Test 3
According to the theory of constrains (TOC), bottleneck work centers should be managed identically to nonbottlenecks a. true b. false
False
Capacity requirements planning can be used in firms that do not utilize material requirements planning a. true b. false
False
Finite scheduling systems use only vertical loading a. true b. false
False
Finite scheduling techniques always assign jobs to available capacity on a first-come, first-served basis. a. true b. false
False
In a two-machine system, the order jobs are processed has no effect on total time to completion. a. True b. False
False
Input/Output control is especially important at a firm that uses just in time systems a. true b. false
False
Rough-cut planning techniques are not useful for most firms. a. true b. false
False
The horizontal loading scheduling approach is more likely to result in higher capacity utilization a. true b. false
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
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
False
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
The horizontal loading scheduling approach is more likely to result in more complete jobs at the end of the planning cycle/
a. true b. False
Advanced production scheduling (APS) systems use only vertical loading
a. true b. false
Capacity requirements planning (CRP) can be used in firms that don't utilize material requirements planning (MRP)
a. true b. false
Input/output control is especially important at a firm that uses just-in-time (JIT) systems.
a. true b. false
Rough- cut planning techniques are not useful for most firms.
a. true b. false
When preparing advanced production scheduling (APS) system time estimates, it is desirable to overstate the time estimate to allow some slack in the system
a. true b. false
According to the theory of constraints (TOC), bottleneck work centers should be managed identically to non-bottlenecks.
a. true b. false
Which of the following are sequencing rules used in practice? 1. First come / first serve 2. earliest due date 3. least work remaining
all of the above
Customer purchases are generally part of dependent demand. a. True b. False
b
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
Which capacity planning activities are considered short-range planning? a. resource planning b. rough-cut capacity planning c. capacity requirement planning d. finite scheduling and I/O analysis
finite scheduling and I/O analysis
Input/Output controls compares:
planned inputs and outputs to actual values.
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. I/O analysis
resource planning and rough-cut capacity planning
Resource planning is most closely linked to which manufacturing planning and control (MPC) element? a. master production scheduling b. sales and operation planning c. material requirements planning d. shop-floor control
sales and operations planning
Good production activity control design and practice can compress run time. a. true b. false
true
Vendor scheduling is critical in a just in time system a. true b. false
true
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
1 and 2 only
Which of the following is an objective of capacity planning? 1. building excess capacity for possible future use 2. estimating capacity requirements early enough to take action if necessary 3. execution of the plan to avoid surprises
1 and 3 only
According to the theory of constraints, which of the conditions is most desirable?
100% utilization of bottleneck work centers
Updating order due dates to reflect changes in conditions always improves shop-flow performance a. true b. false
false
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
One means of reducing overall setup times is called part family scheduling a. True b. False
A
a visual representation of the scheduling process can be provided by: a. priority sequensing rules b. a gantt chart c. poka-yoke d. capacity requirements planning
A Gnatt chart
In the following two-machine system, which schedule will result in the lowest total production time? Job ID Machine 1 Time Machine 2 Time A 5 7 B 3 9 C 9 2 D 5 5 E 8 7 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
Which of the following are benefits of simultaneous planning of capacity and materials?
Better utilization of existing capcity
which capacity planning technique is based on accounting and/or historical data? a. CPOF b. capacity bills c. resource profiles d. CRP
CPOF
In which of the following ways does capacity requirements planning differ from rough-cut capacity planning techniques?
CRP uses a time-phased approach and CRP considers service part demand.
Which of the following are capacities that may need to be managed?
Direct labour, inspection, engineering
The prime objective of production activity control is: a. meeting MPC plans b. efficient use of capacity c. efficient use of labor d. efficient use of materials
Efficient use of capacity
Which of the following are useful measures of capacity?
Machine-hours and Labor-hours
Priority sequencing rules determine which of the following? 1. allocation of goods to customers 2. which machines to service next 3. which jobs to run at a work center
ONLY which jobs to run at a work center.
