Question 1

Effective scheduling cannot:

Accepted Answer

A)  yield cost savings and improved productivity. 
B)  reduce the need for expansion of facilities. 
C)  improve customer service. 
D)  eliminate the need to train employees. 
E)  improve patient care in medical settings. 
A)  yield cost savings and improved productivity. 
B)  reduce the need for expansion of facilities. 
C)  improve customer service. 
D)  eliminate the need to train employees. 
E)  improve patient care in medical settings. D

Question 2

The president of a consulting firm wants to minimize the total number of hours it will take to complete four projects for a new client. Accordingly, she has estimated the time it should take for each of her top consultants-Charlie, Betty, Johnny, and Rick-to complete any of the four projects, as follows:  
Assume there must be one-to-one matching between consultants and projects. What is the optimal assignment of consultants to projects?

Accepted Answer

A)  Charlie to A; Betty to B; Johnny to C; Rick to D 
B)  Charlie to D; Betty to C; Johnny to B; Rick to A 
C)  Charlie to C; Betty to A; Johnny to D; Rick to B 
D)  Charlie to D; Betty to B; Johnny to C; Rick to A 
E)  Charlie to D; Betty to A; Johnny to C; Rick to B 
A)  Charlie to A; Betty to B; Johnny to C; Rick to D 
B)  Charlie to D; Betty to C; Johnny to B; Rick to A 
C)  Charlie to C; Betty to A; Johnny to D; Rick to B 
D)  Charlie to D; Betty to B; Johnny to C; Rick to A 
E)  Charlie to D; Betty to A; Johnny to C; Rick to B E

Question 3

Which of the following is critical to effective yield management?

Accepted Answer

A)  one-price pricing 
B)  forecasting 
C)  capacity flexibility 
D)  constant demand 
E)  trained service personnel 
A)  one-price pricing 
B)  forecasting 
C)  capacity flexibility 
D)  constant demand 
E)  trained service personnel B

Question 4

The purpose of cyclical scheduling is to:

Accepted Answer

A)  eliminate weekends and holidays. 
B)  establish work assignments that will repeat on a cyclical basis. 
C)  add flexible hours. 
D)  incorporate overtime. 
E)  rotate schedules across a service workforce to ensure everyone gets an equal number of weekends off per year. 
A)  eliminate weekends and holidays. 
B)  establish work assignments that will repeat on a cyclical basis. 
C)  add flexible hours. 
D)  incorporate overtime. 
E)  rotate schedules across a service workforce to ensure everyone gets an equal number of weekends off per year.

Question 5

Eva, the owner of Eva's Second Time Around Wedding Dresses, currently has five dresses to be altered, shown in the order in which they arrived: $$\begin{array} { c c c } 
\text { Job } & \begin{array} { r } 
\text { Processing Time } \
\text { (hrs) }
\end{array} & \begin{array} { c } 
\text { Due } \
\text { (hrs from now) }
\end{array} \
\text { V } & 3 & 5 \
\text { W } & 1 & 1 \
\text { X } & 4 & 9 \
\text { Y } & 2 & 3 \
\text { Z } & 5 & 7
\end{array}$$
If Eva uses the shortest processing time first priority rule to schedule these jobs, what will be the average job tardiness?

Accepted Answer

A)  2 hours 
B)  2.2 hours 
C)  2.33 hours 
D)  2.4 hours 
E)  3 hours 
A)  2 hours 
B)  2.2 hours 
C)  2.33 hours 
D)  2.4 hours 
E)  3 hours

Question 6

Priority rules generally assume that job setup cost is independent of the processing sequence of jobs.

Accepted Answer

A) True 
 B)False

Question 7

Priority rules are used in low-volume systems to identify an optimal processing sequence.

Accepted Answer

A) True 
 B)False

Question 8

A Gantt chart is a basic scheduling tool that works best for high-volume systems.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is not usually a characteristic of successful high-volume systems?

Accepted Answer

A)  smooth workflow through the system 
B)  customized output 
C)  rapid repair of breakdowns 
D)  minimal quality problems 
E)  reliable supply schedules 
A)  smooth workflow through the system 
B)  customized output 
C)  rapid repair of breakdowns 
D)  minimal quality problems 
E)  reliable supply schedules

Question 10

A schedule chart can be used to monitor job progress.

Accepted Answer

A) True 
 B)False

Question 11

Input/output (I/O) control refers to monitoring the productivity changes since productivity is determined by the ratio of output to input.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is least likely to be a source of disruption that results in less than the desired output in a high-volume system?

Accepted Answer

A)  equipment failures 
B)  material shortages 
C)  accidents 
D)  worker absences 
E)  demand variability 
A)  equipment failures 
B)  material shortages 
C)  accidents 
D)  worker absences 
E)  demand variability

Question 13

Line balancing is a major factor in the design and scheduling of low-volume systems because of batch processing.

Accepted Answer

A) True 
 B)False

Question 14

The following matrix shows relative costs for various job-machine combinations. Assume there must be one-to-one matching between jobs and machines. Which set of pairs constitutes the minimum-cost solution using the assignment method?

