The IIT Madras BS Industry 4.0 (Industry 4.0) End Term paper sat on 1 Sept 2024, in the May 2024 term, set 2: 33 questions for 49 marks in 180 minutes. Every question is below with its answer. Take it as a timed mock test to be marked, or read it through first.
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YES
NO
Correct answer
YES
Match Column A with Column B (country of origin)
Match Column A with Column B (country of origin)
A1:B1, A2:B2, A3:B3, A4:B4
A1:B2, A2:B1, A3:B3, A4:B4
A1:B3, A2:B1, A3:B4, A4:B2
A1:B3, A2:B1, A3:B2, A4:B4
Correct answer
A1:B1, A2:B2, A3:B3, A4:B4
Geet Mobile manufactures mobile phones of various types. Their product portfolio comprises of 15 types of headsets. These headsets comprise of limited types of components. Only a few of the components needs customization for different headsets. Which facility layout will best suit for Geet Mobile’s production?
Product layout
Group layout
Fixed position layout
All of these
Correct answer
Group layout
Mahesh is shopping in a departmental store. He has a list of items which he prepared at home itself. He picked a few packets of tea as part of his list. He could see coffee packets and milk-powder packets in the neighbouring shelves. He picked a few milk-powder packets, however these are not part of his list. While standing in the queue for billing, he noticed Uncle Chips packets lying nearby and grabbed a couple of packets. Now map the scenarios with the items below:
Mahesh is shopping in a departmental store. He has a list of items which he prepared at home itself. He picked a few packets of tea as part of his list. He could see coffee packets and milk-powder packets in the neighbouring shelves. He picked a few milk-powder packets, however these are not part of his list. While standing in the queue for billing, he noticed Uncle Chips packets lying nearby and grabbed a couple of packets. Now map the scenarios with the items below:
P1-S1, P2-S3, P3-S4
P1-S2, P2-S1, P3-S3
P1-S2, P2-S1, P3-S4
Correct answer
P1-S2, P2-S1, P3-S4
Exponential smoothing
Winter’s model for seasonality
Holte’s method for trend
None of these
Correct answer
Holte’s method for trend
Which of the following is not an example of digitization?
Creating the e-copy of a book using Google-Lens
Generating an automated daily sales report across the retail outlets in a state.
Converting a physical 2D sheet to CAD drawing
Converting physical invoice to e-copy
Correct answer
Generating an automated daily sales report across the retail outlets in a state.
Select the correct form of internet from column B corresponding to the example in Column A.
Select the correct form of internet from column B corresponding to the example in Column A.
A1: B3, A2: B2, A3: B4
A1: B3, A2: B2, A3: B1
A1: B2, A2: B3, A3: B1
Correct answer
A1: B3, A2: B2, A3: B1
Which are the two primary tasks of time series forecasting?
Identifying pattern
Identify variables of interest
Discovering relationships amongst variables of interest
Correct answers
Identifying pattern
Discovering relationships amongst variables of interest
Select the correct statements from below:
Optimal solution in a facility location problem using Euclidean method willresult in a region
Optimal solution in a facility location problem using Euclidean method rarelymatches the center of gravity
Optimal solution in a facility location problem using Euclidean method willresult in a point
Correct answers
Optimal solution in a facility location problem using Euclidean method rarelymatches the center of gravity
Optimal solution in a facility location problem using Euclidean method willresult in a point
Which of the following example(s) can be referred as seasonal pattern?
Economic recession
Increases Ceiling Fan sales during winters
Increased tourist footfall towards the end of the year
Correct answers
Increases Ceiling Fan sales during winters
Increased tourist footfall towards the end of the year
Select the appropriate purposes of facility layout from the list below:
Minimize delay in material handling
Enhance sales as appropriate in manufacturing and service facilities.
Provide for good maintenance
Funding a new project
Correct answers
Minimize delay in material handling
Enhance sales as appropriate in manufacturing and service facilities.
Provide for good maintenance
There are four demand points at A(1,2), B(2,3), C(3,5), D(4,1). The respective demand at these points are 7, 1, 3, 5. Select the optimal location based on cross-median approach.
(2,2)
(3,2)
(2.5,2)
(2,3)
Correct answers
(2,2)
(3,2)
(2.5,2)
Select the demerits of outsourcing from the following list.
