Quiz_ Practice Problems for Exam 2 (2)
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Industrial Engineering
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Feb 20, 2024
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3
Uploaded by BailiffTitanium10603
10/16/23, 7:10 PM
Quiz: Practice Problems for Exam 2
https://osu.instructure.com/courses/145300/quizzes/908941/take
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Practice Problems for Exam 2
Started: Oct 16 at 7:10pm
Quiz Instructions
Practice Problems (DO NOT COUNT TOWARDS YOUR GRADE)
1 pts
Question 1
Lily has been running out of stuffed animals and cannot seem to keep any on the shelf. She decides she needs to increase her safety stock. She
knows that the average lead time delivery is 2 weeks. She also knows that her demand is 196 stuffed animals each week. She wants to boost her
safety stock up to 3 weeks of demand. How low can her inventory get before she needs to purchase more stuffed animals? (Round to the nearest
whole number)
1 pts
Question 2
Zeke runs an elephant sanctuary in Dallas that aims to rehabilitate elephants who have been living in Zoo's for too long. This comes at great cost to
Zeke as elephants are costly animals given how much food they eat. Zeke knows that to maintain a healthy elephant diet an elephant must consume
5,002 units of hay each year and Zeke has 6 elephants that all eat year round (365 days). Additionally the annual ordering cost per unit to process an
order is $50 and the holding cost of this hay is $11 and lead time is 7 days. Calculate the inventory position right after an order is placed, assume no
backordering is allowed. (round your answer to the nearest whole number)
1 pts
Question 3
Sarah's sandal shop has a very limited amount of space available for inventory. As a result of this it is essential to sarah that she receives all of her
orders on time and she must know exactly when to order her inventory otherwise she will either not be able to store it or lose out on sales. Sarah has
a daily demand of 15 pairs of flip flops and operates 320 days per year. Additionally, she has an average lead time of 13 days and ordering cost of $5.
Calculate the number of sandals in stock at which time Sarah will reorder.
1 pts
Question 4
Andy is a firm believer in waking up early each morning to start his day. His passion for waking up early drove him to start his own business of making
alarm clocks for deep sleepers. He knows that total monthly demand next month exceeds his capacity available for production. He produces 3 types
of alarm clocks: vibrating, sunrise and foghorn. Each of these 3 alarm clock models pass through 3 stations in the assembly process. Andy estimates
demand for next month to be 140 units of Vibrating clocks, 170 units of Sunrise clocks, and 195 units of Foghorn clocks. Andy's Alarms operates two
4-hour shifts per day and are scheduled to work 20 days next month. Additionally, each station requires a 10% capacity cushion. What is the total
profit of the bottleneck method?
P time in (min/unit)
Processing time
Processing time
Processing time
Product
Station 1
Station 2
Station 3
RM ($/unit)
Price ($/unit)
Vibrating (V)
15
15
20
15
100
Sunrise (S)
10
20
15
10
90
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58
13.70
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523
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195
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10/16/23, 7:10 PM
Quiz: Practice Problems for Exam 2
https://osu.instructure.com/courses/145300/quizzes/908941/take
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Foghorn (F)
20
10
20
5
75
1 pts
Question 5
The figure above shows the
time it takes for each step at Randy's other Icecream parlor in a different town. A customer walks in and goes to the sampling section, places their
order at step 2, step 3 is when the worker makes their icecream- step 3a is the amount of time it takes to make a milkshake, while step 3b is the
amount of time it takes to make a sundae and step 4 is the amount of time it takes to check out. How many customers can randy serve in an hour at
his ice cream shop?
4 customers per hour
3 customers per hour
8 customers per hour
6 customers per hour
5 customers per hour
1 pts
Question 6
The figure above shows the process for a dentist's office. A patient first check-in with the secretary waits in the waiting room, then will either go get
an x-ray or get their cavity filled, get their teeth cleaned, and then schedule their next appointment. Where does the bottleneck occur?
Step 1
Step 3a
Step 3b
Step 4
36
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