Definitions / terms / explanations / short questions based on concepts of theory/practical
[14 marks]Critical Path
[ marks]Economic Order Quantity
[ marks]Line Balancing
[ marks]Six Sigma
[ marks]Fixed Position Layout
[ marks]Just in Time
[ marks]Robust Design
[ marks]What is Plant layout? List the various types of Plant layout. Differentiate product layout and process layout.
[7 marks]Define various types of manufacturing system. Explain continuous production system with merits and demerits of it.
[7 marks]Seven jobs are performed first on machine Aand then on machine B. The time taken (in hours) by each machine is given below : Job 1 2 3 4 5 6 Time on m/c A 5 3 2 10 12 6 Time on m/c B 3 2 5 11 10 7 Determine optimum sequence of jobs that minimize total elapsed time to complete the jobs. Also complete minimum time
[3 marks]Discuss the basic strategies of aggregate planning.
[7 marks]Annual demand of a chemical is 40000 kg. The factory works for 50 weeks for a year. Ordering cost is Rs 800 per order. Price of chemical is Rs 10 per kg. Inventory carrying cost is 10% of price. Find out EOQ. The company’s lead time purchasing is 3 weeks. Company has decided safety stock as 10% of EOQ. Find out safety stock, re- order level, minimum level and maximum level.
[7 marks]Page 1 of
[3 marks]Explain various rules of sequencing.
[7 marks]Amilk plant distributes its products by trucks loaded at the loading dock. The data available is: Average arrival rate of trucks at the dock = 3 per hour Average loading of truck = 4 per hour Find
[7 marks]The probability that truck has to wait as the loading is busy
[ marks]The waiting line of the truck before being loaded
What is Quality? Explain various dimensions of quality.
[7 marks]The metropolitan transit system uses the number of complaint per day as a measure of service quality. For 10 days, the numbers of complaints were as following. No of Days 1 2 3 4 5 6 7 8 9 No of 4 8 2 0 3 9 10 0 6 Complaints Find the control limits of Cchart taking 3 standard deviation as confidence level. Construction of chart is not required.
[4 marks]Short Note : Industrial Safety
[7 marks]From the following 1) Draw network diagram and find out critical path. 2) Calculate EST, LST, EFT, LFT. Activity Predecessor Duration A - B - C - D A E B F B G C H D I E J G, F K H, I
[3 marks]Acompany use a special bracket in the manufacturing of its product from outside supplier. Demand is 2000 brackets per year. Ordering cost is Rs 20 per order, inventory carrying cost is 20% of bracket price and the price of bracket is Rs 10. The following discount is offered by company: 2% discount if order quantity is 400 – 799 4% discount if order quantity is 800 – 1599 5% discount if order quantity 1600 and more Find best inventory policy.
[14 marks]Page 2 of
[3 marks]Aproject consists of seven activities as given below : Activity Optimistic Most likely Pessimistic Time Time Time 1-2 1 1 1-3 1 4 1-4 2 4 2-5 1 1 1 3-5 2 5 4-6 2 5 5-6 3 6 Draw the project network. What is expected duration of project? What is the probability that the project will be completed in weeks? Z : 0.5 0.67 1 1.33 P : 0.1915 0.2486 0.3413 0.4082 0.4772 Page 3 of
[3 marks]The average length for all the queues.
[ marks]