Reduced customer/supplier contact.
Loss of supply chain visibility.
Leakage of sensitive data and information.
Loss of internal capability and growth in third-party power.
Correct answers
Reduced customer/supplier contact.
Loss of supply chain visibility.
Leakage of sensitive data and information.
Loss of internal capability and growth in third-party power.
Which of the following is/are considered in the Vehicle Routing Problem but not considered in TSP?
Subtour elimination
Any capacity restrictions
A specific starting point
Distance travelled restriction
Correct answers
Any capacity restrictions
A specific starting point
Which of the following supply chain costs is/are affected by distribution network structure?
Inventory
Transportation
Facilities and handling
Information
Price
Correct answers
Inventory
Transportation
Facilities and handling
Information
A factory works for two 8-hour shifts each day and produces a total of 24,000 electric bulbs using a set of workstations. There are 8 activities required to manufacture the bulb, such that the sum of all activity times is equal to 12 seconds. How many workstations are required to maintain the specified level of production (assuming that activities can be combined into those workstations in any order) (enter your answer in numeric value)?
A written answer, not marked automatically.
Calculate the Euclidean distance between two machines located at the coordinates A(5,10) and B(2,6) in a shop floor.
A written answer, not marked automatically.
What is the full form of SAAS? NOTE:Enter the exact answer without any space in the beginning or at the end.
A written answer, not marked automatically.
Suppose you need to accept reservation for a flight. There are total 100 seats in the aircraft. You have two classes of passengers - economy and business. One economy seat gets you 2,500 Rs of revenue while a business seat gets 7,500 Rs. From your experience, you know the demand for business travellers follows a uniform distribution in [10,20]. Then answer the given subquestions:
What is the Booking limit?
A written answer, not marked automatically.
Suppose you need to accept reservation for a flight. There are total 100 seats in the aircraft. You have two classes of passengers - economy and business. One economy seat gets you 2,500 Rs of revenue while a business seat gets 7,500 Rs. From your experience, you know the demand for business travellers follows a uniform distribution in [10,20]. Then answer the given subquestions:
What is the protection level?
A written answer, not marked automatically.
Limat Ltd. wants to determine its order quantity for one of its components. The annual consumption for the component is 80,000 units and its purchasing price is Rs. 50 per unit. The cost of placing an order is Rs. 1,200 and carrying cost per unit is 6% of the purchasing price. Based on the above data, answer the given subquestions.
Calculate the Economic Order Quantity (EOQ).
A written answer, not marked automatically.
Limat Ltd. wants to determine its order quantity for one of its components. The annual consumption for the component is 80,000 units and its purchasing price is Rs. 50 per unit. The cost of placing an order is Rs. 1,200 and carrying cost per unit is 6% of the purchasing price. Based on the above data, answer the given subquestions.
Calculate the number of orders per year.
A written answer, not marked automatically.
Limat Ltd. wants to determine its order quantity for one of its components. The annual consumption for the component is 80,000 units and its purchasing price is Rs. 50 per unit. The cost of placing an order is Rs. 1,200 and carrying cost per unit is 6% of the purchasing price. Based on the above data, answer the given subquestions.
Calculate the annual order cost.
A written answer, not marked automatically.
Limat Ltd. wants to determine its order quantity for one of its components. The annual consumption for the component is 80,000 units and its purchasing price is Rs. 50 per unit. The cost of placing an order is Rs. 1,200 and carrying cost per unit is 6% of the purchasing price. Based on the above data, answer the given subquestions.
Calculate the annual inventory carrying cost.
A written answer, not marked automatically.
Suppose you want to invest 2000 at the start of years 2 to 4. The interest rate offered by First Bank is 8% compounded annually, and the bonuses over the next 4 years are 1.8%, 1.7%, 2.1% and 2.5%, respectively. The annual interest rate offered by Second Bank is 0.2% lower than that of First Bank, but its bonus is 0.5% higher. The objective is to maximize the accumulated capital at the end of 4 years. If you apply Dynamic Programming to this problem, answer the given subquestions:
How is a stage represented by?
