Texas A&M UNIVERSITY
Mays Business School
OPERATIONS MANAGEMENT Quizzes No.2
(Circle only one correct answer).
Q1. Which of the following is not used as symbols in the Process Flowchart?
• a. Decision point
• b. Bottleneck ar stu
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m • c. Buffer or Storage area
• d. Task or operation
• e. Flow Q2. The flow time is • a. The value added time received by a unit in a service/production system.
• b. The non-value time received by a unit in a service/production system. • c. The value added time plus non-value added time received by a unit in a service/production
system.
• d. The waiting of unit in the a service/production system.
• e. None of the above Q3. Facility layout methods use which of the following as an input to the process layout (jobshop) design
problem:
• a. A, E, I, O, U, X classification between pairs of departments to be placed is • b. From-to-Chart containing the flows between pairs of departments to be placed Th • c. (a) or (b) above • d. None of the above sh • e. Closeness ratings Q4. The facility layout method which uses the information in From-to-Chart containing the flows between
pairs of departments to be placed in a jobshop, provides
• a. Optimal solution
• b. Heuristic solution
• c. Neither optimal nor Heuristic solution
1 https://www.coursehero.com/file/16747295/SCMT-QUIZ-2pdf/ • d. Either optimal or Heuristic solution
• e. None of the above
Q5. Which of the following is not a characteristic of services?
• a. Intangible product
• b. Labor intensive
• c. Service can be inventoried
• d. Non-uniform input to the service system
• e. None of these
Q6. What type of firms finish producing the final products before receiving the actual customer order? ar stu
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m • a. Assemble-to-order firms
• b. Make-to-order firms
• c. Make-to-stock firms • d. Engineer-to-order firms
• e. None of the above Q7. What is the type of operation at “Kristen Cookies Case” discussed in the class?
• a. Assemble-to-order
• b. Make-to-order
• c. Make-to-stock • d. Engineer-to-order • e. None of the above Th is Q8. A ticket line for the Minnesota Vikings football team has an average of 100 fans in line to buy
tickets and an average time flow rate of 5 fans a minute. What is the average time that a ticket buyer
can expect to wait in line?
• a. 5 minutes sh • b. 10 minutes
• c. 20 minutes • d. 100 minutes
• e. 500 minutes 2 https://www.coursehero.com/file/16747295/SCMT-QUIZ-2pdf/ 12 minutes/product
@
@ 15 minutes/product 10 minutes/product 8 minutes/product - Operation 1 @
@ - Operation 2 @
@ - Operation 3 @
@ - Operation 4 @
@ Work Station 1 Work Station 2 Work Station 3 Work Station 4 - Questions Q9-Q11: A manufacturing shop makes a standard product via a machining process. The
manger of the shop wants to analyze the process. Each workstation is assigned one worker and a machine.
Each worker performs one operation using the machine in the workstation. The general flow of the process
is shown in the figure above with the processing time requirement at each workstation. ar stu
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m Q9. What is the current maximum output (capacity) of the process?
• a. 7.5 units per hour
• b. 6 units per hour
• c. 5 units per hour • d. 4 units per hour
• e. 3 units per hour Q10. What is the bottleneck of the process?
• a. Work Station 1 • b. Work Station 2
• c. Work Station 3 • d. Work Station 4 • e. All Work Stations Th is Q11. The manger who wishes to increase the capacity of the process, purchases a modern machine for
the machining operation at Work Station 2. This action reduces the processing time to 9 minutes per
product at Work Station 2. What is the bottleneck of the process?
• a. Work Station 1 sh • b. Work Station 2
• c. Work Station 3 • d. Work Station 4
• e. All Work Stations 3 https://www.coursehero.com/file/16747295/SCMT-QUIZ-2pdf/ Q12. The activity relationship chart for ABC machine shop is shown in the figure below. Which one of
the following arrangement of the eight departments in a 2 × 4 grid is best.
A: Absolutely necessary
E: Especially important
I: Important
O: Ordinary important
U: Unimportant
X: Undesirable CELL R @ CELL P @ CELL F
CELL V
CELL S
CELL D @
@ CELL W R V P F R V P • d. • e. W D S B W D S F W V S B F W P R S B R F W V D P S B R D P D V sh • c. F is B Th • b. ar stu
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m CELL B • a. @ A @
@A @
U @A @
@
@
@U @ U
U @A @ X@
@
@ @
@A @ X U @
U @X @ A@ U@
@
@ @
@U @ X @X
X A@ X
@ @
@
@X @@A
A X
@ @
@
@A
U@ 4 https://www.coursehero.com/file/16747295/SCMT-QUIZ-2pdf/ Q13. In a peak period, the average time a patient spends in emergency room (ER) of a hospital is 3
hours and receives on average the total value-added treatment time of 18 minutes. What is flow time
efficiency of the ER in the peak period?
