b. Drum-rope-constraint c. Drum-buffer-rope d. Drum-bottleneck-rope

c. Drum-buffer-rope

Chapter 11

Chapter 11

Chapter 12

Chapter 12

Chapter 14

Chapter 14

What is the cumulative input deviation in period 3? (Choose the best answer.) a. -5 hours b. 0 hours c. 5 hours d. 10 hours

a. -5 hours

What is the total required capacity in work center 200 over the 13-period planning horizon? (Choose the best answer.) a. 775 b. 800 c. 825 d. 850

a. 775

According to the theory of constraints (TOC), which of these conditions is most desirable? I. 100% utilization of bottleneck work centers II. 100% utilization of nonbottleneck work centers III. Less than 100% utilization of bottleneck work centers a. I only b. II only c. I and II only d. I, II, and III

a. I only

Which capacity planning activities are considered long-range planning? a. Resource planning and rough-cut capacity planning b. Capacity requirements planning c. Finite scheduling d. Input/output analysis

a. Resource planning and rough-cut capacity planning

In theory of constraints (TOC), original orders may be divided into smaller quantities called a. Transfer batches b. Sub-projects c. Bottleneck quantities d. Buffers

a. Transfer batches

Good production activity control (PAC) design and practice can compress run time. a. True b. False

a. True

The capacity bill planning technique provides more direct linkages to end products than does the capacity planning using overall factors (CPOF) planning method. a. True b. False

a. true

Which capacity planning technique is based on accounting and/or historical data? a. Capacity planning using overall factors (CPOF) b. Capacity bills c. Resource profiles d. Capacity requirements planning

a. capacity planning using overall factors (CPOF)

Production activity control's (PAC) main link with the rest of the MPC system is a. Detailed capacity planning b. Detailed material planning c. Material and capacity plans d. Master production scheduling

a. detailed capacity planning

The time-phased order point (TPOP) approach uses what type of data to determine requirements? a. Forecasts b. Actual orders c. Planned orders d. Customer projections

a. forecasts

Input/output control compares a. Input costs to output value b. Planned inputs and outputs to actual values c. Late input to late output ratio d. Quality of inputs to quality of outputs

a. input costs to output value

Aggregating safety stock from several warehouses to a single location should result in lower overall levels of safety stock (assuming customer service goals are held constant). a. True b. False

a. true

Distribution requirements planning (DRP) and material requirements planning (MRP) use a consistent data format. a. True b. False

a. true

Distribution requirements planning (DRP) systems can utilize both safety stock and safety lead time. a. True b. False

a. true

In a one-machine system, the order in which jobs are processed has no effect on total time to completion. a. True b. False

a. true

In a one-machine system, the shortest processing time (SPT) sequencing rule per-forms well to reduce overall job lateness. a. True b. False

a. true

In distribution requirements planning (DRP) systems, forecast bias is a more serious problem than forecast errors. a. True b. False

a. true

In theory of constraints (TOC), bottleneck work centers are scheduled using forward finite loading techniques. a. True b. False

a. true

In theory of constraints (TOC), even an inefficient means of adding capacity to a bottleneck resource should be implemented. a. True b. False

a. true

One means of reducing overall setup times is called part family scheduling. a. True b. False

a. true

Production activity control (PAC) pertains mainly to activities that take place in the MPC engine. a. True b. False

a. true

The "order slack" priority sequencing rule schedules the job with the least slack to be run first. a. True b. False

a. true

What is the total required capacity (in standard hours) for period 2? (Choose the best answer.) a. 100 b. 110 c. 120 d. 130

b. 110

What is the difference between the actual output backlog and planned output backlog at the end of period 5 (actual - planned)? a. 20 hours b. 16 hours c. 12 hours d. 8 hours

b. 16 hours

What is the total required capacity in work center 200 over the 13-period planning horizon? (Choose the best answer.) a. 200 b. 250 c. 300 d. 350

b. 250

What is the projected available balance for period 4? a. 50 units b. 55 units c. 60 units d. 65 units

b. 55 units

In the following two-machine system, which schedule will result in the lowest total production time? a. B-A-C-E-D b. B-D-A-E-C c. A-B-C-D-E d. C-B-E-A-D

