Output from the Gantt chart drawn for a machining process is shown here. Determine the makespan of the process.   Job Waiting Time (hr) Delivery Time (hr) 1 0 10 2 10 15 3 1 16

A time study analyst timed an assembly operation for 30 cycles, and then computed the average time per cycle, which was 18.75 minutes. The analyst assigned a performance rating of .96, and decided that an appropriate allowance was 15 percent. Assume the allowance factor is based on the workday. Determine the following: the observed time (OT), the normal time (NT), and the standard time (ST).

A customer service department has the following resolution response time data:                            Average Response Time First contact                     0.25 hr. Service scheduling          0.50 hr. Wait for service             24.00 hrs. Service                            1.50 hrs. Total resolution time     26.25 hrs.   What is the value-added ratio (rounded to one decimal place) in this process?   a. 8.6%   b. 91.4%   c. 5.7%   d. 28.6%

The following on-boarding process for new employees has two stages. In the first, employees fill out several government forms and necessary visas for immigration. In the second the employees attend human resources training sessions to instruct them in company policies. Each stage has 9 workers. There are three types of new employees: (1) U.S. citizens starting a full-time job, (2) U.S. citizens starting a part-time job, and (3) Non-U.S. citizens starting a full-time job. Forms/Visa 9 workers HR training 9 workers US Full-time US Part-time Non-US Full-time Processing times and demands for each type of new employee are given in this table: US. full time →US. part time Non-US. full time Processing time (min) Forms/Visa HR Training 30 15 90 45 10 35 Demand (employees per hr) 6 7 3