Accepted Answer

A)  1-B, 2-C, 3-A 
B)  1-B, 2-A, 3-C 
C)  1-A, 2-C, 3-B 
D)  1-A, 2-B, 3-C 
E)  1-C, 2-A, 3-B 
A)  1-B, 2-C, 3-A 
B)  1-B, 2-A, 3-C 
C)  1-A, 2-C, 3-B 
D)  1-A, 2-B, 3-C 
E)  1-C, 2-A, 3-B

Question 15

Scheduling pertains to:

Accepted Answer

A)  hiring workers. 
B)  process selection. 
C)  buying machinery. 
D)  timing the use of specific resources. 
E)  determining the lowest cost. 
A)  hiring workers. 
B)  process selection. 
C)  buying machinery. 
D)  timing the use of specific resources. 
E)  determining the lowest cost.

Question 16

The EDD priority rule usually does well with regard to:

Accepted Answer

A)  cost. 
B)  lateness. 
C)  overtime. 
D)  waste. 
E)  makespan. 
A)  cost. 
B)  lateness. 
C)  overtime. 
D)  waste. 
E)  makespan.

Question 17

A scheduling technique used to achieve an optimum matching of tasks and resources is:

Accepted Answer

A)  the assignment methoD. 
B)  Johnson's rule. 
C)  the optimum production technology method. 
D)  the appointment method. 
E)  the reservation method. 
A)  the assignment methoD. 
B)  Johnson's rule. 
C)  the optimum production technology method. 
D)  the appointment method. 
E)  the reservation method.

Question 18

Similar to that in manufacturing, the service scheduling hierarchy begins with __________ and ends with _________.

Accepted Answer

A)  aggregate planning; detailed daily scheduling 
B)  aggregate planning; master scheduling 
C)  master scheduling; detailed material planning 
D)  aggregate planning; detailed material planning 
E)  quarterly planning; monthly planning 
A)  aggregate planning; detailed daily scheduling 
B)  aggregate planning; master scheduling 
C)  master scheduling; detailed material planning 
D)  aggregate planning; detailed material planning 
E)  quarterly planning; monthly planning

Question 19

The operations manager of a body and paint shop has five cars to schedule for repair. He would like to minimize the makespan to complete all work on these cars. Each car requires body work prior to painting. The estimates of the times required to do the body and paint work on each are as follows: $$\begin{array} { c c c } 
\text { Car } & \begin{array} { c } 
\text { Body Work } \
\text { (hrs) }
\end{array} & \begin{array} { c } 
\text { Paint } \
\text { (hrs) }
\end{array} \
\text { A } & 10 & 2 \
\text { B } & 5 & 4 \
\text { C } & 7 & 5 \
\text { D } & 3 & 6 \
\text { E } & 1 & 7
\end{array}$$
What is the idle time at the paint work center for the optimal schedule?

Accepted Answer

A)  1 hour 
B)  2 hours 
C)  4 hours 
D)  7 hours 
E)  10 hours 
A)  1 hour 
B)  2 hours 
C)  4 hours 
D)  7 hours 
E)  10 hours

Question 20

A work center can be a:
(I) machine.
(II) group of machines.
(III) department.
IV) a part used to produce a product.

Accepted Answer

A)  I, II, and III only 
B)  II and IV only 
C)  II and III only 
D)  I and III only 
E)  I, II, III, and IV 
A)  I, II, and III only 
B)  II and IV only 
C)  II and III only 
D)  I and III only 
E)  I, II, III, and IV

Exam 22: Scheduling

Effective scheduling cannot:

Which of the following is critical to effective yield management?

The purpose of cyclical scheduling is to:

Priority rules generally assume that job setup cost is independent of the processing sequence of jobs.

Priority rules are used in low-volume systems to identify an optimal processing sequence.

A Gantt chart is a basic scheduling tool that works best for high-volume systems.

Which of the following is not usually a characteristic of successful high-volume systems?

A schedule chart can be used to monitor job progress.

Input/output (I/O) control refers to monitoring the productivity changes since productivity is determined by the ratio of output to input.

Which of the following is least likely to be a source of disruption that results in less than the desired output in a high-volume system?

Line balancing is a major factor in the design and scheduling of low-volume systems because of batch processing.

The following matrix shows relative costs for various job-machine combinations. Assume there must be one-to-one matching between jobs and machines. Which set of pairs constitutes the minimum-cost solution using the assignment method?

Scheduling pertains to:

The EDD priority rule usually does well with regard to:

A scheduling technique used to achieve an optimum matching of tasks and resources is:

Similar to that in manufacturing, the service scheduling hierarchy begins with __________ and ends with _________.

A work center can be a: (I) machine. (II) group of machines. (III) department. IV) a part used to produce a product.

Introduction to Operations Management

Competitiveness

Forecasting

Product and Service Design

RELIABILITY – Static

Strategic Capacity Planning for Products and Services

Decision Theory– Static

Process Selection and Facility Layout

Work Design and Measurement

learning curve– Static

Location Planning and Analysis

The Transportation Model– Static

Management of Quality

Quality Control

Acceptance Sampling– Static

Aggregate Planning and Master Scheduling

MRP and ERP

Inventory Management

JIT and Lean Operations

Maintenance– Static

Supply Chain Management

Project Management

Management of Waiting Lines

Linear Programming

Filters

Similar to that in manufacturing, the service scheduling hierarchy begins with __ and ends with _.