b. B-D-A-E-C

In a theory of constraints (TOC) system, the term "rope" refers to bottleneck resources. a. True b. False

b. False

The shop-floor control (SFC) system is kept current on changes to the material plan by the MRP system. a. True b. False

b. False

Distribution requirements planning (DRP) accomplishes which of the following? I. Extends manufacturing planning and control (MPC) visibility II. Summarizes detailed field information III. Analyzes potential warehouse locations a. I only b. I and II only c. II and III only d. I, II, and III

b. I and II only

In most supply chains, raising customer service goals has which of the following consequences? I. Higher inventory levels II. Higher customer service levels III. Lower total costs a. I only b. I and II only c. II and III only d. I, II, and III

b. I and II only

Which of the following are benefits of simultaneous planning of capacity and materials? I. Fewer computer resources required II. Better utilization of existing capacity III. Eliminates the need to expand capacity a. I only b. II only c. III only d. I, II, and III

b. II only

A visual representation of the scheduling process can be provided by a. Priority sequencing rules b. A Gantt chart c. Poka-yoke d. Capacity requirements planning

b. a Gantt chart

The prime objective of production activity control (PAC) is a. Meeting MPC plans b. Efficient use of capacity c. Efficient use of labor d. Efficient use of materials

b. efficient use of capacity

According to the theory of constraints (TOC), bottleneck work centers should be managed identically to nonbottlenecks. a. True b. False

b. false

Capacity requirements planning (CRP) can be used in firms that do not utilize material requirements planning (MRP). a. True b. False

b. false

Capacity requirements planning (CRP) ignores current finished goods and work-in-process inventory levels. a. True b. False

b. false

Customer purchases are generally part of dependent demand. a. True b. False

b. false

Finite scheduling systems use only vertical loading. a. True b. False

b. false

Finite scheduling techniques always assign jobs to available capacity on a first-come, first-served basis. a. True b. False

b. false

Formal shop-floor control systems are necessary in a just-in-time (JIT) system. a. True b. False

b. false

Good labor scheduling practice keeps a worker at the same station for an entire shift. a. True b. False

b. false

In a theory of constraints (TOC) system, inventory buffers before bottleneck resources are eliminated. a. True b. False

b. false

In a two-machine system, the order in which jobs are processed has no effect on total time to completion. a. True b. False

b. false

Input/output control is especially important at a firm that uses just-in-time (JIT) systems. a. True b. False

b. false

Rough-cut planning techniques are not useful for most firms. a. True b. False

b. false

The capacity planning using overall factors (CPOF) planning method is likely to function poorly in a just-in-time (JIT) environment. a. True b. False

b. false

The horizontal loading scheduling approach is more likely to result in higher capacity utilization. a. True b. False

b. false

The vertical loading scheduling approach is more likely to result in more complete jobs at the end of the planning cycle. a. True b. False

b. false

Theory of constraints (TOC) uses consistent batch sizes for bottleneck and non-bottleneck resources. a. True b. False

b. false

Updating order due dates to reflect changes in conditions always improves shop-flow performance. a. True b. False

b. false

When preparing time estimates for finite scheduling, it is desirable to overstate the time estimate to allow some slack in the system. a. True b. False

b. false

Distribution requirements planning (DRP) provides a link between a. Master production scheduling (MPS) and material requirements planning (MRP) b. Internal and external manufacturing planning and control (MPC) systems c. Material requirements planning (MRP) and vendors d. Sales and operations planning and vendors

b. internal and external manufacturing planning and control (MPC)

Resource profile planning differs from capacity planning using overall factors (CPOF) and capacity bills by considering which of the following? a. Customer orders b. Projected workload in individual work centers c. Future capacity expansions d. Inventory plans

b. projected workload in individual work centers

In theory of constraints (TOC), nonbottleneck resources should be managed with a. Push systems b. Pull systems c. Either push or pull systems d. Neither push nor pull systems

b. pull systems

Identifying bottlenecks is most often accomplished with a. Capacity requirements planning b. Rough-cut capacity planning c. Value stream analysis d. Material requirements planning

b. rough-cut capacity planning

Resource planning is most closely linked to which manufacturing planning and con-trol (MPC) element? a. Master production scheduling (MPS) b. Sales and operations planning (SOP) c. Material requirements planning (MRP) d. Shop-floor control

b. sales and operations planning (SOP)

