Production and Industrial Engineering
GATE PI Production control PYQs
Build your understanding with focused practice from past exam papers.
Questions 21–30 of 32. Imported answers require independent review unless marked reviewed.
Question 25
Open questionPINAT1 markNeeds review
The product structure tree in the figure below shows the components needed to assemble one unit of product P.
The number of units of component D needed to assemble 10 units of product P is __________.
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Open questionPINAT2 marksNeeds review
A car company manufactures 200 units of a component per day. The component is installed in different car models at a rate of 1500 units per year. The company operates its production facility 300 days per year to manufacture the component. The setup cost for each production run is Rs. 200 and the inventory holding cost per year is Rs. 2 per unit. The Economic Production Quantity (EPQ) is ____________.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 11
Open questionPIMCQ1 markNeeds review
For a classical (Wilson) model of determining economic order quantity (EOQ), the carrying and ordering costs are
and
, respectively. For an annual demand
, the minimum yearly total inventory cost isYour answerChoose one option.
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The capacity of a passenger airline is expressed in terms of
Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 54
Open questionPINAT2 marksNeeds review
The sales data of a product for 5 years are:
Year | 2014 | 2015 | 2016 | 2017 | 2018 |
|---|---|---|---|---|---|
Sales (units) | 280 | 268 | 259 | 270 | 287 |
Assume the forecast for the year 2014 as 260 units. Using an exponential smoothing method with smoothing constant α = 0.5, the sales forecast (units) for the year 2019, is ______
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 23
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Processing times on a single machine for 3 jobs are given below. All the jobs are available at time t = 0.
Job | 1 | 2 | 3 |
|---|---|---|---|
Processing time (minute) | 15 | 3 | 6 |
The mean flow time (in minute) as per the shortest processing time (SPT) sequence is ______
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 32
Open questionPIMCQ2 marksNeeds review
Actual and forecasted demands of a product are as follows: | Period: 1, 2, 3, 4, 5 | Actual demand: 180, 170, 165, 170, 200 | Forecasted demand: 190, 190, 190, 190, 190 | The forecast error measured in terms of mean absolute deviation (MAD) and mean absolute percentage error (MAPE), respectively, are
Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 45
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The annual demand of an item is 19845 units and the production rate is 100 units per day. The per-unit production cost (excluding setup cost) is Rs. 50, the per unit holding cost is Rs. 10 per year and setup cost is Rs. 520 per setup. To minimize the total annual cost, the optimum quantity to be produced per setup is _____
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 37
Open questionPIMCQ2 marksNeeds review
An electrical appliances showroom sells 2,400 ceiling fans in one year (52 weeks). The holding cost is 10 % of the cost of the ceiling fan. The cost of one ceiling fan is Rs. 600. The cost incurred for placing an order is Rs. 201. There is a lead time of 5 weeks. The economic order quantity (EOQ) and the reorder level, respectively (rounded to the next higher integer) are
Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 38
Open questionPINAT2 marksNeeds review
In a calendar year, the demand forecast of motorbikes for the month of June is 200. The actual demand of motorbikes for the month of June and July are 300 and 350, respectively. If single exponential smoothing method with smoothing constant 0.7 is used, then the demand forecast for the month of August is
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