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SPPU Mechanical Engineering (Semester 8)
Industrial Engineering
December 2016
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

Solve any one question from Q.1 & Q.2
1 Explain briefly productivity improvement techniques.
6 M

2 Write short note on:
a) Organization chart
Delegation of Authority
6 M

Solve any one question from Q.3 & Q.4
3 Define method study. Explain procedure of method study.
7 M

4 Write short note on:
a) Travel chart
b) String diagram
7 M

Write short notes on any two question form Q.5(a,b,c)Solve any one question from Q.5 & Q.6
5 a) Qualified worker
b) Performance rating.
c) Work measurement.
7 M

6 Following are the element times of a machining operation. The correponding rating and relaxation allowances are given in table as below:
 Element Observed Time(Min) Frequency Performance Rating Relaxation Allowance(%) 1 0.15 1 100 12 2 0.12 1 90 15 3 0.08 1 75 11 4 10.00 1/50 80 11 5 6.00 1/55 90 13

Calculate normal time, standard time for this job.
7 M

Solve any one question from Q.7(a,b) & Q.8(a,b)
7(a) ABC Company uses exponential smoothing with α = 0.15 for estimating a demand. Following table shows the demand for 6 months. The forecast for June is 500 units. Estimate the forecast for December.
 Month Actual Demand Forecast June 450 500 July 505 August 516 September 488 October 467 November 554
8 M
7(b) Explain briefly ABC analysis and VED analysis used in Industries.
8 M

8(a) Annual demand for an item is 5400 units, ordering cost is Rs. 600 per order, inventory carrying cost is 12% of average inventory. Determine order size.
 Lot size Unit Price(RS) 0-2300 12 2400-2999 10 3000 and above 8
8 M
8(b) What is demand forecasting? Explain Moving Average Method for demand forecasting.
8 M

Solve any one question from Q.9(a,b) & Q.10(a,b)
9(a) In a comapany for one product assembly line requires 7 different tasks. Precedence information and task time is given below. If cycle time is 7 minutes find the minimum number of stations. Also calculate the line efficiency and smoothness index.
 Task, t Task time, t Precedence 1 3 None 2 4 1 3 1 1 4 4 1 5 3 2 6 1 3 and 4 7 2 5 and 6
9 M
9(b) Write short note on:
i) Selection criterion for material handling.
ii) Supply chain network.
8 M

10(a) Define plant location and plant layout. What are various factors involved in selection of site for good plant.
9 M
10(b) Write short note on
i) Material flow patterns
ii) Line balancing
8 M

Solve any one question from Q.11(a,b) & Q.12(a,b)
11(a) Write short note on Depreciation and causes for depreciation.
8 M
11(b) A Company has given following information
 Data Rs. Sales 1,50,000/- Variable  Overheads 1,20,000/- Gross  Profit 60,000/- Fixed  Overheads 20,000/- Net Profit 40,000/-

Determine- i) P/V ratio
ii) BEP
iii) Net profit when sales are Rs. 4,00,000/-
9 M

12(a) What is importance of standard costing? Explain different element of costs.
8 M
12(b) A factory producing only one item which it sells for Rs.12.50 per unit has fixed cost Rs.60,000 and variable cost Rs. 7.50 per unit. Find out
i) No. of units to be produced to break even
ii) No. of units to be produced to earn profit Rs. 12,000/-
iii) The profit if 25,000 units are produced and sold.
9 M

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