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2003 Course Industrial Management & Process Economics

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Total No. of Questions : 12] P1293 [Total No. of Pages : 6 [3864]-391 B.E. (Polymer) INDUSTRIAL MANAGEMENT AND PROCESS ECONOMICS (2003 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) In Section-I attempt Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6. In Section-II attempt Q.7 or Q.8, Q.9 or Q.10, Q.11 or Q.12. 2) Answers to the two sections should be written in separate books. 3) Neat diagrams must be drawn wherever necessary. 4) Figures to the right indicate full marks. 5) Use of electronic pocket calculator is allowed. 6) Assume suitable data, if necessary. SECTION - I Q1) a) What is the structure of manufacturing organisation? Explain its need.[8] b) Explain: i) Margin of safety ii) [9] Break even sales Alpha Company Limited had sales of Rs.1,00,000. The variable cost was Rs.60,000 and fixed cost was Rs.30,000. Find break even point and margin of safety. OR Q2) a) Explain the objectives and principles of a good plant layout. b) Explain: i) [9] Marginal cost ii) [8] Contribution P.T.O. For a product X, sales and total cost are given for two different periods: Period Sales (Rs.) Total cost (Rs.) Period 1 39,000 34,800 Period 2 43,000 37,600 Calculate variable cost, fixed cost and contribution for each period. Q3) a) A project requires an outlay of Rs.1,00,000 and earns the annual cash inflows of Rs.35,000, Rs.40,000, Rs.30,000 and Rs.50,000. Calculate profitability index, assuming the discounting rate of 15%. [5] b) Explain the term Working Capital and discuss about its sources. [6] c) Explain the difference between equity shares and preference shares.[6] OR Q4) a) What are the limitations of Capital Budgeting? [5] b) The original cost of a machine is Rs.80,000 and its book value is Rs.50,000. Assuming the normal tax rate to be 50% and capital gain tax to be 40%, find the net cash inflow if the machine can be sold for i) Rs.20,000 ii) Rs.50,000 iii) Rs.90,000 [6] c) What are the advantages and disadvantages of Debentures. Q5) a) Describe the aims of budgeting. [6] [6] b) The cost of a machine is Rs.1,10,000 and its estimated scrap value is Rs.10,000. The estimated number of units to be produced during the life of the asset is 50,000 units. If 7,000 units are produced in a particular year, find the depreciation value using production unit method. [5] c) Explain Joint factor method for depreciation. [3864]-391 -2- [5] OR Q6) a) A company produces and sells 100 units of a product X per month at Rs.20 each. Marginal cost per unit is Rs.12 and fixed cost is Rs.300 per month. It is proposed to reduce price by 20%. Find the additional sales required to earn the same amount of profit as before. [5] b) What are the merits of budgetary control? [6] c) The following data is available : [5] Cost of asset Rs.3,00,000 Estimated scrap value Rs.20,000 Estimated life 10 years Calculate the amount of depreciation using straight line method. SECTION - II Q7) a) Solve the following LP problem using Simplex method. [9] Maximize z = 3x1 x2 Subject to x1 2x2 2 2x1 x2 4 x1 + x2 5 x1, x2 0 b) There are five jobs, each of which must go through the two machines A and B in the order AB. Processing times are given in the table given below. [8] Processing time (hours) Job 1 2 3 4 5 Time for A 5 1 9 3 10 Time for B 2 6 7 8 4 Determine a sequence for five jobs that will minimize the elapsed time T. Calculate the total idle time for the machines in this period. [3864]-391 -3- OR Q8) a) Solve the following transportation problem. [9] To D F G A 11 13 17 14 250 B 16 18 14 10 300 C From E 21 24 13 10 400 200 225 275 250 Requirement Availability b) Solve the following assignment problem. [8] Contractor A Sub-assembly I II III IV B C D 15 11 18 15 13 12 12 17 14 15 10 14 17 13 11 16 Q9) a) A project schedule has the following characteristics. [9] Activity Time Activity Time (1-2) 2 (4-8) 8 (1-4) 2 (5-6) 4 (1-7) 1 (6-9) 3 (2-3) 4 (7-8) 3 (3-6) 1 (8-9) 5 (4-5) 5 i) Construct the PERT network and find critical path and time duration of the project. ii) Total float for each activity. [3864]-391 -4- b) A producer of boats has estimated the following distribution of demand for a particular kind of boat: No. demanded : 0 2 3 4 5 6 0.14 Probability: 1 0.27 0.27 0.18 0.09 0.04 0.01 Each boat cost him Rs.7000 and he sells them for Rs.10,000 each. Any boat that are left unsold at the end of the season must be disposed off for Rs.6000 each. How many boats should be in stock so as to maximize his expected profit? [8] OR Q10) a) Find the saddle point and hence solve the following game. [7] B B 1 B2 B 3 B4 A A1 1 7 3 4 A 2 5 6 4 5 A 3 7 2 0 3 b) A project consists of a series or tasks labelled A, B, H, I with the following relationships (W < X, Y, means X and Y cannot start until W is completed, X, Y < W means W cannot start until both X and Y are completed) with this notation, construct the network diagram having the following constraints: A < D, E; B, D < F; C < G; B < H; F, G < I Find also the optimum time of completion of the project, when time in days of completion of each task is as follows: [10] Task: A B C D E F G H I Time: 23 8 20 16 24 18 19 4 10 [3864]-391 -5- Q11) a) For a fixed order quantity system, find out (i) Economic order quantity (ii) Optimal buffer stock (iii) Reorder level, for an item with the following data: Annual consumption D = 10,000 units, cost of one unit = Re.1.00 C3 = Rs.12.00 per production run, C1 = Re.0.24 per unit. Past lead times: 15 days, 25 days, 13 days, 14 days, 30 days, 17 days. [8] b) A manufacturing company purchases 9000 parts of a machine for its annual requirements, ordering one month usage at a time. Each part costs Rs.20. The ordering cost per order is Rs.15, and the carrying charges are 15% of the average inventory per year. Suggest a more economic purchasing policy for the company. What advice can be [8] offered, and how much would it save the company per year? OR Q12) a) Find the optimal order quantity for a product for which the price breaks are as follows: Quantity Unit cost (Rs.) 0 q1 < 500 10.00 500 q2 9.25 The monthly demand for a product is 200 units, the cost of storage is 2% of unit cost and the cost of ordering is Rs.350. [8] b) Explain in details Always Better Control (ABC) Analysis. [3864]-391 -6- [8]

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