Question 1

Scheduling hourly work times using the "first-hour principle" ensures that no excess labor will be used during the work shift.

Accepted Answer

A) True 
 B)False

Question 2

Assume you are sequencing jobs using Johnson's rule. There are three jobs called A, B, and C. The first step is assembling and the second step is painting. Job A requires 3 hours to assemble and 6 hours to paint. Job B requires 7 hours to assemble and 2 hours to paint. Job C requires 4 hours to assemble and 1 hour to paint. The objective is to minimize the total processing time of all jobs, using Johnson's rule. What is the correct sequence to process the jobs?

Accepted Answer

A)  A-C-B 
B)  B-C-A 
C)  B-A-C 
D)  A-B-C 
E)  C-B-A 
A)  A-C-B 
B)  B-C-A 
C)  B-A-C 
D)  A-B-C 
E)  C-B-A

Question 3

In a process sequence where a product flows from process A to process B, process B is called the contingent process.

Accepted Answer

A) True 
 B)False

Question 4

Rather than try to adjust the master production schedule to change resource loads, it is more practical to control the flow at each bottleneck or CCR to bring capacities in line.

Accepted Answer

A) True 
 B)False

Question 5

Buffer inventory in front of a bottleneck is called a time buffer.

Accepted Answer

A) True 
 B)False

Question 6

Shop-floor control (or production activity control) can involve reviewing the status and controlling the progress of orders as they are being worked on.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following priority rules used in scheduling the sequence of production is calculated as the slack time remaining in the schedule divided by the number of remaining operations, with the smallest value being run first?

Accepted Answer

A)  STR 
B)  Johnson's 
C)  STR/OP 
D)  LCFS 
E)  FCFS 
A)  STR 
B)  Johnson's 
C)  STR/OP 
D)  LCFS 
E)  FCFS

Question 8

When work has been scheduled in a shop that does not have sufficient resources to complete the schedule on time, the system that generated the schedule is called which of the following?

Accepted Answer

A)  Infinite loading 
B)  Machine-limited 
C)  Finite loading 
D)  Labor-limited 
E)  Constrained 
A)  Infinite loading 
B)  Machine-limited 
C)  Finite loading 
D)  Labor-limited 
E)  Constrained

Question 9

According to the theory of constraints, which of the following is a financial measurement that can be used to measure the firm's ability to make money?

Accepted Answer

A)  Operating expenses 
B)  Cash flow 
C)  Inventory 
D)  Sales 
E)  Dividends 
A)  Operating expenses 
B)  Cash flow 
C)  Inventory 
D)  Sales 
E)  Dividends

Question 10

A process batch should be no larger than the transfer batch.

Accepted Answer

A) True 
 B)False

Question 11

One way to find a bottleneck is to run a capacity resource profile.

Accepted Answer

A) True 
 B)False

Question 12

The objectives of workcenter scheduling include which of the following?

Accepted Answer

A)  Minimizing worker alienation 
B)  Providing variety to workforce 
C)  Following all the priority rules 
D)  Avoiding trade offs 
E)  Minimizing setup costs 
A)  Minimizing worker alienation 
B)  Providing variety to workforce 
C)  Following all the priority rules 
D)  Avoiding trade offs 
E)  Minimizing setup costs

Question 13

According to the theory of constraints, which of the following is a kind of time that makes up the cycle time in production?

Accepted Answer

A)  Quality time 
B)  Break time 
C)  Research time 
D)  Just-in-time 
E)  Idle time 
A)  Quality time 
B)  Break time 
C)  Research time 
D)  Just-in-time 
E)  Idle time

Question 14

JIT requires vendors to be located nearby. When compared to synchronous manufacturing, this is viewed as an advantage of JIT.

Accepted Answer

A) True 
 B)False

Question 15

The objective of Johnson's rule for job sequencing is to minimize flow time from the beginning of the first job until the completion of the last job.

Accepted Answer

A) True 
 B)False

Question 16

The "dollar days" inventory measurement results from a complex algorithm used to compute individual units of inventory and their respective ordering and holding costs.

Accepted Answer

A) True 
 B)False

Question 17

A shop-floor control system is a system that uses data from the shop floor as well as data processing files to maintain and communicate status information on shop orders and workcenters.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is a negative aspect of JIT compared to synchronous manufacturing?

Accepted Answer

A)  JIT cannot deal with outside vendors. 
B)  JIT needs broadly fluctuating production levels. 
C)  JIT does not allow very much flexibility in the products produced. 
D)  JIT requires a great deal of workforce computational skills. 
E)  JIT does not deal well with bottlenecks. 
A)  JIT cannot deal with outside vendors. 
B)  JIT needs broadly fluctuating production levels. 
C)  JIT does not allow very much flexibility in the products produced. 
D)  JIT requires a great deal of workforce computational skills. 
E)  JIT does not deal well with bottlenecks.

Question 19

Priority rules are the rules used to obtain a job sequence in production scheduling.

Accepted Answer

A) True 
 B)False

Question 20

A job has 5 days of processing time left to do before completion, and today is the 10th day of the month. If the job is due on the 14th day of the month, what is its critical ratio?

Accepted Answer

A)  5 
B)  2 
C)  0.8 
D)  0.5 
E)  0.1 
A)  5 
B)  2 
C)  0.8 
D)  0.5 
E)  0.1

Exam 22: Workcenter Scheduling

Scheduling hourly work times using the "first-hour principle" ensures that no excess labor will be used during the work shift.

In a process sequence where a product flows from process A to process B, process B is called the contingent process.

Rather than try to adjust the master production schedule to change resource loads, it is more practical to control the flow at each bottleneck or CCR to bring capacities in line.

Buffer inventory in front of a bottleneck is called a time buffer.

Shop-floor control (or production activity control) can involve reviewing the status and controlling the progress of orders as they are being worked on.

Which of the following priority rules used in scheduling the sequence of production is calculated as the slack time remaining in the schedule divided by the number of remaining operations, with the smallest value being run first?

When work has been scheduled in a shop that does not have sufficient resources to complete the schedule on time, the system that generated the schedule is called which of the following?

According to the theory of constraints, which of the following is a financial measurement that can be used to measure the firm's ability to make money?

A process batch should be no larger than the transfer batch.

One way to find a bottleneck is to run a capacity resource profile.

The objectives of workcenter scheduling include which of the following?

According to the theory of constraints, which of the following is a kind of time that makes up the cycle time in production?

JIT requires vendors to be located nearby. When compared to synchronous manufacturing, this is viewed as an advantage of JIT.

The objective of Johnson's rule for job sequencing is to minimize flow time from the beginning of the first job until the completion of the last job.

The "dollar days" inventory measurement results from a complex algorithm used to compute individual units of inventory and their respective ordering and holding costs.

A shop-floor control system is a system that uses data from the shop floor as well as data processing files to maintain and communicate status information on shop orders and workcenters.

Which of the following is a negative aspect of JIT compared to synchronous manufacturing?

Priority rules are the rules used to obtain a job sequence in production scheduling.

A job has 5 days of processing time left to do before completion, and today is the 10th day of the month. If the job is due on the 14th day of the month, what is its critical ratio?

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A job has 5 days of processing time left to do before completion, and today is the 10^th day of the month. If the job is due on the 14^th day of the month, what is its critical ratio?