The IIT Madras BS Industry 4.0 (Industry 4.0) Quiz 1 paper sat on 29 Oct 2023, in the September 2023 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.
Match Col A with Col B for landmark outcome of industrial era
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
Identify the Industry 4.0 version of transportation.
IC engine
Electric car
Hyperloop
Correct answer
Hyperloop
The Production rate of an assembly line is determined by its
Slowest station
Fastest station
Idle station
None of these
Correct answer
Slowest station
Select the layout(s) which require(s) general supervision:
Product layout
Process layout
Group layout
Fixed position layout
Correct answers
Product layout
Group layout
Fixed position layout
Select the appropriate layout for Quadrants A, B, D in the following figure:
A: Group layout, B: Product layout , D: Process layout
A: Process layout, B: Group layout , D: Product layout
A: Product layout, B: Process layout , D: Group layout
Correct answer
A: Process layout, B: Group layout , D: Product layout
Which of the following is an advantage of Product Layout?
Small in-process inventory
It can accommodate high variety of products
High utilization of machines
Low investment
Correct answer
Small in-process inventory
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
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.
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
Consider the following precedence diagram. It has 12 activities. The numbers in blue and withing the braces denote the respective activity times in minute.
Based on the above data, answer the given subquestions.
What is the minimum cycle time of the system (in minute)?
Correct answer: 12
Consider the following precedence diagram. It has 12 activities. The numbers in blue and withing the braces denote the respective activity times in minute.
Based on the above data, answer the given subquestions.
What is the maximum cycle time of the system (in minute)?
Correct answer: 85
Consider the following precedence diagram. It has 12 activities. The numbers in blue and withing the braces denote the respective activity times in minute.
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
Consider the following precedence diagram. It has 12 activities. The numbers in blue and withing the braces denote the respective activity times in minute.
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)
Consider the following precedence diagram. It has 12 activities. The numbers in blue and withing the braces denote the respective activity times in minute.
Based on the above data, answer the given subquestions.
What is the efficiency of the given layout? Round off to two decimals without percentage sign
Correct answer: 80.5 (accepted within ±0.5)