In a one machine system, the shorted processing time (SPT) sequencing rule performs well to reduce overall job lateness a. True b. False
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
True
Production activity control (PAC) pertains mainly to activities that take place in the MPC engine. a. true b. false
True
The "order slack" priority sequencing rule schedules the job with the least slack to be run first. a. true b. false
True
The capacity bill planning technique provides more direct linkages to end products than does the capacity requirements using overall factors (CPOF) planning method. a. true b. false
True
15. Under theory of constraints (TOC), conflicts between material requirements planning and finite scheduling are reduced a. True b. False
a
4. 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
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
Distribution requirements planning (DRP) and material requirements planning (MRP) use a consistent data format. a. True b. False
a
Distribution requirements planning (DRP) systems can utilize both safety stock and safety lead time. a. True b. False
a
In distribution requirements planning (DRP) systems, forecast bias is a more serious problem than forecast errors. a. True b. False
a
In theory of constraints (TOC), bottleneck work centers are scheduled using forward finite loading techniques a. true b. false
a
In theory of constraints (TOC), even an inefficient means of adding capacity to a bottleneck resource should be implemented a. True b. False
a
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
When multiple warehouses are part of a system, distribution requirements planning (DRP) data are generated for each warehouse. a. True b. False
a
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
Which of the following is an objective of capacity planning? I. Building excess capacity or 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
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
According to the theory of constraint (TOC), which of these conditions is most desirable? I. 1000% utilization of bottleneck work centers II. 100% utilization of non-bottleneck 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
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
Which of the following 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
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 materiel planning (MRP) d. Shop-floor control
Resource planning is most closely linked to which manufacturing planning and control (MPC) element?
a. Master production scheduling (MPS) b. Sales and operations planning (SOP) c. Material requirements planning (MRP) d. Shop-floor control
Capacity requirements (CRP) ignores current finished goods and work-in-process inventory levels.
a. True b. False
Finite scheduling techniques always assign jobs to available capacity on a first-come, first-served basis.
a. True b. False
The capacity bill planning techniques provides more direct linkages to end products than does the capacity requirements using overall factors (CPOF) planning method.
a. True b. False
The capacity requirements using overall factors (CPOF) planning method is likely to function poorly in a just-in-time (JIT) environment.
a. True b. False
Under what conditions are both capacity requirements 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
Which capacity planning techniques 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
Which of these planning techniques requires the most computing resources?
a. capacity requirements using overall factors (CPOF) b. resource profiles c. capacity bills d. capacity requirements planning(CRP)
Resource profile planning differs from capacity requirements 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
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 in inputs to quality of outputs
Which capacity planning activities are considered short-rang planning?
a. resource planning b. rough-cut capacity planning c. capacity requirements planning d. finite loading and input/output analysis
Which capacity planning activities are considered long-range planning?
a. resource planning and rough-cut capacity planning b. capacity requirements planning c. finite loading d. input/ output analysis
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
Good labor scheduling practice keeps a worker at the same station for an entire shift a. True b. False
b
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
In a theory of constraints (TOC) system, the term "rope" refers to bottleneck resources a. True b. False
b
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
In theory of constraints (TOC), non bottleneck resources should be managed with a. Push systems b. Pull systems c. Either push or pull systems d. Neither push nor pull systems and control (front end, engine, and back end
b
Theory of constraints (TOC) systems, inventory buffers before bottleneck resources are eliminated a. true b. false
b
Theory of constraints (TOC) uses consistent batch sizes for bottleneck and non-bottleneck resources a. True b. False
b
Resource profile planning differs from capacity requirements 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 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
The theory of constraints (TOC) scheduling approach is referred to as.. a. Drum-buffer-constraint b. Drum-rope-constraint c. Drum-buffer-roped d. Drum-bottleneck-rope
c
Theory of constraints (TOC) systems are most concerned with a. Reducing inventory b. Machine efficiency c. Bottleneck utilization d. Labor efficiency
c
Which of these planning techniques required the most computing resources
capacity requirements planning
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) 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
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
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
Production activity control's 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.
detailed capacity planning
Capacity requirements planning is most closely linked to which manufacturing planning and control element? a. master production scheduling b. sales and operations planning c. detailed material planning d. shop-floor control
detailed material planning
Capacity requirements planning ignores current finished goods and WIP inventory levels a. true b. false
false
Formal Shop-Floor control systems are necessary in a just-in-time (JIT) system. a. true b. false
false
The capacity planning using overall factors planning method is likely to function poorly in a just in time environment. a. true b. false
false
The shop-floor control (SFC) system is kept current on changes to the material plan by the MRP system. a. true b. false
false
Under what conditions are both capacity planning using overall factors and capacity bills likely to return the same capacity requirement result? 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
when planning for a single product that is produced in a single work center.
