a) What is efficiency? Give an example. b) Define Design and Effective capacity and give an example in each case. c) Explain why doubling the capacity of a bottleneck may not double the system capacity? d) Use a diagram to explain the concept of Throughput time and Bottleneck. e) What are the techniques available to operations managers to deal with a bottleneck operation? QUESTION 3: a) Material delay have routinely limited production of household appliances to 4000 per day. If the plan efficiency is 85%, what is the effective capacity? b) Can Utilization be calculated with the above data? Justify your answer. QUESTION 4: a) A drive-through restaurant can serve 20 cars per hour. The effective capacity and efficiency of this drive-through is known to be 15 and 0.9 respectively. What is the minimum number of drive-through needed to achieve an anticipated servicing of 500 cars per 9-hour a day? b) A production line has three stations and the first station can process a unit in 10 minutes. The second station has two identical machines, each of which can process a unit in 12 minutes. The third station can process a unit in 8 minutes. What is the hourly capacity of this production line?