The IIT Madras BS Industry 4.0 (Industry 4.0) Quiz 1 paper sat on 23 Feb 2025, in the January 2025 term: 15 questions for 20 marks in 120 minutes. Every question is below with its answer. Take it as a timed mock test to be marked, or read it through first.
Select the appropriate layout for Quadrants A, B, D in the following figure:
A: Group layout, B: Product layout , D: Process layout
A: Product layout, B: Process layout , D: Group layout
A: Process layout, B: Group layout , D: Product layout
Correct answer
A: Process layout, B: Group layout , D: Product layout
Which of the following is an advantage of Process Layout?
Low material handling
Total production time per unit is small
Low training cost for the operators
It can accommodate high variety of products
Correct answer
It can accommodate high variety of products
Following is the layout from an aircraft manufacturing company. Identify the layout from the figure below.
Product layout
Process Layout
Group layout
Fixed position layout.
Correct answer
Fixed position layout.
1.0:CNC, 2.0:Mass production, 3.0: Digitization, 4.0:Steam Engine
1.0:Steam Engine, 2.0:mass production, 3.0: Digitization, 4.0:CNC
1.0:Mass production, 2.0:Steam Engine, 3.0: Digitization, 4.0:CNC
1.0:Steam Engine, 2.0:mass production, 3.0: CNC, 4.0: Digitization
Correct answer
1.0:Steam Engine, 2.0:mass production, 3.0: CNC, 4.0: Digitization
When will of the following scenarios, a facility layout problem is relevant?
A new facility is added
A new product is introduced
A new service is introduced
Shift in technology
Correct answers
A new facility is added
A new product is introduced
A new service is introduced
Shift in technology
Identify the examples for Offshoring from the list below:
Shell, an oil company based in Netherlands, setting up a data science team in India.
Western Australia’s electricity network agency assigns Tata Consultancy Services at Pune, to support it with an overhaul of its legacy IT systems, aimed at delivering cheaper and more reliable power.
Target Corporation, a retail giant based in US, setting up Supply Chain Optimization team at Bengaluru.
Tata Motors assigns the manufacturing of its braking system to TACO group.
Correct answers
Shell, an oil company based in Netherlands, setting up a data science team in India.
Target Corporation, a retail giant based in US, setting up Supply Chain Optimization team at Bengaluru.
Select the correct statements from below:
Optimal solution in a facility location problem using Euclidean method will result in a region
Optimal solution in a facility location problem using Euclidean method rarely matches the center of gravity
Optimal solution in a facility location problem using Euclidean method will result in a point
Optimal solution in a facility location problem using Euclidean method matches the center of gravity in not of the cases
Correct answers
Optimal solution in a facility location problem using Euclidean method rarely matches the center of gravity
Optimal solution in a facility location problem using Euclidean method will result in a point
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)
A factory works for two 8-hour shifts each day and produces a total of 30,000 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. Answer the given subquestions:
What is the cycle time (in seconds) at any workstations (round your answer to one decimal).
Correct answer: 1.85 (accepted within ±0.15)
A factory works for two 8-hour shifts each day and produces a total of 30,000 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. Answer the given subquestions:
What is the theoretical minimum number of workstations required?
Correct answer: 7
Based on the above data, answer the given subquestions.
What is the minimum cycle time of the system? (in min)
Correct answer: 12
Based on the above data, answer the given subquestions.
What is the maximum cycle time of the system? (in min)
Correct answer: 85
Based on the above data, answer the given subquestions.
What is the balance delay of the following layout (round it to two decimals)
(1,2) -> (3) -> (4) -> (5) -> (6,7) -> (8,9) -> (10,11,12)
Correct answer: 19 (accepted within ±0.5)
Based on the above data, answer the given subquestions.
What is the efficiency of the layout, Mentioned in the previous question? (Round off to two decimals without percentage sign)
Correct answer: 80.5 (accepted within ±0.5)
Based on the above data, answer the given subquestions.
The factory works for one 8-hour shifts each day. Is it possible to achieve an output of 32 units/day.
Yes
No
Correct answer
Yes