• a. 1%
• b. 10%
• c. 18%
• d. 25%
• e. 100% ar stu
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m Questions Q14-25: (Questions are based on the case study discussed in the class. Activity
times are modified.) Kristen and her roommate are in the business of baking custom cookies. As soon
as she receives an order by campus e-mail system, Kristen washes the bowl and mixes dough according
to the customer’s order-activities that take a total of 7 minutes. She then spoons the dough onto a tray
that holds 1 dozen cookies (3 minutes). Her roommate then takes 1 minute to set the oven and place the
tray in it. Cookies are baked in the oven for 11 minutes and allowed to cool outside for 6 minutes. The
roommate then boxes the cookies (3 minutes) and collects payment from the customer (1 minute).
• Draw a flow chart for the process described here and answer the following questions. Assume no
waiting over the course of the process as there is enough demand.
• Assume that each order consists of dozen cookies. Assume that the mixing bowl can accommodate
dough for 1 dozen cookies at a time, and the oven can accommodate only 1 tray of 1 dozen cookies
at a time.
• Kristen has done a market study and found out that she can sell $8 each dozen of cookies. Her
operating time is 4 hours in the evening of a day.
• Kristen landlord pays for all the electricity. The variable costs are the cost of the ingredients
(estimated to be $1.2/dozen) and the cost of the box, $0.4/box.
Q14. What is the capacity of the process? is • a. 3 dozen cookies per hour Th • b. 4 dozen cookies per hour
• c. 5 dozen cookies per hour • d. 6 dozen cookies per hour sh • e. 8 dozen cookies per hour Q15. What is the percentage capacity utilization of Kristen?
• a. 40%
• b. 60%
• c. 83%
5 https://www.coursehero.com/file/16747295/SCMT-QUIZ-2pdf/ • d. 90%
• e. 100%
Q16. What is the percentage capacity utilization of Roommate?
• a. 42%
• b. 60%
• c. 80%
• d. 90%
• e. 100% • a. 40%
• b. 60%
• c. 80%
• d. 92%
• e. 100% ar stu
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m Q17. What is the percentage capacity utilization of Oven? Q18. Which is the bottleneck of the process?
• a. Roommate
• b. Kristen
• c. Oven • d. Cooling operation
• e. Pay operation. Q19. What is the throughput of the process? is • a. 18 dozen cookies per day Th • b. 20 dozen cookies per day
• c. 22 dozen cookies per day sh • d. 24 dozen cookies per day
• e. 30 dozen cookies per day Q20. What is the flow time of the process?
• a. 8 minutes
• b. 10 minutes
6 https://www.coursehero.com/file/16747295/SCMT-QUIZ-2pdf/ • c. 26 minutes
• d. 32 minutes
• e. 35 minutes
Q21. What is the cycle time of the process?
• a. 12 minutes
• b. 10 minutes
• c. 26 minutes
• d. 32 minutes ar stu
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m • e. 35 minutes
Q22. What is the revenue made per hour during the productive duration (or during the steady state
operation) of the process?
• a. $6 per hour • b. $12 per hour
• c. $20 per hour • d. $25 per hour
• e. $40 per hour Q23. What is the profit made per hour during the productive duration?
• a. $5 per hour • b. $10 per hour
• c. $17 per hour • d. $32 per hour Th is • e. $40 per hour Q24. Which is the bottleneck of the process if Kristen do it alone without the help of the Roommate?
• a. Roommate sh • b. Kristen
• c. Oven • d. Cooling operation
• e. Pay operation.
Q25. What is the capacity of the process if Kristen do it alone without the help of the Room Mate?
7 https://www.coursehero.com/file/16747295/SCMT-QUIZ-2pdf/ • a. 3 dozen cookies per hour
• b. 4 dozen cookies per hour
• c. 5 dozen cookies per hour
• d. 6 dozen cookies per hour sh Th is ar stu
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m • e. 8 dozen cookies per hour 8 https://www.coursehero.com/file/16747295/SCMT-QUIZ-2pdf/ Powered by TCPDF (www.tcpdf.org)

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