Year
Capital available for investment at the start of a year
Amounts invested in First Bank
Amounts invested in First Bank and Second Bank
Correct answer
Year
Suppose you want to invest 2000 at the start of years 2 to 4. The interest rate offered by First Bank is 8% compounded annually, and the bonuses over the next 4 years are 1.8%, 1.7%, 2.1% and 2.5%, respectively. The annual interest rate offered by Second Bank is 0.2% lower than that of First Bank, but its bonus is 0.5% higher. The objective is to maximize the accumulated capital at the end of 4 years. If you apply Dynamic Programming to this problem, answer the given subquestions:
What are the alternatives in a stage?
Year
Capital available for investment at the start of a year
Amounts invested in First Bank in a year
Amounts invested in First Bank and Second Bank in a year
Correct answer
Amounts invested in First Bank and Second Bank in a year
Suppose you want to invest 2000 at the start of years 2 to 4. The interest rate offered by First Bank is 8% compounded annually, and the bonuses over the next 4 years are 1.8%, 1.7%, 2.1% and 2.5%, respectively. The annual interest rate offered by Second Bank is 0.2% lower than that of First Bank, but its bonus is 0.5% higher. The objective is to maximize the accumulated capital at the end of 4 years. If you apply Dynamic Programming to this problem, answer the given subquestions:
How state variable is defined for this problem?
Year
Capital available for investment at the start of a year
Amounts invested in First Bank in a year
Amounts invested in First Bank and Second Bank in a year
Correct answer
Capital available for investment at the start of a year
The owner of a newsstand wants to determine the number of newspapers of USA Now to be stocked at the start of each day. The owner pays 30 cents for a copy and sells it for 75 cents. The sale of the newspaper typically occurs between 7:00 and 8:00 am. Newspaper left at the end of the day are recycled for an income of 5 cents a copy. How many copies should the owner stock every morning, assuming that the demand for the day can be described as: Based on the above data, answer the given subquestions.
A normal distribution with mean 300 copies and standard deviation 20 copies. [Standard_Norm_inv(critical fractile)=0.643]
A written answer, not marked automatically.
The owner of a newsstand wants to determine the number of newspapers of USA Now to be stocked at the start of each day. The owner pays 30 cents for a copy and sells it for 75 cents. The sale of the newspaper typically occurs between 7:00 and 8:00 am. Newspaper left at the end of the day are recycled for an income of 5 cents a copy. How many copies should the owner stock every morning, assuming that the demand for the day can be described as: Based on the above data, answer the given subquestions.
A discrete distribution pdf, f(D), defined as
A discrete distribution pdf, f(D), defined as
A written answer, not marked automatically.
Suppose you need to accept reservation for a flight. There are total 100 seats in the aircraft. You have two classes of passengers - economy and business. One economy seat gets you 2,500 Rs of revenue while a business seat gets 7,500 Rs. From your experience, you know the demand for business travellers follows a uniform distribution in [10,20]. Then answer the given subquestions:
A written answer, not marked automatically.
Limat Ltd. wants to determine its order quantity for one of its components. The annual consumption for the component is 80,000 units and its purchasing price is Rs. 50 per unit. The cost of placing an order is Rs. 1,200 and carrying cost per unit is 6% of the purchasing price. Based on the above data, answer the given subquestions.
A written answer, not marked automatically.
Suppose you want to invest 2000 at the start of years 2 to 4. The interest rate offered by First Bank is 8% compounded annually, and the bonuses over the next 4 years are 1.8%, 1.7%, 2.1% and 2.5%, respectively. The annual interest rate offered by Second Bank is 0.2% lower than that of First Bank, but its bonus is 0.5% higher. The objective is to maximize the accumulated capital at the end of 4 years. If you apply Dynamic Programming to this problem, answer the given subquestions:
A written answer, not marked automatically.
The owner of a newsstand wants to determine the number of newspapers of USA Now to be stocked at the start of each day. The owner pays 30 cents for a copy and sells it for 75 cents. The sale of the newspaper typically occurs between 7:00 and 8:00 am. Newspaper left at the end of the day are recycled for an income of 5 cents a copy. How many copies should the owner stock every morning, assuming that the demand for the day can be described as: Based on the above data, answer the given subquestions.
A written answer, not marked automatically.
