Question 1

In a stopwatch time study, the average of the times recorded for a given worker to perform a given task is the:

Accepted Answer

A)  observed timE. 
B)  normal time. 
C)  standard time. 
D)  allowance time. 
E)  performance rating time. 
A)  observed timE. 
B)  normal time. 
C)  standard time. 
D)  allowance time. 
E)  performance rating time.

Question 2

A flow process chart is helpful for visualizing the portions of a work cycle during which the equipment is busy or idle.

Accepted Answer

A) True 
 B)False

Question 3

The owner of Kat Motel wants to develop a time standard for the task of cleaning a cat cage. In a preliminary study, she observed one of her workers perform this task six times, with the following results: $$\begin{array} { | l | c | c | c | c | c | c | } 
\hline \text { Observation } & 1 & 2 & 3 & 4 & 5 & 6 \
\hline \text { Time(Seconds) } & 99 & 87 & 90 & 81 & 93 & 90 \
\hline
\end{array}$$ How many observations should be made if she wants to be 95.44 percent confident that the maximum error in the observed time is two seconds? Assume that the standard deviation of the task time is six seconds.

Accepted Answer

A)  5 
B)  6 
C)  30 
D)  36 
E)  49 
A)  5 
B)  6 
C)  30 
D)  36 
E)  49

Question 4

The two basic causes of accidents are worker carelessness and management demands for increased productivity.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following statements should not characterize an operations strategy toward the design of work systems?

Accepted Answer

A)  Manufacturing technology is the heart of a business. 
B)  Workers can make or break a business. 
C)  Workers can be a valuable source of insights. 
D)  A spirit of cooperation can contribute to success. 
E)  Workers can be proud and respected. 
A)  Manufacturing technology is the heart of a business. 
B)  Workers can make or break a business. 
C)  Workers can be a valuable source of insights. 
D)  A spirit of cooperation can contribute to success. 
E)  Workers can be proud and respected.

Question 6

The design of work systems is based on objective standards and thereby avoids most ethical issues.

Accepted Answer

A) True 
 B)False

Question 7

A behavioral approach to job design which increases responsibility for planning and coordinating tasks is job:

Accepted Answer

A)  enlargement. 
B)  rotation. 
C)  enrichment. 
D)  involvement. 
E)  enhancement. 
A)  enlargement. 
B)  rotation. 
C)  enrichment. 
D)  involvement. 
E)  enhancement.

Question 8

Which of the following is not an advantage of work sampling compared to stopwatch time study?

Accepted Answer

A)  There is little or no disruption of work. 
B)  It is less susceptible to short-term fluctuations. 
C)  Workers are less resentful. 
D)  It is less costly and less time-consuming. 
E)  It is better suited for short, repetitive tasks. 
A)  There is little or no disruption of work. 
B)  It is less susceptible to short-term fluctuations. 
C)  Workers are less resentful. 
D)  It is less costly and less time-consuming. 
E)  It is better suited for short, repetitive tasks.

Question 9

What is the effect of an increase in the desired confidence level on the number of observations necessary in a time study?

Accepted Answer

A)  increases 
B)  decreases 
C)  unaffected 
D)  may increase or decrease, depending on the sample standard deviation 
E)  impossible to say without additional information 
A)  increases 
B)  decreases 
C)  unaffected 
D)  may increase or decrease, depending on the sample standard deviation 
E)  impossible to say without additional information

Question 10

A job has an observed cycle time of four minutes, a performance rating of 80 percent, and an allowance that is 20 percent of job time. Normal time for the job in minutes is:

Accepted Answer

A)  3.20. 
B)  3.84. 
C)  4.00. 
D)  4.80. 
E)  5.00. 
A)  3.20. 
B)  3.84. 
C)  4.00. 
D)  4.80. 
E)  5.00.

Question 11

Which of the following most closely describes job enlargement?

Accepted Answer

A)  horizontal loading 
B)  increasing the level of responsibility associated with a job 
C)  transferring workers through a series of jobs to increase their scope of experience 
D)  increasing the amount of workspace assigned to a worker 
E)  assigning two jobs to the same worker 
A)  horizontal loading 
B)  increasing the level of responsibility associated with a job 
C)  transferring workers through a series of jobs to increase their scope of experience 
D)  increasing the amount of workspace assigned to a worker 
E)  assigning two jobs to the same worker

Question 12

Self-directed teams are allowed to make changes in the work processes under their control.

Accepted Answer

A) True 
 B)False

Question 13

One form of long-term team that is increasingly being used, especially in lean production settings, is:

Accepted Answer

A)  quality circle. 
B)  product design. 
C)  self-directeD. 
D)  self-improvement. 
E)  mandatory. 
A)  quality circle. 
B)  product design. 
C)  self-directeD. 
D)  self-improvement. 
E)  mandatory.

