Question 1

The long-term relationship among the inventory, throughput, and flow time of a production system in steady state is called which of the following?

Accepted Answer

A)  Peterson's rule 
B)  Murphy's law 
C)  Little's law 
D)  Robert's rule 
E)  None of these choices are correct. 
A)  Peterson's rule 
B)  Murphy's law 
C)  Little's law 
D)  Robert's rule 
E)  None of these choices are correct.

Question 2

Consider a three sequentially stepped process named as Process A, Process B, and Process C. Input comes into Process A. Output from A goes into Process B. Output from B goes into Process C. Output of C is the final output. Suppose that it takes 2 minutes per unit in Process A, 3 minutes per unit in Process B and 1 minute per unit in Process C. What will be maximum steady state output from this system?

Accepted Answer

A)  30 per hour 
B)  60 per hour 
C)  20 per hour 
D)  10 per hour 
E)  Cannot tell since it depends on the input rate 
A)  30 per hour 
B)  60 per hour 
C)  20 per hour 
D)  10 per hour 
E)  Cannot tell since it depends on the input rate

Question 3

Productivity in a production process can be measured by the ratio of output to input.

Accepted Answer

A) True 
 B)False

Question 4

Little's law states that Inventory = Throughput rate ÷ Flow time.

Accepted Answer

A) True 
 B)False

Question 5

Cycle time is the ratio of the time that a resource is actually activated relative to the time that it is available for use.

Accepted Answer

A) True 
 B)False

Question 6

A diamond is conventionally used in a process flowchart to represent a storage area or queue.

Accepted Answer

A) True 
 B)False

Question 7

A process flowchart uses which of the following symbols to represent a decision point in a flow diagram?

Accepted Answer

A)  Rectangle 
B)  Arrow 
C)  Inverted triangle 
D)  Diamond 
E)  A dashed line 
A)  Rectangle 
B)  Arrow 
C)  Inverted triangle 
D)  Diamond 
E)  A dashed line

Question 8

A service operation by its very nature is a make-to-stock type of production process.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following terms describes the time required to prepare a machine to make a particular item.

Accepted Answer

A)  Cycle time 
B)  Flow time 
C)  Run time 
D)  Setup time 
E)  Efficiency 
A)  Cycle time 
B)  Flow time 
C)  Run time 
D)  Setup time 
E)  Efficiency

Question 10

According to Little's law, which of the following ratios is used to find flow time?

Accepted Answer

A)  Cycle time/Process time 
B)  Throughput time/Process velocity 
C)  Process velocity/Throughput time 
D)  Inventory/Throughput rate 
E)  Value-added time/Process velocity 
A)  Cycle time/Process time 
B)  Throughput time/Process velocity 
C)  Process velocity/Throughput time 
D)  Inventory/Throughput rate 
E)  Value-added time/Process velocity

Question 11

Methods Time Management (MTM) and Most Work Measurement System (MOST) are proprietary examples of predetermined motion-time data systems (PMTSes).

Accepted Answer

A) True 
 B)False

Question 12

Make-to-stock production processes can easily handle requests for customized product features.

Accepted Answer

A) True 
 B)False

Question 13

Hybrid processes combine features of make-to-order and make-to-stock production processes.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following terms describes the time a unit spends actually being worked on together with the time spent waiting in a queue?

Accepted Answer

A)  Cycle time 
B)  Flow time 
C)  Run time 
D)  Setup time 
E)  Efficiency 
A)  Cycle time 
B)  Flow time 
C)  Run time 
D)  Setup time 
E)  Efficiency

Question 15

According to Little's law, which of the following can be used to estimate inventory?

Accepted Answer

A)  Process time ÷ Cycle time 
B)  Throughput rate × Flow time 
C)  Process velocity ÷ Flow time 
D)  Setup time ÷ Throughput rate 
E)  Value-added time ÷ Process velocity 
A)  Process time ÷ Cycle time 
B)  Throughput rate × Flow time 
C)  Process velocity ÷ Flow time 
D)  Setup time ÷ Throughput rate 
E)  Value-added time ÷ Process velocity

Question 16

Process velocity is the ratio of the total throughput time to the value added time.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following terms describes sum of the setup time and run time for a batch of parts that are run on a machine.

Accepted Answer

A)  Cycle time 
B)  Operation time 
C)  Run time 
D)  Setup time 
E)  Efficiency 
A)  Cycle time 
B)  Operation time 
C)  Run time 
D)  Setup time 
E)  Efficiency

Question 18

Consider a business that can be run using a make-to-stock or make-to-order process. Further suppose that your demand is 10,000 per month and is spread out during the month. Capacity of both processes is 15,000 per month. Based only on this information, what would be the best choice?

Accepted Answer

A)  Choose make-to-stock process. 
B)  Choose make-to-order process. 
C)  Install an assembly line. 
D)  Raise prices in order to increase demand. 
E)  None of these choices are correct. 
A)  Choose make-to-stock process. 
B)  Choose make-to-order process. 
C)  Install an assembly line. 
D)  Raise prices in order to increase demand. 
E)  None of these choices are correct.

Question 19

Which of the following production process terms best describes a technique that allows the stages in a production process to operate independently?

Accepted Answer

A)  Blocking 
B)  Buffering 
C)  Starving 
D)  Phase buffer 
E)  Setup time 
A)  Blocking 
B)  Buffering 
C)  Starving 
D)  Phase buffer 
E)  Setup time

Question 20

Which of the following production process terms best describes the situation when activities in a stage of production must stop because there is no work?

Accepted Answer

A)  Blocking 
B)  Buffering 
C)  Starving 
D)  Buffer 
E)  Setup time 
A)  Blocking 
B)  Buffering 
C)  Starving 
D)  Buffer 
E)  Setup time

Exam 11: Process Design and Analysis

The long-term relationship among the inventory, throughput, and flow time of a production system in steady state is called which of the following?

Productivity in a production process can be measured by the ratio of output to input.

Little's law states that Inventory = Throughput rate ÷ Flow time.

Cycle time is the ratio of the time that a resource is actually activated relative to the time that it is available for use.

A diamond is conventionally used in a process flowchart to represent a storage area or queue.

A process flowchart uses which of the following symbols to represent a decision point in a flow diagram?

A service operation by its very nature is a make-to-stock type of production process.

Which of the following terms describes the time required to prepare a machine to make a particular item.

According to Little's law, which of the following ratios is used to find flow time?

Methods Time Management (MTM) and Most Work Measurement System (MOST) are proprietary examples of predetermined motion-time data systems (PMTSes).

Make-to-stock production processes can easily handle requests for customized product features.

Hybrid processes combine features of make-to-order and make-to-stock production processes.

Which of the following terms describes the time a unit spends actually being worked on together with the time spent waiting in a queue?

According to Little's law, which of the following can be used to estimate inventory?

Process velocity is the ratio of the total throughput time to the value added time.

Which of the following terms describes sum of the setup time and run time for a batch of parts that are run on a machine.

Consider a business that can be run using a make-to-stock or make-to-order process. Further suppose that your demand is 10,000 per month and is spread out during the month. Capacity of both processes is 15,000 per month. Based only on this information, what would be the best choice?

Which of the following production process terms best describes a technique that allows the stages in a production process to operate independently?

Which of the following production process terms best describes the situation when activities in a stage of production must stop because there is no work?

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