The IIT Madras BS Industry 4.0 (Industry 4.0) End Term paper sat on 1 Sept 2024, in the May 2024 term, set 1: 32 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
Pranjal 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. He was searching for Good-day biscuits. He could identify only one packet in the shelf remaining. However, there were lot of Sun-fist biscuits lying in the next shelf. So he picked ten Sun- fist packets. Now map the scenarios with the items below:
Pranjal 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. He was searching for Good-day biscuits. He could identify only one packet in the shelf remaining. However, there were lot of Sun-fist biscuits lying in the next shelf. So he picked ten Sun- fist 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-S3
Which of the following model corresponds to Exponential Smoothing forecasting model?
Correct answer
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
Select the appropriate purposes of facility layout from the list below:
Maintain production flexibility
enhance sales as appropriate in manufacturing and service facilities.
Improve working capital
Promote high employee morale
Correct answer
Improve working capital
Ashoke motors manufactures micro-cars in Pune plant. It sources various parts for a car from its different plants located across India and also from its subcontractors. The Pune plant assembles the final product. For assembling, different machines are involved. On 3rd of August, one of the machine caught fire and the entire assembly line stopped until a substitute machine arrived. What type of facility layout Ashoke Motors is maintaining at the Pune Plant?
Product layout
Process layout
Fixed position layout
Correct answer
Product layout
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 main 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.
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)
When is outsourcing not useful?
When the (production) volumes are large
Uncertainty in supply
If the service requires specific resources rather than service
Quality is impacted
Correct answers
When the (production) volumes are large
Uncertainty in supply
If the service requires specific resources rather than service
Quality is impacted
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
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
A contractor estimates that the size of the workforce needed over the next 5 weeks is 5, 7, 8, 4 and 6 workers, respectively. Excess labour kept on the force will cost 400 plus @200 per worker per week. The objective is to minimize the total cost of labour needed for the project. If Dynamic Programming is applied to this problem, answer the given subquestions:
How is a stage represented by?
Week
Number of labours available in a week
Number of new hires in a week
Total cost of labour in a week.
Correct answer
Week
A contractor estimates that the size of the workforce needed over the next 5 weeks is 5, 7, 8, 4 and 6 workers, respectively. Excess labour kept on the force will cost 400 plus @200 per worker per week. The objective is to minimize the total cost of labour needed for the project. If Dynamic Programming is applied to this problem, answer the given subquestions:
What are the alternatives in a stage?
Week
Number of new hires in a week
Number of labours in a week
Number of labours available at the end of previous week
Total cost of labour in a week.
Correct answer
Number of labours in a week
A contractor estimates that the size of the workforce needed over the next 5 weeks is 5, 7, 8, 4 and 6 workers, respectively. Excess labour kept on the force will cost 400 plus @200 per worker per week. The objective is to minimize the total cost of labour needed for the project. If Dynamic Programming is applied to this problem, answer the given subquestions:
How state variable is defined for this problem?
Week
Number of labours in a week
Number of labours available at the end of previous week
Number of new hires in a week
Total cost of labour in a week.
Correct answer
Number of labours available at the end of previous week
A contractor estimates that the size of the workforce needed over the next 5 weeks is 5, 7, 8, 4 and 6 workers, respectively. Excess labour kept on the force will cost 400 plus @200 per worker per week. The objective is to minimize the total cost of labour needed for the project. If Dynamic Programming is applied to this problem, answer the given subquestions:
What is the optimal solution (objective function value) in Stage 5 when the state variable takes value 4?
A written answer, not marked automatically.
Bluescope company estimates its ordering cost at Rs 400 and carrying cost to be Rs.2/year/unit. The estimated annual requirement is 10,000 units at a unit price of Rs. 10. Calculate the given subquestions:
What is the economic order quantity (EOQ)?
A written answer, not marked automatically.
Bluescope company estimates its ordering cost at Rs 400 and carrying cost to be Rs.2/year/unit. The estimated annual requirement is 10,000 units at a unit price of Rs. 10. Calculate the given subquestions:
Calculate the number of orders per year.
A written answer, not marked automatically.
Bluescope company estimates its ordering cost at Rs 400 and carrying cost to be Rs.2/year/unit. The estimated annual requirement is 10,000 units at a unit price of Rs. 10. Calculate the given subquestions:
Calculate the annual inventory carrying cost.
A written answer, not marked automatically.
Bluescope company estimates its ordering cost at Rs 400 and carrying cost to be Rs.2/year/unit. The estimated annual requirement is 10,000 units at a unit price of Rs. 10. Calculate the given subquestions:
While rechecked, Bluescope company finds that the order cost should have been 20% more than the currently estimated value. What should be the percentage increase in the EOQ in this case? Enter your answer without the ‘%’ symbol.
A written answer, not marked automatically.
Colony Shop is stocking heavy coats for next winter. Colony pays 110. At the end of the winter season, Colony Shop offers the coats at $55 each. The demand for coats during the winter season is more than 20 but less than or equal to 30, all with equal probabilities. Determine the optimal order quantity that will maximize revenue for Colony Shop. Consider demand to be continuous.
A written answer, not marked automatically.
Which of the following example(s) can be referred as seasonal pattern?
Economic recission
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
Which of the following functions, Logistics Management does not cover?
Supply Management
Materials Management
Customer Management
Distribution Management
Correct answer
Customer Management
What is the decision variable Xi,j denotes in a Vehicle Routing Problem (VRP)?
If the vehicle travels node j from node i (binary)
Number of vehicles travelled between node i and node j (integer)
Weigh on the arc (i,j) e.g. the distance (integer)
Correct answer
If the vehicle travels node j from node i (binary)
You visit the car service centre to get your car washed. In the service centre, washing done using automated systems, e.g. the car is put on a moving belt, water is sprayed, drying is also done. Which of the following term represents this scenario?
Digitization
Automation
Digital transformation
Correct answer
Automation
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 [10,40]. 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 [10,40]. Then answer the given subquestions:
What is the protection level?
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.
A contractor estimates that the size of the workforce needed over the next 5 weeks is 5, 7, 8, 4 and 6 workers, respectively. Excess labour kept on the force will cost 400 plus @200 per worker per week. The objective is to minimize the total cost of labour needed for the project. If Dynamic Programming is applied to this problem, answer the given subquestions:
A written answer, not marked automatically.
Bluescope company estimates its ordering cost at Rs 400 and carrying cost to be Rs.2/year/unit. The estimated annual requirement is 10,000 units at a unit price of Rs. 10. Calculate the given subquestions:
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 [10,40]. Then answer the given subquestions:
A written answer, not marked automatically.