Question 14

A methods and measurements analyst needs to develop a time standard for a certain task. In a preliminary study, he observed one of his workers perform this task five times, with the following results: $$\begin{array} { | l | c | c | c | c | c | } 
\hline \text { Observation } & 1 & 2 & 3 & 4 & 5 \
\hline \text { Time(Seconds) } & 84 & 76 & 80 & 84 & 76 \
\hline
\end{array}$$ What is the observed time for this task?

Accepted Answer

A)  80 seconds 
B)  84 seconds 
C)  160 seconds 
D)  240 seconds 
E)  400 seconds 
A)  80 seconds 
B)  84 seconds 
C)  160 seconds 
D)  240 seconds 
E)  400 seconds

Question 15

The owner of Touchdown Sports Bar wants to develop a time standard for the task of mixing a specialty cocktail. In a preliminary study, he observed one of his bartenders perform this task seven times with an average of 90 seconds and a standard deviation of five seconds.
What is the normal time for this task if the bartender worked at a 20 percent faster pace than is average?

Accepted Answer

A)  75 seconds 
B)  90 seconds 
C)  108 seconds 
D)  110 seconds 
E)  112.5 seconds 
A)  75 seconds 
B)  90 seconds 
C)  108 seconds 
D)  110 seconds 
E)  112.5 seconds

Question 16

Output-based systems compensate employees according to the amount of output they produce, thereby tying pay directly to performance.

Accepted Answer

A) True 
 B)False

Question 17

In motion studies, a therblig is a:

Accepted Answer

A)  charting method of analysis. 
B)  job enrichment technique. 
C)  dummy task. 
D)  basic elemental motion. 
E)  fraction (.0006) of a minute. 
A)  charting method of analysis. 
B)  job enrichment technique. 
C)  dummy task. 
D)  basic elemental motion. 
E)  fraction (.0006) of a minute.

Question 18

A methods and measurement analyst wants to develop a time standard for a certain task. In a preliminary study, he observed one worker perform the task six times with an average observed time of 20 seconds and a standard deviation of two seconds.
What is the standard time for this task if the employee worked at a 20 percent faster pace than average, and an allowance of 25 percent of job time is used?

Accepted Answer

A)  20 seconds 
B)  25 seconds 
C)  26.7 seconds 
D)  30 seconds 
E)  32 seconds 
A)  20 seconds 
B)  25 seconds 
C)  26.7 seconds 
D)  30 seconds 
E)  32 seconds

Question 19

Which of the following is not a potential benefit of the use of self-directed teams?

Accepted Answer

A)  higher quality 
B)  higher productivity 
C)  greater worker satisfaction 
D)  greater satisfaction for middle managers 
E)  lower turnover 
A)  higher quality 
B)  higher productivity 
C)  greater worker satisfaction 
D)  greater satisfaction for middle managers 
E)  lower turnover

Question 20

Work sampling can be used to estimate the proportion of time a machine is idle.

Accepted Answer

A) True 
 B)False

Exam 9: Work Design and Measurement

In a stopwatch time study, the average of the times recorded for a given worker to perform a given task is the:

A flow process chart is helpful for visualizing the portions of a work cycle during which the equipment is busy or idle.

The two basic causes of accidents are worker carelessness and management demands for increased productivity.

Which of the following statements should not characterize an operations strategy toward the design of work systems?

The design of work systems is based on objective standards and thereby avoids most ethical issues.

A behavioral approach to job design which increases responsibility for planning and coordinating tasks is job:

Which of the following is not an advantage of work sampling compared to stopwatch time study?

What is the effect of an increase in the desired confidence level on the number of observations necessary in a time study?

A job has an observed cycle time of four minutes, a performance rating of 80 percent, and an allowance that is 20 percent of job time. Normal time for the job in minutes is:

Which of the following most closely describes job enlargement?

Self-directed teams are allowed to make changes in the work processes under their control.

One form of long-term team that is increasingly being used, especially in lean production settings, is:

A methods and measurements analyst needs to develop a time standard for a certain task. In a preliminary study, he observed one of his workers perform this task five times, with the following results: Observation 1 2 3 4 5 Time(Seconds) 84 76 80 84 76 What is the observed time for this task?

Output-based systems compensate employees according to the amount of output they produce, thereby tying pay directly to performance.

In motion studies, a therblig is a:

Which of the following is not a potential benefit of the use of self-directed teams?

Work sampling can be used to estimate the proportion of time a machine is idle.

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

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

Scheduling

Project Management

Management of Waiting Lines

Linear Programming

Filters