In which of the following ways does capacity requirements planning (CRP) differ from rough-cut capacity planning techniques? I. CRP uses a time-phased approach II. CRP considers service part demand III. CRP considers standard lot sizes a. I only b. II only c. I and II only d. I, II, and III

c. I and II only

When capacity does not match the plan, which of the following actions can be taken? I. Provide sufficient capacity II. Change the material plan III. Modify capacity calculations a. I only b. II only c. I and II only d. I and III only

c. I and II only

Which of the following are useful measures of capacity? I. Machine-hours II. Labor-hours III. Elapsed time a. I only b. II only c. I and II only d. I, II, and III

c. I and II only

In most supply chains, lowering inventory levels has which of the following consequences? I. Lower inventory levels II. Higher customer service levels III. Lower total costs a. I only b. I and II only c. I and III only d. I, II, and III

c. I and III only

In most supply chains, reducing labor cost goals has which of the following consequences? I. Higher inventory levels II. Higher customer service levels III. Lower total costs a. I only b. I and II only c. I and III only d. I, II, and III

c. I and III only

Priority sequencing rules determine which of the following? I. Allocation of goods to customers II. Which machine(s) to service next III. Which job(s) to run at a work center a. I only b. II only c. III only d. I, II, and III

c. III only

Capacity requirements planning (CRP) is most closely linked to which manufacturing planning and control (MPC) element? a. Master production scheduling (MPS) b. Sales and operations planning (SOP) c. Detailed material planning d. Shop-floor control

c. detailed material planning

The following distribution requirements planning (DRP) record most likely reflects which of these situations? a. Warehouse closing b. Sales promotion c. Safety stock policy change d. Lead time change

c. safety stock policy change

Under what conditions are both capacity planning using overall factors (CPOF) and capacity bills likely to return the same capacity requirement results? a. When planning for a single product b. When planning for a single work center c. When planning for a single product that is produced in a single work center d. The two methods will never return the same result

c. when planning for a single product in a single work center

What is the required capacity in work center 100 for period 6? (Choose the best answer.) a. 100 b. 110 c. 120 d. 130

d. 130

What is the lead time in this example? a. 0 periods (instantaneous resupply) b. 1 period c. 2 periods d. 3 periods

d. 3 periods

Which capacity planning activities are considered short-range planning? a. Resource planning b. Rough-cut capacity planning c. Capacity requirements planning d. Finite scheduling and input/output analysis

d. Finite scheduling and input/output analysis

Which of the following is an objective of capacity planning? I. Building excess capacity for possible future use II. Estimating capacity requirements early enough to take action if necessary III. Execution of the plan to avoid surprises a. I only b. II only c. I and II only d. I and III only

d. I and III only

Which of the following are capacities that may need to be managed? I. Direct labor II. Inspection III. Engineering a. I only b. II only c. I and II only d. I, II, and III

d. I, II, and III

Which of the following are elements of lead time? I. Run time II. Setup time III. Queue time a. I only b. II only c. I and II only d. I, II, and III

d. I, II, and III

Which of the following are sequencing rules used in practice? I. First come/first served (FCFS) II. Earliest due date (EDD) III. Least work remaining (LWR) a. I only b. I and II only c. I and III only d. I, II, and III

d. I, II, and III

Distribution requirements planning (DRP) provides data used to prepare plans for which of the following? I. Manufacturing II. Logistics III. Sales and operations planning a. I only b. I and II only c. I and III only d. I, II, and III

d. I,II, and III

The implosion process refers to a. Internal movement of goods within a warehouse b. Assignment of products to customer orders c. Assignment of components to final assemblies d. Accumulation of distribution requirements planning (DRP) data from warehouses to a central location

d. accumulation of distribution requirements planning (DRP) data from warehouses to a central location

Which of these planning techniques requires the most computing resources? a. capacity planning using overall factors (CPOF) b. Resource profiles c. Capacity bills d. Capacity requirements planning (CRP)

d. capacity requirements planning (CRP)

A major tool in distribution requirements planning (DRP) systems is a. Kanban cards b. Poka-yoke c. Continuous improvement d. Distribution requirements planning (DRP) records

d. distribution requirements planning (DRP) records